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Overview
Comment: | Update the built-in SQLite to the latest 3.32.0 alpha that includes fixes for the DBCONFIG_MAINDBNAME problem. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
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SHA3-256: |
8d114c2aff3a24183204bc92024b8033 |
User & Date: | drh 2020-03-22 14:29:25.731 |
Context
2020-03-22
| ||
15:02 | Add the "raw" query parameter to the /tkthistory page. ... (check-in: 4c9e24fd user: drh tags: trunk) | |
14:29 | Update the built-in SQLite to the latest 3.32.0 alpha that includes fixes for the DBCONFIG_MAINDBNAME problem. ... (check-in: 8d114c2a user: drh tags: trunk) | |
2020-03-21
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19:57 | Assorted improvements to www/globs.md, mainly to clarity and grammar. ... (check-in: 7898593d user: wyoung tags: trunk) | |
Changes
Changes to src/shell.c.
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411 412 413 414 415 416 417 418 419 420 421 422 423 424 | static sqlite3 *globalDb = 0; /* ** True if an interrupt (Control-C) has been received. */ static volatile int seenInterrupt = 0; /* ** This is the name of our program. It is set in main(), used ** in a number of other places, mostly for error messages. */ static char *Argv0; /* | > > > > > > > > > | 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 | static sqlite3 *globalDb = 0; /* ** True if an interrupt (Control-C) has been received. */ static volatile int seenInterrupt = 0; #ifdef SQLITE_DEBUG /* ** Out-of-memory simulator variables */ static unsigned int oomCounter = 0; /* Simulate OOM when equals 1 */ static unsigned int oomRepeat = 0; /* Number of OOMs in a row */ static void*(*defaultMalloc)(int) = 0; /* The low-level malloc routine */ #endif /* SQLITE_DEBUG */ /* ** This is the name of our program. It is set in main(), used ** in a number of other places, mostly for error messages. */ static char *Argv0; /* |
︙ | ︙ | |||
461 462 463 464 465 466 467 468 469 470 471 472 473 474 | #endif /* Indicate out-of-memory and exit. */ static void shell_out_of_memory(void){ raw_printf(stderr,"Error: out of memory\n"); exit(1); } /* ** Write I/O traces to the following stream. */ #ifdef SQLITE_ENABLE_IOTRACE static FILE *iotrace = 0; #endif | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 | #endif /* Indicate out-of-memory and exit. */ static void shell_out_of_memory(void){ raw_printf(stderr,"Error: out of memory\n"); exit(1); } #ifdef SQLITE_DEBUG /* This routine is called when a simulated OOM occurs. It is broken ** out as a separate routine to make it easy to set a breakpoint on ** the OOM */ void shellOomFault(void){ if( oomRepeat>0 ){ oomRepeat--; }else{ oomCounter--; } } #endif /* SQLITE_DEBUG */ #ifdef SQLITE_DEBUG /* This routine is a replacement malloc() that is used to simulate ** Out-Of-Memory (OOM) errors for testing purposes. */ static void *oomMalloc(int nByte){ if( oomCounter ){ if( oomCounter==1 ){ shellOomFault(); return 0; }else{ oomCounter--; } } return defaultMalloc(nByte); } #endif /* SQLITE_DEBUG */ #ifdef SQLITE_DEBUG /* Register the OOM simulator. This must occur before any memory ** allocations */ static void registerOomSimulator(void){ sqlite3_mem_methods mem; sqlite3_config(SQLITE_CONFIG_GETMALLOC, &mem); defaultMalloc = mem.xMalloc; mem.xMalloc = oomMalloc; sqlite3_config(SQLITE_CONFIG_MALLOC, &mem); } #endif /* ** Write I/O traces to the following stream. */ #ifdef SQLITE_ENABLE_IOTRACE static FILE *iotrace = 0; #endif |
︙ | ︙ | |||
12084 12085 12086 12087 12088 12089 12090 12091 12092 12093 12094 12095 12096 12097 | ".explain ?on|off|auto? Change the EXPLAIN formatting mode. Default: auto", ".filectrl CMD ... Run various sqlite3_file_control() operations", " Run \".filectrl\" with no arguments for details", ".fullschema ?--indent? Show schema and the content of sqlite_stat tables", ".headers on|off Turn display of headers on or off", ".help ?-all? ?PATTERN? Show help text for PATTERN", ".import FILE TABLE Import data from FILE into TABLE", #ifndef SQLITE_OMIT_TEST_CONTROL ".imposter INDEX TABLE Create imposter table TABLE on index INDEX", #endif ".indexes ?TABLE? Show names of indexes", " If TABLE is specified, only show indexes for", " tables matching TABLE using the LIKE operator.", #ifdef SQLITE_ENABLE_IOTRACE | > > > > > > > > > > > > | 12136 12137 12138 12139 12140 12141 12142 12143 12144 12145 12146 12147 12148 12149 12150 12151 12152 12153 12154 12155 12156 12157 12158 12159 12160 12161 | ".explain ?on|off|auto? Change the EXPLAIN formatting mode. Default: auto", ".filectrl CMD ... Run various sqlite3_file_control() operations", " Run \".filectrl\" with no arguments for details", ".fullschema ?--indent? Show schema and the content of sqlite_stat tables", ".headers on|off Turn display of headers on or off", ".help ?-all? ?PATTERN? Show help text for PATTERN", ".import FILE TABLE Import data from FILE into TABLE", " Options:", " --ascii Use \\037 and \\036 as column and row separators", " --csv Use , and \\n as column and row separators", " --skip N Skip the first N rows of input", " -v \"Verbose\" - increase auxiliary output", " Notes:", " * If TABLE does not exist, it is created. The first row of input", " determines the column names.", " * If neither --csv or --ascii are used, the input mode is derived", " from the \".mode\" output mode", " * If FILE begins with \"|\" then it is a command that generates the", " input text.", #ifndef SQLITE_OMIT_TEST_CONTROL ".imposter INDEX TABLE Create imposter table TABLE on index INDEX", #endif ".indexes ?TABLE? Show names of indexes", " If TABLE is specified, only show indexes for", " tables matching TABLE using the LIKE operator.", #ifdef SQLITE_ENABLE_IOTRACE |
︙ | ︙ | |||
12119 12120 12121 12122 12123 12124 12125 12126 12127 12128 12129 12130 12131 12132 | " tcl TCL list elements", ".nullvalue STRING Use STRING in place of NULL values", ".once (-e|-x|FILE) Output for the next SQL command only to FILE", " If FILE begins with '|' then open as a pipe", " Other options:", " -e Invoke system text editor", " -x Open in a spreadsheet", ".open ?OPTIONS? ?FILE? Close existing database and reopen FILE", " Options:", " --append Use appendvfs to append database to the end of FILE", #ifdef SQLITE_ENABLE_DESERIALIZE " --deserialize Load into memory useing sqlite3_deserialize()", " --hexdb Load the output of \"dbtotxt\" as an in-memory db", " --maxsize N Maximum size for --hexdb or --deserialized database", | > > > | 12183 12184 12185 12186 12187 12188 12189 12190 12191 12192 12193 12194 12195 12196 12197 12198 12199 | " tcl TCL list elements", ".nullvalue STRING Use STRING in place of NULL values", ".once (-e|-x|FILE) Output for the next SQL command only to FILE", " If FILE begins with '|' then open as a pipe", " Other options:", " -e Invoke system text editor", " -x Open in a spreadsheet", #ifdef SQLITE_DEBUG ".oom [--repeat M] [N] Simulate an OOM error on the N-th allocation", #endif ".open ?OPTIONS? ?FILE? Close existing database and reopen FILE", " Options:", " --append Use appendvfs to append database to the end of FILE", #ifdef SQLITE_ENABLE_DESERIALIZE " --deserialize Load into memory useing sqlite3_deserialize()", " --hexdb Load the output of \"dbtotxt\" as an in-memory db", " --maxsize N Maximum size for --hexdb or --deserialized database", |
︙ | ︙ | |||
13069 13070 13071 13072 13073 13074 13075 13076 13077 13078 13079 13080 13081 13082 | struct ImportCtx { const char *zFile; /* Name of the input file */ FILE *in; /* Read the CSV text from this input stream */ char *z; /* Accumulated text for a field */ int n; /* Number of bytes in z */ int nAlloc; /* Space allocated for z[] */ int nLine; /* Current line number */ int bNotFirst; /* True if one or more bytes already read */ int cTerm; /* Character that terminated the most recent field */ int cColSep; /* The column separator character. (Usually ",") */ int cRowSep; /* The row separator character. (Usually "\n") */ }; /* Append a single byte to z[] */ | > > | 13136 13137 13138 13139 13140 13141 13142 13143 13144 13145 13146 13147 13148 13149 13150 13151 | struct ImportCtx { const char *zFile; /* Name of the input file */ FILE *in; /* Read the CSV text from this input stream */ char *z; /* Accumulated text for a field */ int n; /* Number of bytes in z */ int nAlloc; /* Space allocated for z[] */ int nLine; /* Current line number */ int nRow; /* Number of rows imported */ int nErr; /* Number of errors encountered */ int bNotFirst; /* True if one or more bytes already read */ int cTerm; /* Character that terminated the most recent field */ int cColSep; /* The column separator character. (Usually ",") */ int cRowSep; /* The row separator character. (Usually "\n") */ }; /* Append a single byte to z[] */ |
︙ | ︙ | |||
16129 16130 16131 16132 16133 16134 16135 | } }else{ showHelp(p->out, 0); } }else if( c=='i' && strncmp(azArg[0], "import", n)==0 ){ | | | | | | < | < < < > > | > > > | > > | > > > > | | | > | | > > > > > > > > > > > > > > | | > > > > > > > > | > > > > > > > > > > > > > > > > > > > > | | > | | > | | | | | | | | | | | | | > > > > | > < < < < < | > > > > | > > > | > > > > > > > | 16198 16199 16200 16201 16202 16203 16204 16205 16206 16207 16208 16209 16210 16211 16212 16213 16214 16215 16216 16217 16218 16219 16220 16221 16222 16223 16224 16225 16226 16227 16228 16229 16230 16231 16232 16233 16234 16235 16236 16237 16238 16239 16240 16241 16242 16243 16244 16245 16246 16247 16248 16249 16250 16251 16252 16253 16254 16255 16256 16257 16258 16259 16260 16261 16262 16263 16264 16265 16266 16267 16268 16269 16270 16271 16272 16273 16274 16275 16276 16277 16278 16279 16280 16281 16282 16283 16284 16285 16286 16287 16288 16289 16290 16291 16292 16293 16294 16295 16296 16297 16298 16299 16300 16301 16302 16303 16304 16305 16306 16307 16308 16309 16310 16311 16312 16313 16314 16315 16316 16317 16318 16319 16320 16321 16322 16323 16324 16325 16326 16327 16328 16329 16330 16331 16332 16333 16334 16335 16336 16337 16338 16339 16340 16341 16342 16343 16344 16345 16346 16347 16348 16349 16350 16351 16352 16353 16354 | } }else{ showHelp(p->out, 0); } }else if( c=='i' && strncmp(azArg[0], "import", n)==0 ){ char *zTable = 0; /* Insert data into this table */ char *zFile = 0; /* Name of file to extra content from */ sqlite3_stmt *pStmt = NULL; /* A statement */ int nCol; /* Number of columns in the table */ int nByte; /* Number of bytes in an SQL string */ int i, j; /* Loop counters */ int needCommit; /* True to COMMIT or ROLLBACK at end */ int nSep; /* Number of bytes in p->colSeparator[] */ char *zSql; /* An SQL statement */ ImportCtx sCtx; /* Reader context */ char *(SQLITE_CDECL *xRead)(ImportCtx*); /* Func to read one value */ int (SQLITE_CDECL *xCloser)(FILE*); /* Func to close file */ int eVerbose = 0; /* Larger for more console output */ int nSkip = 0; /* Initial lines to skip */ int useOutputMode = 1; /* Use output mode to determine separators */ memset(&sCtx, 0, sizeof(sCtx)); if( p->mode==MODE_Ascii ){ xRead = ascii_read_one_field; }else{ xRead = csv_read_one_field; } for(i=1; i<nArg; i++){ char *z = azArg[i]; if( z[0]=='-' && z[1]=='-' ) z++; if( z[0]!='-' ){ if( zFile==0 ){ zFile = z; }else if( zTable==0 ){ zTable = z; }else{ utf8_printf(p->out, "ERROR: extra argument: \"%s\". Usage:\n", z); showHelp(p->out, "import"); rc = 1; goto meta_command_exit; } }else if( strcmp(z,"-v")==0 ){ eVerbose++; }else if( strcmp(z,"-skip")==0 && i<nArg-1 ){ nSkip = integerValue(azArg[++i]); }else if( strcmp(z,"-ascii")==0 ){ sCtx.cColSep = SEP_Unit[0]; sCtx.cRowSep = SEP_Record[0]; xRead = ascii_read_one_field; useOutputMode = 0; }else if( strcmp(z,"-csv")==0 ){ sCtx.cColSep = ','; sCtx.cRowSep = '\n'; xRead = csv_read_one_field; useOutputMode = 0; }else{ utf8_printf(p->out, "ERROR: unknown option: \"%s\". Usage:\n", z); showHelp(p->out, "import"); rc = 1; goto meta_command_exit; } } if( zTable==0 ){ utf8_printf(p->out, "ERROR: missing %s argument. Usage:\n", zFile==0 ? "FILE" : "TABLE"); showHelp(p->out, "import"); rc = 1; goto meta_command_exit; } seenInterrupt = 0; open_db(p, 0); if( useOutputMode ){ /* If neither the --csv or --ascii options are specified, then set ** the column and row separator characters from the output mode. */ nSep = strlen30(p->colSeparator); if( nSep==0 ){ raw_printf(stderr, "Error: non-null column separator required for import\n"); rc = 1; goto meta_command_exit; } if( nSep>1 ){ raw_printf(stderr, "Error: multi-character column separators not allowed" " for import\n"); rc = 1; goto meta_command_exit; } nSep = strlen30(p->rowSeparator); if( nSep==0 ){ raw_printf(stderr, "Error: non-null row separator required for import\n"); rc = 1; goto meta_command_exit; } if( nSep==2 && p->mode==MODE_Csv && strcmp(p->rowSeparator,SEP_CrLf)==0 ){ /* When importing CSV (only), if the row separator is set to the ** default output row separator, change it to the default input ** row separator. This avoids having to maintain different input ** and output row separators. */ sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row); nSep = strlen30(p->rowSeparator); } if( nSep>1 ){ raw_printf(stderr, "Error: multi-character row separators not allowed" " for import\n"); rc = 1; goto meta_command_exit; } sCtx.cColSep = p->colSeparator[0]; sCtx.cRowSep = p->rowSeparator[0]; } sCtx.zFile = zFile; sCtx.nLine = 1; if( sCtx.zFile[0]=='|' ){ #ifdef SQLITE_OMIT_POPEN raw_printf(stderr, "Error: pipes are not supported in this OS\n"); rc = 1; goto meta_command_exit; #else sCtx.in = popen(sCtx.zFile+1, "r"); sCtx.zFile = "<pipe>"; xCloser = pclose; #endif }else{ sCtx.in = fopen(sCtx.zFile, "rb"); xCloser = fclose; } if( sCtx.in==0 ){ utf8_printf(stderr, "Error: cannot open \"%s\"\n", zFile); rc = 1; goto meta_command_exit; } if( eVerbose>=2 || (eVerbose>=1 && useOutputMode) ){ char zSep[2]; zSep[1] = 0; zSep[0] = sCtx.cColSep; utf8_printf(p->out, "Column separator "); output_c_string(p->out, zSep); utf8_printf(p->out, ", row separator "); zSep[0] = sCtx.cRowSep; output_c_string(p->out, zSep); utf8_printf(p->out, "\n"); } while( (nSkip--)>0 ){ while( xRead(&sCtx) && sCtx.cTerm==sCtx.cColSep ){} sCtx.nLine++; } zSql = sqlite3_mprintf("SELECT * FROM %s", zTable); if( zSql==0 ){ xCloser(sCtx.in); shell_out_of_memory(); } nByte = strlen30(zSql); rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); |
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16227 16228 16229 16230 16231 16232 16233 | if( sCtx.cTerm!=sCtx.cColSep ) break; } if( cSep=='(' ){ sqlite3_free(zCreate); sqlite3_free(sCtx.z); xCloser(sCtx.in); utf8_printf(stderr,"%s: empty file\n", sCtx.zFile); | | > > > > | > | > > > > | > | 16362 16363 16364 16365 16366 16367 16368 16369 16370 16371 16372 16373 16374 16375 16376 16377 16378 16379 16380 16381 16382 16383 16384 16385 16386 16387 16388 16389 16390 16391 16392 16393 16394 16395 16396 16397 16398 16399 16400 16401 16402 16403 16404 16405 16406 16407 16408 16409 16410 16411 16412 16413 16414 16415 16416 16417 16418 16419 16420 16421 16422 16423 16424 16425 16426 16427 16428 16429 16430 | if( sCtx.cTerm!=sCtx.cColSep ) break; } if( cSep=='(' ){ sqlite3_free(zCreate); sqlite3_free(sCtx.z); xCloser(sCtx.in); utf8_printf(stderr,"%s: empty file\n", sCtx.zFile); rc = 1; goto meta_command_exit; } zCreate = sqlite3_mprintf("%z\n)", zCreate); if( eVerbose>=1 ){ utf8_printf(p->out, "%s\n", zCreate); } rc = sqlite3_exec(p->db, zCreate, 0, 0, 0); sqlite3_free(zCreate); if( rc ){ utf8_printf(stderr, "CREATE TABLE %s(...) failed: %s\n", zTable, sqlite3_errmsg(p->db)); sqlite3_free(sCtx.z); xCloser(sCtx.in); rc = 1; goto meta_command_exit; } rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); } sqlite3_free(zSql); if( rc ){ if (pStmt) sqlite3_finalize(pStmt); utf8_printf(stderr,"Error: %s\n", sqlite3_errmsg(p->db)); xCloser(sCtx.in); rc = 1; goto meta_command_exit; } nCol = sqlite3_column_count(pStmt); sqlite3_finalize(pStmt); pStmt = 0; if( nCol==0 ) return 0; /* no columns, no error */ zSql = sqlite3_malloc64( nByte*2 + 20 + nCol*2 ); if( zSql==0 ){ xCloser(sCtx.in); shell_out_of_memory(); } sqlite3_snprintf(nByte+20, zSql, "INSERT INTO \"%w\" VALUES(?", zTable); j = strlen30(zSql); for(i=1; i<nCol; i++){ zSql[j++] = ','; zSql[j++] = '?'; } zSql[j++] = ')'; zSql[j] = 0; if( eVerbose>=2 ){ utf8_printf(p->out, "Insert using: %s\n", zSql); } rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0); sqlite3_free(zSql); if( rc ){ utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db)); if (pStmt) sqlite3_finalize(pStmt); xCloser(sCtx.in); rc = 1; goto meta_command_exit; } needCommit = sqlite3_get_autocommit(p->db); if( needCommit ) sqlite3_exec(p->db, "BEGIN", 0, 0, 0); do{ int startLine = sCtx.nLine; for(i=0; i<nCol; i++){ char *z = xRead(&sCtx); |
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16314 16315 16316 16317 16318 16319 16320 16321 16322 16323 16324 16325 16326 16327 16328 16329 16330 16331 16332 16333 16334 16335 | } if( i>=nCol ){ sqlite3_step(pStmt); rc = sqlite3_reset(pStmt); if( rc!=SQLITE_OK ){ utf8_printf(stderr, "%s:%d: INSERT failed: %s\n", sCtx.zFile, startLine, sqlite3_errmsg(p->db)); } } }while( sCtx.cTerm!=EOF ); xCloser(sCtx.in); sqlite3_free(sCtx.z); sqlite3_finalize(pStmt); if( needCommit ) sqlite3_exec(p->db, "COMMIT", 0, 0, 0); }else #ifndef SQLITE_UNTESTABLE if( c=='i' && strncmp(azArg[0], "imposter", n)==0 ){ char *zSql; char *zCollist = 0; sqlite3_stmt *pStmt; | > > > > > > > > | 16459 16460 16461 16462 16463 16464 16465 16466 16467 16468 16469 16470 16471 16472 16473 16474 16475 16476 16477 16478 16479 16480 16481 16482 16483 16484 16485 16486 16487 16488 | } if( i>=nCol ){ sqlite3_step(pStmt); rc = sqlite3_reset(pStmt); if( rc!=SQLITE_OK ){ utf8_printf(stderr, "%s:%d: INSERT failed: %s\n", sCtx.zFile, startLine, sqlite3_errmsg(p->db)); sCtx.nErr++; }else{ sCtx.nRow++; } } }while( sCtx.cTerm!=EOF ); xCloser(sCtx.in); sqlite3_free(sCtx.z); sqlite3_finalize(pStmt); if( needCommit ) sqlite3_exec(p->db, "COMMIT", 0, 0, 0); if( eVerbose>0 ){ utf8_printf(p->out, "Added %d rows with %d errors using %d lines of input\n", sCtx.nRow, sCtx.nErr, sCtx.nLine-1); } }else #ifndef SQLITE_UNTESTABLE if( c=='i' && strncmp(azArg[0], "imposter", n)==0 ){ char *zSql; char *zCollist = 0; sqlite3_stmt *pStmt; |
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16600 16601 16602 16603 16604 16605 16606 16607 16608 16609 16610 16611 16612 16613 | "%.*s", (int)ArraySize(p->nullValue)-1, azArg[1]); }else{ raw_printf(stderr, "Usage: .nullvalue STRING\n"); rc = 1; } }else if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){ char *zNewFilename; /* Name of the database file to open */ int iName = 1; /* Index in azArg[] of the filename */ int newFlag = 0; /* True to delete file before opening */ /* Close the existing database */ session_close_all(p); close_db(p->db); | > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 16753 16754 16755 16756 16757 16758 16759 16760 16761 16762 16763 16764 16765 16766 16767 16768 16769 16770 16771 16772 16773 16774 16775 16776 16777 16778 16779 16780 16781 16782 16783 16784 16785 16786 16787 16788 16789 16790 16791 16792 16793 16794 | "%.*s", (int)ArraySize(p->nullValue)-1, azArg[1]); }else{ raw_printf(stderr, "Usage: .nullvalue STRING\n"); rc = 1; } }else #ifdef SQLITE_DEBUG if( c=='o' && strcmp(azArg[0],"oom")==0 ){ int i; for(i=1; i<nArg; i++){ const char *z = azArg[i]; if( z[0]=='-' && z[1]=='-' ) z++; if( strcmp(z,"-repeat")==0 ){ if( i==nArg-1 ){ raw_printf(p->out, "missing argument on \"%s\"\n", azArg[i]); rc = 1; }else{ oomRepeat = (int)integerValue(azArg[++i]); } }else if( IsDigit(z[0]) ){ oomCounter = (int)integerValue(azArg[i]); }else{ raw_printf(p->out, "unknown argument: \"%s\"\n", azArg[i]); raw_printf(p->out, "Usage: .oom [--repeat N] [M]\n"); rc = 1; } } if( rc==0 ){ raw_printf(p->out, "oomCounter = %d\n", oomCounter); raw_printf(p->out, "oomRepeat = %d\n", oomRepeat); } }else #endif /* SQLITE_DEBUG */ if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){ char *zNewFilename; /* Name of the database file to open */ int iName = 1; /* Index in azArg[] of the filename */ int newFlag = 0; /* True to delete file before opening */ /* Close the existing database */ session_close_all(p); close_db(p->db); |
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18682 18683 18684 18685 18686 18687 18688 18689 18690 18691 18692 18693 18694 18695 | int argcToFree = 0; #endif setBinaryMode(stdin, 0); setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */ stdin_is_interactive = isatty(0); stdout_is_console = isatty(1); #if !defined(_WIN32_WCE) if( getenv("SQLITE_DEBUG_BREAK") ){ if( isatty(0) && isatty(2) ){ fprintf(stderr, "attach debugger to process %d and press any key to continue.\n", GETPID()); | > > > > | 18863 18864 18865 18866 18867 18868 18869 18870 18871 18872 18873 18874 18875 18876 18877 18878 18879 18880 | int argcToFree = 0; #endif setBinaryMode(stdin, 0); setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */ stdin_is_interactive = isatty(0); stdout_is_console = isatty(1); #ifdef SQLITE_DEBUG registerOomSimulator(); #endif #if !defined(_WIN32_WCE) if( getenv("SQLITE_DEBUG_BREAK") ){ if( isatty(0) && isatty(2) ){ fprintf(stderr, "attach debugger to process %d and press any key to continue.\n", GETPID()); |
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Changes to src/sqlite3.c.
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1160 1161 1162 1163 1164 1165 1166 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.32.0" #define SQLITE_VERSION_NUMBER 3032000 | | | 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.32.0" #define SQLITE_VERSION_NUMBER 3032000 #define SQLITE_SOURCE_ID "2020-03-21 23:10:38 5d14a1c4f2fc17de98ad685ad1422cdfda89dfccb00afcaf32ee416b6f84f525" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version sqlite3_sourceid ** ** These interfaces provide the same information as the [SQLITE_VERSION], ** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros |
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16537 16538 16539 16540 16541 16542 16543 | ** ** DB_UnresetViews means that one or more views have column names that ** have been filled out. If the schema changes, these column names might ** changes and so the view will need to be reset. */ #define DB_SchemaLoaded 0x0001 /* The schema has been loaded */ #define DB_UnresetViews 0x0002 /* Some views have defined column names */ | < | 16537 16538 16539 16540 16541 16542 16543 16544 16545 16546 16547 16548 16549 16550 | ** ** DB_UnresetViews means that one or more views have column names that ** have been filled out. If the schema changes, these column names might ** changes and so the view will need to be reset. */ #define DB_SchemaLoaded 0x0001 /* The schema has been loaded */ #define DB_UnresetViews 0x0002 /* Some views have defined column names */ #define DB_ResetWanted 0x0008 /* Reset the schema when nSchemaLock==0 */ /* ** The number of different kinds of things that can be limited ** using the sqlite3_limit() interface. */ #define SQLITE_N_LIMIT (SQLITE_LIMIT_WORKER_THREADS+1) |
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16695 16696 16697 16698 16699 16700 16701 | /* ** Each database connection is an instance of the following structure. */ struct sqlite3 { sqlite3_vfs *pVfs; /* OS Interface */ struct Vdbe *pVdbe; /* List of active virtual machines */ | | | 16694 16695 16696 16697 16698 16699 16700 16701 16702 16703 16704 16705 16706 16707 16708 | /* ** Each database connection is an instance of the following structure. */ struct sqlite3 { sqlite3_vfs *pVfs; /* OS Interface */ struct Vdbe *pVdbe; /* List of active virtual machines */ CollSeq *pDfltColl; /* BINARY collseq for the database encoding */ sqlite3_mutex *mutex; /* Connection mutex */ Db *aDb; /* All backends */ int nDb; /* Number of backends currently in use */ u32 mDbFlags; /* flags recording internal state */ u64 flags; /* flags settable by pragmas. See below */ i64 lastRowid; /* ROWID of most recent insert (see above) */ i64 szMmap; /* Default mmap_size setting */ |
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16904 16905 16906 16907 16908 16909 16910 16911 16912 16913 16914 16915 16916 16917 | */ #define DBFLAG_SchemaChange 0x0001 /* Uncommitted Hash table changes */ #define DBFLAG_PreferBuiltin 0x0002 /* Preference to built-in funcs */ #define DBFLAG_Vacuum 0x0004 /* Currently in a VACUUM */ #define DBFLAG_VacuumInto 0x0008 /* Currently running VACUUM INTO */ #define DBFLAG_SchemaKnownOk 0x0010 /* Schema is known to be valid */ #define DBFLAG_InternalFunc 0x0020 /* Allow use of internal functions */ /* ** Bits of the sqlite3.dbOptFlags field that are used by the ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ #define SQLITE_QueryFlattener 0x0001 /* Query flattening */ | > | 16903 16904 16905 16906 16907 16908 16909 16910 16911 16912 16913 16914 16915 16916 16917 | */ #define DBFLAG_SchemaChange 0x0001 /* Uncommitted Hash table changes */ #define DBFLAG_PreferBuiltin 0x0002 /* Preference to built-in funcs */ #define DBFLAG_Vacuum 0x0004 /* Currently in a VACUUM */ #define DBFLAG_VacuumInto 0x0008 /* Currently running VACUUM INTO */ #define DBFLAG_SchemaKnownOk 0x0010 /* Schema is known to be valid */ #define DBFLAG_InternalFunc 0x0020 /* Allow use of internal functions */ #define DBFLAG_EncodingFixed 0x0040 /* No longer possible to change enc. */ /* ** Bits of the sqlite3.dbOptFlags field that are used by the ** sqlite3_test_control(SQLITE_TESTCTRL_OPTIMIZATIONS,...) interface to ** selectively disable various optimizations. */ #define SQLITE_QueryFlattener 0x0001 /* Query flattening */ |
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17867 17868 17869 17870 17871 17872 17873 17874 17875 17876 17877 17878 17879 17880 | struct Expr { u8 op; /* Operation performed by this node */ char affExpr; /* affinity, or RAISE type */ u8 op2; /* TK_REGISTER/TK_TRUTH: original value of Expr.op ** TK_COLUMN: the value of p5 for OP_Column ** TK_AGG_FUNCTION: nesting depth ** TK_FUNCTION: NC_SelfRef flag if needs OP_PureFunc */ u32 flags; /* Various flags. EP_* See below */ union { char *zToken; /* Token value. Zero terminated and dequoted */ int iValue; /* Non-negative integer value if EP_IntValue */ } u; /* If the EP_TokenOnly flag is set in the Expr.flags mask, then no | > > > | 17867 17868 17869 17870 17871 17872 17873 17874 17875 17876 17877 17878 17879 17880 17881 17882 17883 | struct Expr { u8 op; /* Operation performed by this node */ char affExpr; /* affinity, or RAISE type */ u8 op2; /* TK_REGISTER/TK_TRUTH: original value of Expr.op ** TK_COLUMN: the value of p5 for OP_Column ** TK_AGG_FUNCTION: nesting depth ** TK_FUNCTION: NC_SelfRef flag if needs OP_PureFunc */ #ifdef SQLITE_DEBUG u8 vvaFlags; /* Verification flags. */ #endif u32 flags; /* Various flags. EP_* See below */ union { char *zToken; /* Token value. Zero terminated and dequoted */ int iValue; /* Non-negative integer value if EP_IntValue */ } u; /* If the EP_TokenOnly flag is set in the Expr.flags mask, then no |
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17941 17942 17943 17944 17945 17946 17947 | #define EP_IntValue 0x000400 /* Integer value contained in u.iValue */ #define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */ #define EP_Skip 0x001000 /* Operator does not contribute to affinity */ #define EP_Reduced 0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */ #define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */ #define EP_Win 0x008000 /* Contains window functions */ #define EP_MemToken 0x010000 /* Need to sqlite3DbFree() Expr.zToken */ | | > > > > > > > | > > > > | 17944 17945 17946 17947 17948 17949 17950 17951 17952 17953 17954 17955 17956 17957 17958 17959 17960 17961 17962 17963 17964 17965 17966 17967 17968 17969 17970 17971 17972 17973 17974 17975 17976 17977 17978 17979 17980 17981 17982 17983 17984 17985 17986 17987 17988 17989 17990 17991 17992 17993 17994 17995 17996 17997 17998 17999 18000 18001 18002 18003 18004 18005 18006 18007 18008 | #define EP_IntValue 0x000400 /* Integer value contained in u.iValue */ #define EP_xIsSelect 0x000800 /* x.pSelect is valid (otherwise x.pList is) */ #define EP_Skip 0x001000 /* Operator does not contribute to affinity */ #define EP_Reduced 0x002000 /* Expr struct EXPR_REDUCEDSIZE bytes only */ #define EP_TokenOnly 0x004000 /* Expr struct EXPR_TOKENONLYSIZE bytes only */ #define EP_Win 0x008000 /* Contains window functions */ #define EP_MemToken 0x010000 /* Need to sqlite3DbFree() Expr.zToken */ /* 0x020000 // available for reuse */ #define EP_Unlikely 0x040000 /* unlikely() or likelihood() function */ #define EP_ConstFunc 0x080000 /* A SQLITE_FUNC_CONSTANT or _SLOCHNG function */ #define EP_CanBeNull 0x100000 /* Can be null despite NOT NULL constraint */ #define EP_Subquery 0x200000 /* Tree contains a TK_SELECT operator */ #define EP_Alias 0x400000 /* Is an alias for a result set column */ #define EP_Leaf 0x800000 /* Expr.pLeft, .pRight, .u.pSelect all NULL */ #define EP_WinFunc 0x1000000 /* TK_FUNCTION with Expr.y.pWin set */ #define EP_Subrtn 0x2000000 /* Uses Expr.y.sub. TK_IN, _SELECT, or _EXISTS */ #define EP_Quoted 0x4000000 /* TK_ID was originally quoted */ #define EP_Static 0x8000000 /* Held in memory not obtained from malloc() */ #define EP_IsTrue 0x10000000 /* Always has boolean value of TRUE */ #define EP_IsFalse 0x20000000 /* Always has boolean value of FALSE */ #define EP_FromDDL 0x40000000 /* Originates from sqlite_master */ /* 0x80000000 // Available */ /* ** The EP_Propagate mask is a set of properties that automatically propagate ** upwards into parent nodes. */ #define EP_Propagate (EP_Collate|EP_Subquery|EP_HasFunc) /* ** These macros can be used to test, set, or clear bits in the ** Expr.flags field. */ #define ExprHasProperty(E,P) (((E)->flags&(P))!=0) #define ExprHasAllProperty(E,P) (((E)->flags&(P))==(P)) #define ExprSetProperty(E,P) (E)->flags|=(P) #define ExprClearProperty(E,P) (E)->flags&=~(P) #define ExprAlwaysTrue(E) (((E)->flags&(EP_FromJoin|EP_IsTrue))==EP_IsTrue) #define ExprAlwaysFalse(E) (((E)->flags&(EP_FromJoin|EP_IsFalse))==EP_IsFalse) /* Flags for use with Expr.vvaFlags */ #define EP_NoReduce 0x01 /* Cannot EXPRDUP_REDUCE this Expr */ #define EP_Immutable 0x02 /* Do not change this Expr node */ /* The ExprSetVVAProperty() macro is used for Verification, Validation, ** and Accreditation only. It works like ExprSetProperty() during VVA ** processes but is a no-op for delivery. */ #ifdef SQLITE_DEBUG # define ExprSetVVAProperty(E,P) (E)->vvaFlags|=(P) # define ExprHasVVAProperty(E,P) (((E)->vvaFlags&(P))!=0) # define ExprClearVVAProperties(E) (E)->vvaFlags = 0 #else # define ExprSetVVAProperty(E,P) # define ExprHasVVAProperty(E,P) 0 # define ExprClearVVAProperties(E) #endif /* ** Macros to determine the number of bytes required by a normal Expr ** struct, an Expr struct with the EP_Reduced flag set in Expr.flags ** and an Expr struct with the EP_TokenOnly flag set. */ |
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18954 18955 18956 18957 18958 18959 18960 18961 18962 18963 18964 18965 18966 18967 | struct IdxExprTrans *pIdxTrans; /* Convert idxed expr to column */ ExprList *pGroupBy; /* GROUP BY clause */ Select *pSelect; /* HAVING to WHERE clause ctx */ struct WindowRewrite *pRewrite; /* Window rewrite context */ struct WhereConst *pConst; /* WHERE clause constants */ struct RenameCtx *pRename; /* RENAME COLUMN context */ struct Table *pTab; /* Table of generated column */ } u; }; /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); | > | 18968 18969 18970 18971 18972 18973 18974 18975 18976 18977 18978 18979 18980 18981 18982 | struct IdxExprTrans *pIdxTrans; /* Convert idxed expr to column */ ExprList *pGroupBy; /* GROUP BY clause */ Select *pSelect; /* HAVING to WHERE clause ctx */ struct WindowRewrite *pRewrite; /* Window rewrite context */ struct WhereConst *pConst; /* WHERE clause constants */ struct RenameCtx *pRename; /* RENAME COLUMN context */ struct Table *pTab; /* Table of generated column */ struct SrcList_item *pSrcItem; /* A single FROM clause item */ } u; }; /* Forward declarations */ SQLITE_PRIVATE int sqlite3WalkExpr(Walker*, Expr*); SQLITE_PRIVATE int sqlite3WalkExprList(Walker*, ExprList*); SQLITE_PRIVATE int sqlite3WalkSelect(Walker*, Select*); |
︙ | ︙ | |||
19498 19499 19500 19501 19502 19503 19504 | SQLITE_PRIVATE void sqlite3ExprCodeMove(Parse*, int, int, int); SQLITE_PRIVATE void sqlite3ExprCode(Parse*, Expr*, int); #ifndef SQLITE_OMIT_GENERATED_COLUMNS SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn(Parse*, Column*, int); #endif SQLITE_PRIVATE void sqlite3ExprCodeCopy(Parse*, Expr*, int); SQLITE_PRIVATE void sqlite3ExprCodeFactorable(Parse*, Expr*, int); | | | 19513 19514 19515 19516 19517 19518 19519 19520 19521 19522 19523 19524 19525 19526 19527 | SQLITE_PRIVATE void sqlite3ExprCodeMove(Parse*, int, int, int); SQLITE_PRIVATE void sqlite3ExprCode(Parse*, Expr*, int); #ifndef SQLITE_OMIT_GENERATED_COLUMNS SQLITE_PRIVATE void sqlite3ExprCodeGeneratedColumn(Parse*, Column*, int); #endif SQLITE_PRIVATE void sqlite3ExprCodeCopy(Parse*, Expr*, int); SQLITE_PRIVATE void sqlite3ExprCodeFactorable(Parse*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCodeRunJustOnce(Parse*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCodeTemp(Parse*, Expr*, int*); SQLITE_PRIVATE int sqlite3ExprCodeTarget(Parse*, Expr*, int); SQLITE_PRIVATE int sqlite3ExprCodeExprList(Parse*, ExprList*, int, int, u8); #define SQLITE_ECEL_DUP 0x01 /* Deep, not shallow copies */ #define SQLITE_ECEL_FACTOR 0x02 /* Factor out constant terms */ #define SQLITE_ECEL_REF 0x04 /* Use ExprList.u.x.iOrderByCol */ #define SQLITE_ECEL_OMITREF 0x08 /* Omit if ExprList.u.x.iOrderByCol */ |
︙ | ︙ | |||
19653 19654 19655 19656 19657 19658 19659 19660 19661 19662 19663 19664 19665 19666 | SQLITE_PRIVATE int sqlite3AuthReadCol(Parse*, const char *, const char *, int); #else # define sqlite3AuthRead(a,b,c,d) # define sqlite3AuthCheck(a,b,c,d,e) SQLITE_OK # define sqlite3AuthContextPush(a,b,c) # define sqlite3AuthContextPop(a) ((void)(a)) #endif SQLITE_PRIVATE void sqlite3Attach(Parse*, Expr*, Expr*, Expr*); SQLITE_PRIVATE void sqlite3Detach(Parse*, Expr*); SQLITE_PRIVATE void sqlite3FixInit(DbFixer*, Parse*, int, const char*, const Token*); SQLITE_PRIVATE int sqlite3FixSrcList(DbFixer*, SrcList*); SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*); | > | 19668 19669 19670 19671 19672 19673 19674 19675 19676 19677 19678 19679 19680 19681 19682 | SQLITE_PRIVATE int sqlite3AuthReadCol(Parse*, const char *, const char *, int); #else # define sqlite3AuthRead(a,b,c,d) # define sqlite3AuthCheck(a,b,c,d,e) SQLITE_OK # define sqlite3AuthContextPush(a,b,c) # define sqlite3AuthContextPop(a) ((void)(a)) #endif SQLITE_PRIVATE int sqlite3DbIsNamed(sqlite3 *db, int iDb, const char *zName); SQLITE_PRIVATE void sqlite3Attach(Parse*, Expr*, Expr*, Expr*); SQLITE_PRIVATE void sqlite3Detach(Parse*, Expr*); SQLITE_PRIVATE void sqlite3FixInit(DbFixer*, Parse*, int, const char*, const Token*); SQLITE_PRIVATE int sqlite3FixSrcList(DbFixer*, SrcList*); SQLITE_PRIVATE int sqlite3FixSelect(DbFixer*, Select*); SQLITE_PRIVATE int sqlite3FixExpr(DbFixer*, Expr*); SQLITE_PRIVATE int sqlite3FixExprList(DbFixer*, ExprList*); |
︙ | ︙ | |||
19712 19713 19714 19715 19716 19717 19718 | sqlite3PutVarint((A),(B))) #define getVarint sqlite3GetVarint #define putVarint sqlite3PutVarint SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3*, Index*); SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe*, Table*, int); | | | | | 19728 19729 19730 19731 19732 19733 19734 19735 19736 19737 19738 19739 19740 19741 19742 19743 19744 19745 | sqlite3PutVarint((A),(B))) #define getVarint sqlite3GetVarint #define putVarint sqlite3PutVarint SQLITE_PRIVATE const char *sqlite3IndexAffinityStr(sqlite3*, Index*); SQLITE_PRIVATE void sqlite3TableAffinity(Vdbe*, Table*, int); SQLITE_PRIVATE char sqlite3CompareAffinity(const Expr *pExpr, char aff2); SQLITE_PRIVATE int sqlite3IndexAffinityOk(const Expr *pExpr, char idx_affinity); SQLITE_PRIVATE char sqlite3TableColumnAffinity(Table*,int); SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr); SQLITE_PRIVATE int sqlite3Atoi64(const char*, i64*, int, u8); SQLITE_PRIVATE int sqlite3DecOrHexToI64(const char*, i64*); SQLITE_PRIVATE void sqlite3ErrorWithMsg(sqlite3*, int, const char*,...); SQLITE_PRIVATE void sqlite3Error(sqlite3*,int); SQLITE_PRIVATE void sqlite3SystemError(sqlite3*,int); SQLITE_PRIVATE void *sqlite3HexToBlob(sqlite3*, const char *z, int n); SQLITE_PRIVATE u8 sqlite3HexToInt(int h); |
︙ | ︙ | |||
19738 19739 19740 19741 19742 19743 19744 | #endif SQLITE_PRIVATE const char *sqlite3ErrStr(int); SQLITE_PRIVATE int sqlite3ReadSchema(Parse *pParse); SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq(sqlite3*,u8 enc, const char*,int); SQLITE_PRIVATE int sqlite3IsBinary(const CollSeq*); SQLITE_PRIVATE CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName); | > | | | | 19754 19755 19756 19757 19758 19759 19760 19761 19762 19763 19764 19765 19766 19767 19768 19769 19770 19771 | #endif SQLITE_PRIVATE const char *sqlite3ErrStr(int); SQLITE_PRIVATE int sqlite3ReadSchema(Parse *pParse); SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq(sqlite3*,u8 enc, const char*,int); SQLITE_PRIVATE int sqlite3IsBinary(const CollSeq*); SQLITE_PRIVATE CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName); SQLITE_PRIVATE void sqlite3SetTextEncoding(sqlite3 *db, u8); SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr); SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, const Expr *pExpr); SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse*,const Expr*,const Expr*); SQLITE_PRIVATE Expr *sqlite3ExprAddCollateToken(Parse *pParse, Expr*, const Token*, int); SQLITE_PRIVATE Expr *sqlite3ExprAddCollateString(Parse*,Expr*,const char*); SQLITE_PRIVATE Expr *sqlite3ExprSkipCollate(Expr*); SQLITE_PRIVATE Expr *sqlite3ExprSkipCollateAndLikely(Expr*); SQLITE_PRIVATE int sqlite3CheckCollSeq(Parse *, CollSeq *); SQLITE_PRIVATE int sqlite3WritableSchema(sqlite3*); SQLITE_PRIVATE int sqlite3CheckObjectName(Parse*, const char*,const char*,const char*); |
︙ | ︙ | |||
19807 19808 19809 19810 19811 19812 19813 19814 19815 19816 19817 19818 19819 19820 | SQLITE_PRIVATE void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p); SQLITE_PRIVATE int sqlite3MatchEName( const struct ExprList_item*, const char*, const char*, const char* ); SQLITE_PRIVATE int sqlite3ResolveExprNames(NameContext*, Expr*); SQLITE_PRIVATE int sqlite3ResolveExprListNames(NameContext*, ExprList*); SQLITE_PRIVATE void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*); SQLITE_PRIVATE int sqlite3ResolveSelfReference(Parse*,Table*,int,Expr*,ExprList*); SQLITE_PRIVATE int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const char*); SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *, Table *, int, int); SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *, Token *); | > | 19824 19825 19826 19827 19828 19829 19830 19831 19832 19833 19834 19835 19836 19837 19838 | SQLITE_PRIVATE void sqlite3SelectWrongNumTermsError(Parse *pParse, Select *p); SQLITE_PRIVATE int sqlite3MatchEName( const struct ExprList_item*, const char*, const char*, const char* ); SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr*); SQLITE_PRIVATE int sqlite3ResolveExprNames(NameContext*, Expr*); SQLITE_PRIVATE int sqlite3ResolveExprListNames(NameContext*, ExprList*); SQLITE_PRIVATE void sqlite3ResolveSelectNames(Parse*, Select*, NameContext*); SQLITE_PRIVATE int sqlite3ResolveSelfReference(Parse*,Table*,int,Expr*,ExprList*); SQLITE_PRIVATE int sqlite3ResolveOrderGroupBy(Parse*, Select*, ExprList*, const char*); SQLITE_PRIVATE void sqlite3ColumnDefault(Vdbe *, Table *, int, int); SQLITE_PRIVATE void sqlite3AlterFinishAddColumn(Parse *, Token *); |
︙ | ︙ | |||
19971 19972 19973 19974 19975 19976 19977 | SQLITE_PRIVATE int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *); SQLITE_PRIVATE void sqlite3ParserReset(Parse*); #ifdef SQLITE_ENABLE_NORMALIZE SQLITE_PRIVATE char *sqlite3Normalize(Vdbe*, const char*); #endif SQLITE_PRIVATE int sqlite3Reprepare(Vdbe*); SQLITE_PRIVATE void sqlite3ExprListCheckLength(Parse*, ExprList*, const char*); | | | | 19989 19990 19991 19992 19993 19994 19995 19996 19997 19998 19999 20000 20001 20002 20003 20004 | SQLITE_PRIVATE int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *); SQLITE_PRIVATE void sqlite3ParserReset(Parse*); #ifdef SQLITE_ENABLE_NORMALIZE SQLITE_PRIVATE char *sqlite3Normalize(Vdbe*, const char*); #endif SQLITE_PRIVATE int sqlite3Reprepare(Vdbe*); SQLITE_PRIVATE void sqlite3ExprListCheckLength(Parse*, ExprList*, const char*); SQLITE_PRIVATE CollSeq *sqlite3ExprCompareCollSeq(Parse*,const Expr*); SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq(Parse *, const Expr*, const Expr*); SQLITE_PRIVATE int sqlite3TempInMemory(const sqlite3*); SQLITE_PRIVATE const char *sqlite3JournalModename(int); #ifndef SQLITE_OMIT_WAL SQLITE_PRIVATE int sqlite3Checkpoint(sqlite3*, int, int, int*, int*); SQLITE_PRIVATE int sqlite3WalDefaultHook(void*,sqlite3*,const char*,int); #endif #ifndef SQLITE_OMIT_CTE |
︙ | ︙ | |||
20945 20946 20947 20948 20949 20950 20951 20952 20953 | int rcApp; /* errcode set by sqlite3_result_error_code() */ u32 nWrite; /* Number of write operations that have occurred */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ bft expired:2; /* 1: recompile VM immediately 2: when convenient */ bft explain:2; /* True if EXPLAIN present on SQL command */ | > < | 20963 20964 20965 20966 20967 20968 20969 20970 20971 20972 20973 20974 20975 20976 20977 20978 20979 | int rcApp; /* errcode set by sqlite3_result_error_code() */ u32 nWrite; /* Number of write operations that have occurred */ #endif u16 nResColumn; /* Number of columns in one row of the result set */ u8 errorAction; /* Recovery action to do in case of an error */ u8 minWriteFileFormat; /* Minimum file format for writable database files */ u8 prepFlags; /* SQLITE_PREPARE_* flags */ u8 doingRerun; /* True if rerunning after an auto-reprepare */ bft expired:2; /* 1: recompile VM immediately 2: when convenient */ bft explain:2; /* True if EXPLAIN present on SQL command */ bft changeCntOn:1; /* True to update the change-counter */ bft runOnlyOnce:1; /* Automatically expire on reset */ bft usesStmtJournal:1; /* True if uses a statement journal */ bft readOnly:1; /* True for statements that do not write */ bft bIsReader:1; /* True for statements that read */ yDbMask btreeMask; /* Bitmask of db->aDb[] entries referenced */ yDbMask lockMask; /* Subset of btreeMask that requires a lock */ |
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29388 29389 29390 29391 29392 29393 29394 | sqlite3_str_appendf(&x, "{%d:*}", pItem->iCursor); if( pItem->zDatabase ){ sqlite3_str_appendf(&x, " %s.%s", pItem->zDatabase, pItem->zName); }else if( pItem->zName ){ sqlite3_str_appendf(&x, " %s", pItem->zName); } if( pItem->pTab ){ | | | | 29406 29407 29408 29409 29410 29411 29412 29413 29414 29415 29416 29417 29418 29419 29420 29421 | sqlite3_str_appendf(&x, "{%d:*}", pItem->iCursor); if( pItem->zDatabase ){ sqlite3_str_appendf(&x, " %s.%s", pItem->zDatabase, pItem->zName); }else if( pItem->zName ){ sqlite3_str_appendf(&x, " %s", pItem->zName); } if( pItem->pTab ){ sqlite3_str_appendf(&x, " tab=%Q nCol=%d ptr=%p used=%llx", pItem->pTab->zName, pItem->pTab->nCol, pItem->pTab, pItem->colUsed); } if( pItem->zAlias ){ sqlite3_str_appendf(&x, " (AS %s)", pItem->zAlias); } if( pItem->fg.jointype & JT_LEFT ){ sqlite3_str_appendf(&x, " LEFT-JOIN"); } |
︙ | ︙ | |||
29648 29649 29650 29651 29652 29653 29654 | /* ** Generate a human-readable explanation of an expression tree. */ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 moreToFollow){ const char *zBinOp = 0; /* Binary operator */ const char *zUniOp = 0; /* Unary operator */ | | | > > > | 29666 29667 29668 29669 29670 29671 29672 29673 29674 29675 29676 29677 29678 29679 29680 29681 29682 29683 29684 29685 29686 29687 29688 29689 29690 29691 29692 29693 29694 29695 29696 29697 29698 29699 | /* ** Generate a human-readable explanation of an expression tree. */ SQLITE_PRIVATE void sqlite3TreeViewExpr(TreeView *pView, const Expr *pExpr, u8 moreToFollow){ const char *zBinOp = 0; /* Binary operator */ const char *zUniOp = 0; /* Unary operator */ char zFlgs[200]; pView = sqlite3TreeViewPush(pView, moreToFollow); if( pExpr==0 ){ sqlite3TreeViewLine(pView, "nil"); sqlite3TreeViewPop(pView); return; } if( pExpr->flags || pExpr->affExpr || pExpr->vvaFlags ){ StrAccum x; sqlite3StrAccumInit(&x, 0, zFlgs, sizeof(zFlgs), 0); sqlite3_str_appendf(&x, " fg.af=%x.%c", pExpr->flags, pExpr->affExpr ? pExpr->affExpr : 'n'); if( ExprHasProperty(pExpr, EP_FromJoin) ){ sqlite3_str_appendf(&x, " iRJT=%d", pExpr->iRightJoinTable); } if( ExprHasProperty(pExpr, EP_FromDDL) ){ sqlite3_str_appendf(&x, " DDL"); } if( ExprHasVVAProperty(pExpr, EP_Immutable) ){ sqlite3_str_appendf(&x, " IMMUTABLE"); } sqlite3StrAccumFinish(&x); }else{ zFlgs[0] = 0; } switch( pExpr->op ){ case TK_AGG_COLUMN: { |
︙ | ︙ | |||
29772 29773 29774 29775 29776 29777 29778 29779 29780 29781 29782 29783 29784 29785 | case TK_BITAND: zBinOp = "BITAND"; break; case TK_BITOR: zBinOp = "BITOR"; break; case TK_SLASH: zBinOp = "DIV"; break; case TK_LSHIFT: zBinOp = "LSHIFT"; break; case TK_RSHIFT: zBinOp = "RSHIFT"; break; case TK_CONCAT: zBinOp = "CONCAT"; break; case TK_DOT: zBinOp = "DOT"; break; case TK_UMINUS: zUniOp = "UMINUS"; break; case TK_UPLUS: zUniOp = "UPLUS"; break; case TK_BITNOT: zUniOp = "BITNOT"; break; case TK_NOT: zUniOp = "NOT"; break; case TK_ISNULL: zUniOp = "ISNULL"; break; case TK_NOTNULL: zUniOp = "NOTNULL"; break; | > | 29793 29794 29795 29796 29797 29798 29799 29800 29801 29802 29803 29804 29805 29806 29807 | case TK_BITAND: zBinOp = "BITAND"; break; case TK_BITOR: zBinOp = "BITOR"; break; case TK_SLASH: zBinOp = "DIV"; break; case TK_LSHIFT: zBinOp = "LSHIFT"; break; case TK_RSHIFT: zBinOp = "RSHIFT"; break; case TK_CONCAT: zBinOp = "CONCAT"; break; case TK_DOT: zBinOp = "DOT"; break; case TK_LIMIT: zBinOp = "LIMIT"; break; case TK_UMINUS: zUniOp = "UMINUS"; break; case TK_UPLUS: zUniOp = "UPLUS"; break; case TK_BITNOT: zUniOp = "BITNOT"; break; case TK_NOT: zUniOp = "NOT"; break; case TK_ISNULL: zUniOp = "ISNULL"; break; case TK_NOTNULL: zUniOp = "NOTNULL"; break; |
︙ | ︙ | |||
50893 50894 50895 50896 50897 50898 50899 | sqlite3RowSetClear(pArg); sqlite3DbFree(((RowSet*)pArg)->db, pArg); } /* ** Allocate a new RowSetEntry object that is associated with the ** given RowSet. Return a pointer to the new and completely uninitialized | | | 50915 50916 50917 50918 50919 50920 50921 50922 50923 50924 50925 50926 50927 50928 50929 | sqlite3RowSetClear(pArg); sqlite3DbFree(((RowSet*)pArg)->db, pArg); } /* ** Allocate a new RowSetEntry object that is associated with the ** given RowSet. Return a pointer to the new and completely uninitialized ** object. ** ** In an OOM situation, the RowSet.db->mallocFailed flag is set and this ** routine returns NULL. */ static struct RowSetEntry *rowSetEntryAlloc(RowSet *p){ assert( p!=0 ); if( p->nFresh==0 ){ /*OPTIMIZATION-IF-FALSE*/ |
︙ | ︙ | |||
51169 51170 51171 51172 51173 51174 51175 | ** To save unnecessary work, only do this when the batch number changes. */ if( iBatch!=pRowSet->iBatch ){ /*OPTIMIZATION-IF-FALSE*/ p = pRowSet->pEntry; if( p ){ struct RowSetEntry **ppPrevTree = &pRowSet->pForest; if( (pRowSet->rsFlags & ROWSET_SORTED)==0 ){ /*OPTIMIZATION-IF-FALSE*/ | | | 51191 51192 51193 51194 51195 51196 51197 51198 51199 51200 51201 51202 51203 51204 51205 | ** To save unnecessary work, only do this when the batch number changes. */ if( iBatch!=pRowSet->iBatch ){ /*OPTIMIZATION-IF-FALSE*/ p = pRowSet->pEntry; if( p ){ struct RowSetEntry **ppPrevTree = &pRowSet->pForest; if( (pRowSet->rsFlags & ROWSET_SORTED)==0 ){ /*OPTIMIZATION-IF-FALSE*/ /* Only sort the current set of entries if they need it */ p = rowSetEntrySort(p); } for(pTree = pRowSet->pForest; pTree; pTree=pTree->pRight){ ppPrevTree = &pTree->pRight; if( pTree->pLeft==0 ){ pTree->pLeft = rowSetListToTree(p); break; |
︙ | ︙ | |||
64534 64535 64536 64537 64538 64539 64540 | ** ** This function is called when a free-list leaf page is removed from the ** free-list for reuse. It returns false if it is safe to retrieve the ** page from the pager layer with the 'no-content' flag set. True otherwise. */ static int btreeGetHasContent(BtShared *pBt, Pgno pgno){ Bitvec *p = pBt->pHasContent; | | | 64556 64557 64558 64559 64560 64561 64562 64563 64564 64565 64566 64567 64568 64569 64570 | ** ** This function is called when a free-list leaf page is removed from the ** free-list for reuse. It returns false if it is safe to retrieve the ** page from the pager layer with the 'no-content' flag set. True otherwise. */ static int btreeGetHasContent(BtShared *pBt, Pgno pgno){ Bitvec *p = pBt->pHasContent; return p && (pgno>sqlite3BitvecSize(p) || sqlite3BitvecTestNotNull(p, pgno)); } /* ** Clear (destroy) the BtShared.pHasContent bitvec. This should be ** invoked at the conclusion of each write-transaction. */ static void btreeClearHasContent(BtShared *pBt){ |
︙ | ︙ | |||
76178 76179 76180 76181 76182 76183 76184 | for(i=1, pX=pVdbe->aMem+1; i<pVdbe->nMem; i++, pX++){ if( pX->pScopyFrom==pMem ){ u16 mFlags; if( pVdbe->db->flags & SQLITE_VdbeTrace ){ sqlite3DebugPrintf("Invalidate R[%d] due to change in R[%d]\n", (int)(pX - pVdbe->aMem), (int)(pMem - pVdbe->aMem)); } | | < < < < < | 76200 76201 76202 76203 76204 76205 76206 76207 76208 76209 76210 76211 76212 76213 76214 76215 76216 76217 76218 76219 76220 76221 | for(i=1, pX=pVdbe->aMem+1; i<pVdbe->nMem; i++, pX++){ if( pX->pScopyFrom==pMem ){ u16 mFlags; if( pVdbe->db->flags & SQLITE_VdbeTrace ){ sqlite3DebugPrintf("Invalidate R[%d] due to change in R[%d]\n", (int)(pX - pVdbe->aMem), (int)(pMem - pVdbe->aMem)); } /* If pX is marked as a shallow copy of pMem, then try to verify that ** no significant changes have been made to pX since the OP_SCopy. ** A significant change would indicated a missed call to this ** function for pX. Minor changes, such as adding or removing a ** dual type, are allowed, as long as the underlying value is the ** same. */ mFlags = pMem->flags & pX->flags & pX->mScopyFlags; assert( (mFlags&(MEM_Int|MEM_IntReal))==0 || pMem->u.i==pX->u.i ); /* pMem is the register that is changing. But also mark pX as ** undefined so that we can quickly detect the shallow-copy error */ pX->flags = MEM_Undefined; pX->pScopyFrom = 0; } } |
︙ | ︙ | |||
77545 77546 77547 77548 77549 77550 77551 | SQLITE_PRIVATE void sqlite3ExplainBreakpoint(const char *z1, const char *z2){ (void)z1; (void)z2; } #endif /* | | | 77562 77563 77564 77565 77566 77567 77568 77569 77570 77571 77572 77573 77574 77575 77576 | SQLITE_PRIVATE void sqlite3ExplainBreakpoint(const char *z1, const char *z2){ (void)z1; (void)z2; } #endif /* ** Add a new OP_Explain opcode. ** ** If the bPush flag is true, then make this opcode the parent for ** subsequent Explains until sqlite3VdbeExplainPop() is called. */ SQLITE_PRIVATE void sqlite3VdbeExplain(Parse *pParse, u8 bPush, const char *zFmt, ...){ #ifndef SQLITE_DEBUG /* Always include the OP_Explain opcodes if SQLITE_DEBUG is defined. |
︙ | ︙ | |||
78779 78780 78781 78782 78783 78784 78785 78786 | #ifdef SQLITE_ENABLE_CURSOR_HINTS case P4_EXPR: { displayP4Expr(&x, pOp->p4.pExpr); break; } #endif case P4_COLLSEQ: { CollSeq *pColl = pOp->p4.pColl; | > > | > | 78796 78797 78798 78799 78800 78801 78802 78803 78804 78805 78806 78807 78808 78809 78810 78811 78812 78813 78814 | #ifdef SQLITE_ENABLE_CURSOR_HINTS case P4_EXPR: { displayP4Expr(&x, pOp->p4.pExpr); break; } #endif case P4_COLLSEQ: { static const char *const encnames[] = {"?", "8", "16LE", "16BE"}; CollSeq *pColl = pOp->p4.pColl; assert( pColl->enc>=0 && pColl->enc<4 ); sqlite3_str_appendf(&x, "%.18s-%s", pColl->zName, encnames[pColl->enc]); break; } case P4_FUNCDEF: { FuncDef *pDef = pOp->p4.pFunc; sqlite3_str_appendf(&x, "%s(%d)", pDef->zName, pDef->nArg); break; } |
︙ | ︙ | |||
79493 79494 79495 79496 79497 79498 79499 79500 79501 79502 79503 79504 79505 79506 | if( pParse->explain ){ static const char * const azColName[] = { "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", "id", "parent", "notused", "detail" }; int iFirst, mx, i; if( nMem<10 ) nMem = 10; if( pParse->explain==2 ){ sqlite3VdbeSetNumCols(p, 4); iFirst = 8; mx = 12; }else{ sqlite3VdbeSetNumCols(p, 8); iFirst = 0; | > | 79513 79514 79515 79516 79517 79518 79519 79520 79521 79522 79523 79524 79525 79526 79527 | if( pParse->explain ){ static const char * const azColName[] = { "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment", "id", "parent", "notused", "detail" }; int iFirst, mx, i; if( nMem<10 ) nMem = 10; p->explain = pParse->explain; if( pParse->explain==2 ){ sqlite3VdbeSetNumCols(p, 4); iFirst = 8; mx = 12; }else{ sqlite3VdbeSetNumCols(p, 8); iFirst = 0; |
︙ | ︙ | |||
79543 79544 79545 79546 79547 79548 79549 | p->anExec = allocSpace(&x, p->anExec, p->nOp*sizeof(i64)); #endif } } p->pVList = pParse->pVList; pParse->pVList = 0; | < | 79564 79565 79566 79567 79568 79569 79570 79571 79572 79573 79574 79575 79576 79577 | p->anExec = allocSpace(&x, p->anExec, p->nOp*sizeof(i64)); #endif } } p->pVList = pParse->pVList; pParse->pVList = 0; if( db->mallocFailed ){ p->nVar = 0; p->nCursor = 0; p->nMem = 0; }else{ p->nCursor = nCursor; p->nVar = (ynVar)nVar; |
︙ | ︙ | |||
86228 86229 86230 86231 86232 86233 86234 | i64 nByte; /* Total size of the output string or blob */ u16 flags1; /* Initial flags for P1 */ u16 flags2; /* Initial flags for P2 */ pIn1 = &aMem[pOp->p1]; pIn2 = &aMem[pOp->p2]; pOut = &aMem[pOp->p3]; | < | 86248 86249 86250 86251 86252 86253 86254 86255 86256 86257 86258 86259 86260 86261 | i64 nByte; /* Total size of the output string or blob */ u16 flags1; /* Initial flags for P1 */ u16 flags2; /* Initial flags for P2 */ pIn1 = &aMem[pOp->p1]; pIn2 = &aMem[pOp->p2]; pOut = &aMem[pOp->p3]; testcase( pOut==pIn2 ); assert( pIn1!=pOut ); flags1 = pIn1->flags; testcase( flags1 & MEM_Null ); testcase( pIn2->flags & MEM_Null ); if( (flags1 | pIn2->flags) & MEM_Null ){ sqlite3VdbeMemSetNull(pOut); |
︙ | ︙ | |||
88349 88350 88351 88352 88353 88354 88355 | ** values need not be contiguous but all P1 values should be small integers. ** It is an error for P1 to be negative. ** ** Allowed P5 bits: ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT | | | 88368 88369 88370 88371 88372 88373 88374 88375 88376 88377 88378 88379 88380 88381 88382 | ** values need not be contiguous but all P1 values should be small integers. ** It is an error for P1 to be negative. ** ** Allowed P5 bits: ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT ** of OP_SeekLE/OP_IdxLT) ** </ul> ** ** The P4 value may be either an integer (P4_INT32) or a pointer to ** a KeyInfo structure (P4_KEYINFO). If it is a pointer to a KeyInfo ** object, then table being opened must be an [index b-tree] where the ** KeyInfo object defines the content and collating ** sequence of that index b-tree. Otherwise, if P4 is an integer |
︙ | ︙ | |||
88379 88380 88381 88382 88383 88384 88385 | ** be the same as every other ReopenIdx or OpenRead for the same cursor ** number. ** ** Allowed P5 bits: ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT | | | 88398 88399 88400 88401 88402 88403 88404 88405 88406 88407 88408 88409 88410 88411 88412 | ** be the same as every other ReopenIdx or OpenRead for the same cursor ** number. ** ** Allowed P5 bits: ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT ** of OP_SeekLE/OP_IdxLT) ** </ul> ** ** See also: OP_OpenRead, OP_OpenWrite */ /* Opcode: OpenWrite P1 P2 P3 P4 P5 ** Synopsis: root=P2 iDb=P3 ** |
︙ | ︙ | |||
88403 88404 88405 88406 88407 88408 88409 | ** value, then the table being opened must be a [table b-tree] with a ** number of columns no less than the value of P4. ** ** Allowed P5 bits: ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT | | | 88422 88423 88424 88425 88426 88427 88428 88429 88430 88431 88432 88433 88434 88435 88436 | ** value, then the table being opened must be a [table b-tree] with a ** number of columns no less than the value of P4. ** ** Allowed P5 bits: ** <ul> ** <li> <b>0x02 OPFLAG_SEEKEQ</b>: This cursor will only be used for ** equality lookups (implemented as a pair of opcodes OP_SeekGE/OP_IdxGT ** of OP_SeekLE/OP_IdxLT) ** <li> <b>0x08 OPFLAG_FORDELETE</b>: This cursor is used only to seek ** and subsequently delete entries in an index btree. This is a ** hint to the storage engine that the storage engine is allowed to ** ignore. The hint is not used by the official SQLite b*tree storage ** engine, but is used by COMDB2. ** <li> <b>0x10 OPFLAG_P2ISREG</b>: Use the content of register P2 ** as the root page, not the value of P2 itself. |
︙ | ︙ | |||
88515 88516 88517 88518 88519 88520 88521 | ** since moved into the btree layer. */ pCur->isTable = pOp->p4type!=P4_KEYINFO; open_cursor_set_hints: assert( OPFLAG_BULKCSR==BTREE_BULKLOAD ); assert( OPFLAG_SEEKEQ==BTREE_SEEK_EQ ); testcase( pOp->p5 & OPFLAG_BULKCSR ); | < < | 88534 88535 88536 88537 88538 88539 88540 88541 88542 88543 88544 88545 88546 88547 88548 | ** since moved into the btree layer. */ pCur->isTable = pOp->p4type!=P4_KEYINFO; open_cursor_set_hints: assert( OPFLAG_BULKCSR==BTREE_BULKLOAD ); assert( OPFLAG_SEEKEQ==BTREE_SEEK_EQ ); testcase( pOp->p5 & OPFLAG_BULKCSR ); testcase( pOp->p2 & OPFLAG_SEEKEQ ); sqlite3BtreeCursorHintFlags(pCur->uc.pCursor, (pOp->p5 & (OPFLAG_BULKCSR|OPFLAG_SEEKEQ))); if( rc ) goto abort_due_to_error; break; } /* Opcode: OpenDup P1 P2 * * * |
︙ | ︙ | |||
88773 88774 88775 88776 88777 88778 88779 | ** that are used as an unpacked index key. ** ** Reposition cursor P1 so that it points to the smallest entry that ** is greater than or equal to the key value. If there are no records ** greater than or equal to the key and P2 is not zero, then jump to P2. ** ** If the cursor P1 was opened using the OPFLAG_SEEKEQ flag, then this | | | | | | > > | | 88790 88791 88792 88793 88794 88795 88796 88797 88798 88799 88800 88801 88802 88803 88804 88805 88806 88807 88808 88809 88810 88811 88812 88813 88814 88815 88816 88817 88818 88819 88820 88821 88822 88823 88824 88825 88826 | ** that are used as an unpacked index key. ** ** Reposition cursor P1 so that it points to the smallest entry that ** is greater than or equal to the key value. If there are no records ** greater than or equal to the key and P2 is not zero, then jump to P2. ** ** If the cursor P1 was opened using the OPFLAG_SEEKEQ flag, then this ** opcode will either land on a record that exactly matches the key, or ** else it will cause a jump to P2. When the cursor is OPFLAG_SEEKEQ, ** this opcode must be followed by an IdxLE opcode with the same arguments. ** The IdxGT opcode will be skipped if this opcode succeeds, but the ** IdxGT opcode will be used on subsequent loop iterations. The ** OPFLAG_SEEKEQ flags is a hint to the btree layer to say that this ** is an equality search. ** ** This opcode leaves the cursor configured to move in forward order, ** from the beginning toward the end. In other words, the cursor is ** configured to use Next, not Prev. ** ** See also: Found, NotFound, SeekLt, SeekGt, SeekLe */ /* Opcode: SeekGT P1 P2 P3 P4 * ** Synopsis: key=r[P3@P4] ** ** If cursor P1 refers to an SQL table (B-Tree that uses integer keys), ** use the value in register P3 as a key. If cursor P1 refers ** to an SQL index, then P3 is the first in an array of P4 registers ** that are used as an unpacked index key. ** ** Reposition cursor P1 so that it points to the smallest entry that ** is greater than the key value. If there are no records greater than ** the key and P2 is not zero, then jump to P2. ** ** This opcode leaves the cursor configured to move in forward order, ** from the beginning toward the end. In other words, the cursor is ** configured to use Next, not Prev. ** |
︙ | ︙ | |||
88838 88839 88840 88841 88842 88843 88844 | ** less than or equal to the key and P2 is not zero, then jump to P2. ** ** This opcode leaves the cursor configured to move in reverse order, ** from the end toward the beginning. In other words, the cursor is ** configured to use Prev, not Next. ** ** If the cursor P1 was opened using the OPFLAG_SEEKEQ flag, then this | | | | | > > | 88857 88858 88859 88860 88861 88862 88863 88864 88865 88866 88867 88868 88869 88870 88871 88872 88873 88874 88875 88876 88877 | ** less than or equal to the key and P2 is not zero, then jump to P2. ** ** This opcode leaves the cursor configured to move in reverse order, ** from the end toward the beginning. In other words, the cursor is ** configured to use Prev, not Next. ** ** If the cursor P1 was opened using the OPFLAG_SEEKEQ flag, then this ** opcode will either land on a record that exactly matches the key, or ** else it will cause a jump to P2. When the cursor is OPFLAG_SEEKEQ, ** this opcode must be followed by an IdxLE opcode with the same arguments. ** The IdxGE opcode will be skipped if this opcode succeeds, but the ** IdxGE opcode will be used on subsequent loop iterations. The ** OPFLAG_SEEKEQ flags is a hint to the btree layer to say that this ** is an equality search. ** ** See also: Found, NotFound, SeekGt, SeekGe, SeekLt */ case OP_SeekLT: /* jump, in3, group */ case OP_SeekLE: /* jump, in3, group */ case OP_SeekGE: /* jump, in3, group */ case OP_SeekGT: { /* jump, in3, group */ |
︙ | ︙ | |||
88879 88880 88881 88882 88883 88884 88885 | pC->seekOp = pOp->opcode; #endif pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; if( pC->isTable ){ u16 flags3, newType; | | | 88900 88901 88902 88903 88904 88905 88906 88907 88908 88909 88910 88911 88912 88913 88914 | pC->seekOp = pOp->opcode; #endif pC->deferredMoveto = 0; pC->cacheStatus = CACHE_STALE; if( pC->isTable ){ u16 flags3, newType; /* The OPFLAG_SEEKEQ/BTREE_SEEK_EQ flag is only set on index cursors */ assert( sqlite3BtreeCursorHasHint(pC->uc.pCursor, BTREE_SEEK_EQ)==0 || CORRUPT_DB ); /* The input value in P3 might be of any type: integer, real, string, ** blob, or NULL. But it needs to be an integer before we can do ** the seek, so convert it. */ pIn3 = &aMem[pOp->p3]; |
︙ | ︙ | |||
88938 88939 88940 88941 88942 88943 88944 | } rc = sqlite3BtreeMovetoUnpacked(pC->uc.pCursor, 0, (u64)iKey, 0, &res); pC->movetoTarget = iKey; /* Used by OP_Delete */ if( rc!=SQLITE_OK ){ goto abort_due_to_error; } }else{ | | | | > > > | 88959 88960 88961 88962 88963 88964 88965 88966 88967 88968 88969 88970 88971 88972 88973 88974 88975 88976 88977 88978 88979 88980 88981 88982 88983 | } rc = sqlite3BtreeMovetoUnpacked(pC->uc.pCursor, 0, (u64)iKey, 0, &res); pC->movetoTarget = iKey; /* Used by OP_Delete */ if( rc!=SQLITE_OK ){ goto abort_due_to_error; } }else{ /* For a cursor with the OPFLAG_SEEKEQ/BTREE_SEEK_EQ hint, only the ** OP_SeekGE and OP_SeekLE opcodes are allowed, and these must be ** immediately followed by an OP_IdxGT or OP_IdxLT opcode, respectively, ** with the same key. */ if( sqlite3BtreeCursorHasHint(pC->uc.pCursor, BTREE_SEEK_EQ) ){ eqOnly = 1; assert( pOp->opcode==OP_SeekGE || pOp->opcode==OP_SeekLE ); assert( pOp[1].opcode==OP_IdxLT || pOp[1].opcode==OP_IdxGT ); assert( pOp->opcode==OP_SeekGE || pOp[1].opcode==OP_IdxLT ); assert( pOp->opcode==OP_SeekLE || pOp[1].opcode==OP_IdxGT ); assert( pOp[1].p1==pOp[0].p1 ); assert( pOp[1].p2==pOp[0].p2 ); assert( pOp[1].p3==pOp[0].p3 ); assert( pOp[1].p4.i==pOp[0].p4.i ); } nField = pOp->p4.i; |
︙ | ︙ | |||
91160 91161 91162 91163 91164 91165 91166 | #ifdef SQLITE_DEBUG /* Verify that second and subsequent executions of the same trigger do not ** try to reuse register values from the first use. */ { int i; for(i=0; i<p->nMem; i++){ aMem[i].pScopyFrom = 0; /* Prevent false-positive AboutToChange() errs */ | | | 91184 91185 91186 91187 91188 91189 91190 91191 91192 91193 91194 91195 91196 91197 91198 | #ifdef SQLITE_DEBUG /* Verify that second and subsequent executions of the same trigger do not ** try to reuse register values from the first use. */ { int i; for(i=0; i<p->nMem; i++){ aMem[i].pScopyFrom = 0; /* Prevent false-positive AboutToChange() errs */ MemSetTypeFlag(&aMem[i], MEM_Undefined); /* Fault if this reg is reused */ } } #endif pOp = &aOp[-1]; goto check_for_interrupt; } |
︙ | ︙ | |||
96553 96554 96555 96556 96557 96558 96559 | */ SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){ SrcList *pSrc; int i; struct SrcList_item *pItem; pSrc = p->pSrc; | | | | | | | | | | > | 96577 96578 96579 96580 96581 96582 96583 96584 96585 96586 96587 96588 96589 96590 96591 96592 96593 96594 96595 96596 96597 96598 96599 96600 | */ SQLITE_PRIVATE int sqlite3WalkSelectFrom(Walker *pWalker, Select *p){ SrcList *pSrc; int i; struct SrcList_item *pItem; pSrc = p->pSrc; if( pSrc ){ for(i=pSrc->nSrc, pItem=pSrc->a; i>0; i--, pItem++){ if( pItem->pSelect && sqlite3WalkSelect(pWalker, pItem->pSelect) ){ return WRC_Abort; } if( pItem->fg.isTabFunc && sqlite3WalkExprList(pWalker, pItem->u1.pFuncArg) ){ return WRC_Abort; } } } return WRC_Continue; } /* ** Call sqlite3WalkExpr() for every expression in Select statement p. |
︙ | ︙ | |||
96782 96783 96784 96785 96786 96787 96788 96789 96790 96791 96792 96793 96794 96795 | } return (db->flags & SQLITE_DqsDDL)!=0; }else{ /* Currently parsing a DML statement */ return (db->flags & SQLITE_DqsDML)!=0; } } /* ** Given the name of a column of the form X.Y.Z or Y.Z or just Z, look up ** that name in the set of source tables in pSrcList and make the pExpr ** expression node refer back to that source column. The following changes ** are made to pExpr: ** | > > > > > > > > > > > > > > > > > > > > > > > > > | 96807 96808 96809 96810 96811 96812 96813 96814 96815 96816 96817 96818 96819 96820 96821 96822 96823 96824 96825 96826 96827 96828 96829 96830 96831 96832 96833 96834 96835 96836 96837 96838 96839 96840 96841 96842 96843 96844 96845 | } return (db->flags & SQLITE_DqsDDL)!=0; }else{ /* Currently parsing a DML statement */ return (db->flags & SQLITE_DqsDML)!=0; } } /* ** The argument is guaranteed to be a non-NULL Expr node of type TK_COLUMN. ** return the appropriate colUsed mask. */ SQLITE_PRIVATE Bitmask sqlite3ExprColUsed(Expr *pExpr){ int n; Table *pExTab; n = pExpr->iColumn; pExTab = pExpr->y.pTab; assert( pExTab!=0 ); if( (pExTab->tabFlags & TF_HasGenerated)!=0 && (pExTab->aCol[n].colFlags & COLFLAG_GENERATED)!=0 ){ testcase( pExTab->nCol==BMS-1 ); testcase( pExTab->nCol==BMS ); return pExTab->nCol>=BMS ? ALLBITS : MASKBIT(pExTab->nCol)-1; }else{ testcase( n==BMS-1 ); testcase( n==BMS ); if( n>=BMS ) n = BMS-1; return ((Bitmask)1)<<n; } } /* ** Given the name of a column of the form X.Y.Z or Y.Z or just Z, look up ** that name in the set of source tables in pSrcList and make the pExpr ** expression node refer back to that source column. The following changes ** are made to pExpr: ** |
︙ | ︙ | |||
96859 96860 96861 96862 96863 96864 96865 96866 96867 96868 96869 96870 96871 96872 | }else{ for(i=0; i<db->nDb; i++){ assert( db->aDb[i].zDbSName ); if( sqlite3StrICmp(db->aDb[i].zDbSName,zDb)==0 ){ pSchema = db->aDb[i].pSchema; break; } } } } /* Start at the inner-most context and move outward until a match is found */ assert( pNC && cnt==0 ); do{ | > > > > > > | 96909 96910 96911 96912 96913 96914 96915 96916 96917 96918 96919 96920 96921 96922 96923 96924 96925 96926 96927 96928 | }else{ for(i=0; i<db->nDb; i++){ assert( db->aDb[i].zDbSName ); if( sqlite3StrICmp(db->aDb[i].zDbSName,zDb)==0 ){ pSchema = db->aDb[i].pSchema; break; } } if( i==db->nDb && sqlite3StrICmp("main", zDb)==0 ){ /* This branch is taken when the main database has been renamed ** using SQLITE_DBCONFIG_MAINDBNAME. */ pSchema = db->aDb[0].pSchema; zDb = db->aDb[0].zDbSName; } } } /* Start at the inner-most context and move outward until a match is found */ assert( pNC && cnt==0 ); do{ |
︙ | ︙ | |||
97179 97180 97181 97182 97183 97184 97185 | ** avoid setting bits beyond the maximum column number of the table. ** (See ticket [b92e5e8ec2cdbaa1]). ** ** If a generated column is referenced, set bits for every column ** of the table. */ if( pExpr->iColumn>=0 && pMatch!=0 ){ | < < < < < < < < < < < < < < | < | 97235 97236 97237 97238 97239 97240 97241 97242 97243 97244 97245 97246 97247 97248 97249 | ** avoid setting bits beyond the maximum column number of the table. ** (See ticket [b92e5e8ec2cdbaa1]). ** ** If a generated column is referenced, set bits for every column ** of the table. */ if( pExpr->iColumn>=0 && pMatch!=0 ){ pMatch->colUsed |= sqlite3ExprColUsed(pExpr); } /* Clean up and return */ sqlite3ExprDelete(db, pExpr->pLeft); pExpr->pLeft = 0; sqlite3ExprDelete(db, pExpr->pRight); |
︙ | ︙ | |||
98555 98556 98557 98558 98559 98560 98561 | ** have an affinity: ** ** CREATE TABLE t1(a); ** SELECT * FROM t1 WHERE a; ** SELECT a AS b FROM t1 WHERE b; ** SELECT * FROM t1 WHERE (select a from t1); */ | | | 98596 98597 98598 98599 98600 98601 98602 98603 98604 98605 98606 98607 98608 98609 98610 | ** have an affinity: ** ** CREATE TABLE t1(a); ** SELECT * FROM t1 WHERE a; ** SELECT a AS b FROM t1 WHERE b; ** SELECT * FROM t1 WHERE (select a from t1); */ SQLITE_PRIVATE char sqlite3ExprAffinity(const Expr *pExpr){ int op; while( ExprHasProperty(pExpr, EP_Skip) ){ assert( pExpr->op==TK_COLLATE ); pExpr = pExpr->pLeft; assert( pExpr!=0 ); } op = pExpr->op; |
︙ | ︙ | |||
98665 98666 98667 98668 98669 98670 98671 | ** default collation if pExpr has no defined collation. ** ** The collating sequence might be determined by a COLLATE operator ** or by the presence of a column with a defined collating sequence. ** COLLATE operators take first precedence. Left operands take ** precedence over right operands. */ | | | | 98706 98707 98708 98709 98710 98711 98712 98713 98714 98715 98716 98717 98718 98719 98720 98721 98722 98723 | ** default collation if pExpr has no defined collation. ** ** The collating sequence might be determined by a COLLATE operator ** or by the presence of a column with a defined collating sequence. ** COLLATE operators take first precedence. Left operands take ** precedence over right operands. */ SQLITE_PRIVATE CollSeq *sqlite3ExprCollSeq(Parse *pParse, const Expr *pExpr){ sqlite3 *db = pParse->db; CollSeq *pColl = 0; const Expr *p = pExpr; while( p ){ int op = p->op; if( op==TK_REGISTER ) op = p->op2; if( (op==TK_AGG_COLUMN || op==TK_COLUMN || op==TK_TRIGGER) && p->y.pTab!=0 ){ /* op==TK_REGISTER && p->y.pTab!=0 happens when pExpr was originally |
︙ | ︙ | |||
98737 98738 98739 98740 98741 98742 98743 | ** defautl collation sequence. ** ** See also: sqlite3ExprCollSeq() ** ** The sqlite3ExprCollSeq() routine works the same except that it ** returns NULL if there is no defined collation. */ | | | | | 98778 98779 98780 98781 98782 98783 98784 98785 98786 98787 98788 98789 98790 98791 98792 98793 98794 98795 98796 98797 98798 98799 98800 98801 98802 98803 98804 98805 98806 98807 98808 98809 98810 98811 98812 98813 | ** defautl collation sequence. ** ** See also: sqlite3ExprCollSeq() ** ** The sqlite3ExprCollSeq() routine works the same except that it ** returns NULL if there is no defined collation. */ SQLITE_PRIVATE CollSeq *sqlite3ExprNNCollSeq(Parse *pParse, const Expr *pExpr){ CollSeq *p = sqlite3ExprCollSeq(pParse, pExpr); if( p==0 ) p = pParse->db->pDfltColl; assert( p!=0 ); return p; } /* ** Return TRUE if the two expressions have equivalent collating sequences. */ SQLITE_PRIVATE int sqlite3ExprCollSeqMatch(Parse *pParse, const Expr *pE1, const Expr *pE2){ CollSeq *pColl1 = sqlite3ExprNNCollSeq(pParse, pE1); CollSeq *pColl2 = sqlite3ExprNNCollSeq(pParse, pE2); return sqlite3StrICmp(pColl1->zName, pColl2->zName)==0; } /* ** pExpr is an operand of a comparison operator. aff2 is the ** type affinity of the other operand. This routine returns the ** type affinity that should be used for the comparison operator. */ SQLITE_PRIVATE char sqlite3CompareAffinity(const Expr *pExpr, char aff2){ char aff1 = sqlite3ExprAffinity(pExpr); if( aff1>SQLITE_AFF_NONE && aff2>SQLITE_AFF_NONE ){ /* Both sides of the comparison are columns. If one has numeric ** affinity, use that. Otherwise use no affinity. */ if( sqlite3IsNumericAffinity(aff1) || sqlite3IsNumericAffinity(aff2) ){ return SQLITE_AFF_NUMERIC; |
︙ | ︙ | |||
98780 98781 98782 98783 98784 98785 98786 | } } /* ** pExpr is a comparison operator. Return the type affinity that should ** be applied to both operands prior to doing the comparison. */ | | | 98821 98822 98823 98824 98825 98826 98827 98828 98829 98830 98831 98832 98833 98834 98835 | } } /* ** pExpr is a comparison operator. Return the type affinity that should ** be applied to both operands prior to doing the comparison. */ static char comparisonAffinity(const Expr *pExpr){ char aff; assert( pExpr->op==TK_EQ || pExpr->op==TK_IN || pExpr->op==TK_LT || pExpr->op==TK_GT || pExpr->op==TK_GE || pExpr->op==TK_LE || pExpr->op==TK_NE || pExpr->op==TK_IS || pExpr->op==TK_ISNOT ); assert( pExpr->pLeft ); aff = sqlite3ExprAffinity(pExpr->pLeft); if( pExpr->pRight ){ |
︙ | ︙ | |||
98803 98804 98805 98806 98807 98808 98809 | /* ** pExpr is a comparison expression, eg. '=', '<', IN(...) etc. ** idx_affinity is the affinity of an indexed column. Return true ** if the index with affinity idx_affinity may be used to implement ** the comparison in pExpr. */ | | | > > > > | | | 98844 98845 98846 98847 98848 98849 98850 98851 98852 98853 98854 98855 98856 98857 98858 98859 98860 98861 98862 98863 98864 98865 98866 98867 98868 98869 98870 98871 98872 98873 98874 98875 98876 98877 98878 98879 98880 98881 98882 98883 98884 98885 98886 98887 98888 98889 98890 98891 98892 98893 98894 98895 98896 98897 98898 | /* ** pExpr is a comparison expression, eg. '=', '<', IN(...) etc. ** idx_affinity is the affinity of an indexed column. Return true ** if the index with affinity idx_affinity may be used to implement ** the comparison in pExpr. */ SQLITE_PRIVATE int sqlite3IndexAffinityOk(const Expr *pExpr, char idx_affinity){ char aff = comparisonAffinity(pExpr); if( aff<SQLITE_AFF_TEXT ){ return 1; } if( aff==SQLITE_AFF_TEXT ){ return idx_affinity==SQLITE_AFF_TEXT; } return sqlite3IsNumericAffinity(idx_affinity); } /* ** Return the P5 value that should be used for a binary comparison ** opcode (OP_Eq, OP_Ge etc.) used to compare pExpr1 and pExpr2. */ static u8 binaryCompareP5( const Expr *pExpr1, /* Left operand */ const Expr *pExpr2, /* Right operand */ int jumpIfNull /* Extra flags added to P5 */ ){ u8 aff = (char)sqlite3ExprAffinity(pExpr2); aff = (u8)sqlite3CompareAffinity(pExpr1, aff) | (u8)jumpIfNull; return aff; } /* ** Return a pointer to the collation sequence that should be used by ** a binary comparison operator comparing pLeft and pRight. ** ** If the left hand expression has a collating sequence type, then it is ** used. Otherwise the collation sequence for the right hand expression ** is used, or the default (BINARY) if neither expression has a collating ** type. ** ** Argument pRight (but not pLeft) may be a null pointer. In this case, ** it is not considered. */ SQLITE_PRIVATE CollSeq *sqlite3BinaryCompareCollSeq( Parse *pParse, const Expr *pLeft, const Expr *pRight ){ CollSeq *pColl; assert( pLeft ); if( pLeft->flags & EP_Collate ){ pColl = sqlite3ExprCollSeq(pParse, pLeft); }else if( pRight && (pRight->flags & EP_Collate)!=0 ){ pColl = sqlite3ExprCollSeq(pParse, pRight); |
︙ | ︙ | |||
98864 98865 98866 98867 98868 98869 98870 | ** appropriate for the comparison operator. ** ** This is normally just a wrapper around sqlite3BinaryCompareCollSeq(). ** However, if the OP_Commuted flag is set, then the order of the operands ** is reversed in the sqlite3BinaryCompareCollSeq() call so that the ** correct collating sequence is found. */ | | | 98909 98910 98911 98912 98913 98914 98915 98916 98917 98918 98919 98920 98921 98922 98923 | ** appropriate for the comparison operator. ** ** This is normally just a wrapper around sqlite3BinaryCompareCollSeq(). ** However, if the OP_Commuted flag is set, then the order of the operands ** is reversed in the sqlite3BinaryCompareCollSeq() call so that the ** correct collating sequence is found. */ SQLITE_PRIVATE CollSeq *sqlite3ExprCompareCollSeq(Parse *pParse, const Expr *p){ if( ExprHasProperty(p, EP_Commuted) ){ return sqlite3BinaryCompareCollSeq(pParse, p->pRight, p->pLeft); }else{ return sqlite3BinaryCompareCollSeq(pParse, p->pLeft, p->pRight); } } |
︙ | ︙ | |||
99107 99108 99109 99110 99111 99112 99113 99114 99115 99116 99117 99118 99119 99120 | int i; int regLeft = 0; int regRight = 0; u8 opx = op; int addrDone = sqlite3VdbeMakeLabel(pParse); int isCommuted = ExprHasProperty(pExpr,EP_Commuted); if( pParse->nErr ) return; if( nLeft!=sqlite3ExprVectorSize(pRight) ){ sqlite3ErrorMsg(pParse, "row value misused"); return; } assert( pExpr->op==TK_EQ || pExpr->op==TK_NE || pExpr->op==TK_IS || pExpr->op==TK_ISNOT | > | 99152 99153 99154 99155 99156 99157 99158 99159 99160 99161 99162 99163 99164 99165 99166 | int i; int regLeft = 0; int regRight = 0; u8 opx = op; int addrDone = sqlite3VdbeMakeLabel(pParse); int isCommuted = ExprHasProperty(pExpr,EP_Commuted); assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); if( pParse->nErr ) return; if( nLeft!=sqlite3ExprVectorSize(pRight) ){ sqlite3ErrorMsg(pParse, "row value misused"); return; } assert( pExpr->op==TK_EQ || pExpr->op==TK_NE || pExpr->op==TK_IS || pExpr->op==TK_ISNOT |
︙ | ︙ | |||
99719 99720 99721 99722 99723 99724 99725 | #endif ){ nSize = EXPR_FULLSIZE; }else{ assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); assert( !ExprHasProperty(p, EP_FromJoin) ); assert( !ExprHasProperty(p, EP_MemToken) ); | | | 99765 99766 99767 99768 99769 99770 99771 99772 99773 99774 99775 99776 99777 99778 99779 | #endif ){ nSize = EXPR_FULLSIZE; }else{ assert( !ExprHasProperty(p, EP_TokenOnly|EP_Reduced) ); assert( !ExprHasProperty(p, EP_FromJoin) ); assert( !ExprHasProperty(p, EP_MemToken) ); assert( !ExprHasVVAProperty(p, EP_NoReduce) ); if( p->pLeft || p->x.pList ){ nSize = EXPR_REDUCEDSIZE | EP_Reduced; }else{ assert( p->pRight==0 ); nSize = EXPR_TOKENONLYSIZE | EP_TokenOnly; } } |
︙ | ︙ | |||
99824 99825 99826 99827 99828 99829 99830 99831 99832 99833 99834 99835 99836 99837 | } } /* Set the EP_Reduced, EP_TokenOnly, and EP_Static flags appropriately. */ pNew->flags &= ~(EP_Reduced|EP_TokenOnly|EP_Static|EP_MemToken); pNew->flags |= nStructSize & (EP_Reduced|EP_TokenOnly); pNew->flags |= staticFlag; /* Copy the p->u.zToken string, if any. */ if( nToken ){ char *zToken = pNew->u.zToken = (char*)&zAlloc[nNewSize]; memcpy(zToken, p->u.zToken, nToken); } | > > > > | 99870 99871 99872 99873 99874 99875 99876 99877 99878 99879 99880 99881 99882 99883 99884 99885 99886 99887 | } } /* Set the EP_Reduced, EP_TokenOnly, and EP_Static flags appropriately. */ pNew->flags &= ~(EP_Reduced|EP_TokenOnly|EP_Static|EP_MemToken); pNew->flags |= nStructSize & (EP_Reduced|EP_TokenOnly); pNew->flags |= staticFlag; ExprClearVVAProperties(pNew); if( dupFlags ){ ExprSetVVAProperty(pNew, EP_Immutable); } /* Copy the p->u.zToken string, if any. */ if( nToken ){ char *zToken = pNew->u.zToken = (char*)&zAlloc[nNewSize]; memcpy(zToken, p->u.zToken, nToken); } |
︙ | ︙ | |||
100600 100601 100602 100603 100604 100605 100606 | ** (2) the expression does originate in the ON or USING clause ** of a LEFT JOIN, and ** (3) the expression does not contain any EP_FixedCol TK_COLUMN ** operands created by the constant propagation optimization. ** ** When this routine returns true, it indicates that the expression ** can be added to the pParse->pConstExpr list and evaluated once when | | | 100650 100651 100652 100653 100654 100655 100656 100657 100658 100659 100660 100661 100662 100663 100664 | ** (2) the expression does originate in the ON or USING clause ** of a LEFT JOIN, and ** (3) the expression does not contain any EP_FixedCol TK_COLUMN ** operands created by the constant propagation optimization. ** ** When this routine returns true, it indicates that the expression ** can be added to the pParse->pConstExpr list and evaluated once when ** the prepared statement starts up. See sqlite3ExprCodeRunJustOnce(). */ SQLITE_PRIVATE int sqlite3ExprIsConstantNotJoin(Expr *p){ return exprIsConst(p, 2, 0); } /* ** Walk an expression tree. Return non-zero if the expression is constant |
︙ | ︙ | |||
101363 101364 101365 101366 101367 101368 101369 101370 101371 101372 101373 101374 101375 101376 | sqlite3VdbeAddOp2(v, OP_OpenDup, iTab, pExpr->iTable); sqlite3VdbeJumpHere(v, addrOnce); return; } /* Begin coding the subroutine */ ExprSetProperty(pExpr, EP_Subrtn); pExpr->y.sub.regReturn = ++pParse->nMem; pExpr->y.sub.iAddr = sqlite3VdbeAddOp2(v, OP_Integer, 0, pExpr->y.sub.regReturn) + 1; VdbeComment((v, "return address")); addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } | > | 101413 101414 101415 101416 101417 101418 101419 101420 101421 101422 101423 101424 101425 101426 101427 | sqlite3VdbeAddOp2(v, OP_OpenDup, iTab, pExpr->iTable); sqlite3VdbeJumpHere(v, addrOnce); return; } /* Begin coding the subroutine */ ExprSetProperty(pExpr, EP_Subrtn); assert( !ExprHasProperty(pExpr, EP_TokenOnly|EP_Reduced) ); pExpr->y.sub.regReturn = ++pParse->nMem; pExpr->y.sub.iAddr = sqlite3VdbeAddOp2(v, OP_Integer, 0, pExpr->y.sub.regReturn) + 1; VdbeComment((v, "return address")); addrOnce = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); } |
︙ | ︙ | |||
101683 101684 101685 101686 101687 101688 101689 101690 101691 101692 101693 101694 101695 101696 | int destStep2; /* Where to jump when NULLs seen in step 2 */ int destStep6 = 0; /* Start of code for Step 6 */ int addrTruthOp; /* Address of opcode that determines the IN is true */ int destNotNull; /* Jump here if a comparison is not true in step 6 */ int addrTop; /* Top of the step-6 loop */ int iTab = 0; /* Index to use */ pLeft = pExpr->pLeft; if( sqlite3ExprCheckIN(pParse, pExpr) ) return; zAff = exprINAffinity(pParse, pExpr); nVector = sqlite3ExprVectorSize(pExpr->pLeft); aiMap = (int*)sqlite3DbMallocZero( pParse->db, nVector*(sizeof(int) + sizeof(char)) + 1 ); | > | 101734 101735 101736 101737 101738 101739 101740 101741 101742 101743 101744 101745 101746 101747 101748 | int destStep2; /* Where to jump when NULLs seen in step 2 */ int destStep6 = 0; /* Start of code for Step 6 */ int addrTruthOp; /* Address of opcode that determines the IN is true */ int destNotNull; /* Jump here if a comparison is not true in step 6 */ int addrTop; /* Top of the step-6 loop */ int iTab = 0; /* Index to use */ assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); pLeft = pExpr->pLeft; if( sqlite3ExprCheckIN(pParse, pExpr) ) return; zAff = exprINAffinity(pParse, pExpr); nVector = sqlite3ExprVectorSize(pExpr->pLeft); aiMap = (int*)sqlite3DbMallocZero( pParse->db, nVector*(sizeof(int) + sizeof(char)) + 1 ); |
︙ | ︙ | |||
102009 102010 102011 102012 102013 102014 102015 | assert( v!=0 ); assert( pParse->iSelfTab!=0 ); if( pParse->iSelfTab>0 ){ iAddr = sqlite3VdbeAddOp3(v, OP_IfNullRow, pParse->iSelfTab-1, 0, regOut); }else{ iAddr = 0; } | | | 102061 102062 102063 102064 102065 102066 102067 102068 102069 102070 102071 102072 102073 102074 102075 | assert( v!=0 ); assert( pParse->iSelfTab!=0 ); if( pParse->iSelfTab>0 ){ iAddr = sqlite3VdbeAddOp3(v, OP_IfNullRow, pParse->iSelfTab-1, 0, regOut); }else{ iAddr = 0; } sqlite3ExprCodeCopy(pParse, pCol->pDflt, regOut); if( pCol->affinity>=SQLITE_AFF_TEXT ){ sqlite3VdbeAddOp4(v, OP_Affinity, regOut, 1, 0, &pCol->affinity, 1); } if( iAddr ) sqlite3VdbeJumpHere(v, iAddr); } #endif /* SQLITE_OMIT_GENERATED_COLUMNS */ |
︙ | ︙ | |||
102293 102294 102295 102296 102297 102298 102299 102300 102301 102302 102303 102304 102305 102306 102307 102308 102309 102310 102311 102312 102313 102314 102315 102316 102317 102318 | return 0; } expr_code_doover: if( pExpr==0 ){ op = TK_NULL; }else{ op = pExpr->op; } switch( op ){ case TK_AGG_COLUMN: { AggInfo *pAggInfo = pExpr->pAggInfo; struct AggInfo_col *pCol = &pAggInfo->aCol[pExpr->iAgg]; if( !pAggInfo->directMode ){ assert( pCol->iMem>0 ); return pCol->iMem; }else if( pAggInfo->useSortingIdx ){ sqlite3VdbeAddOp3(v, OP_Column, pAggInfo->sortingIdxPTab, pCol->iSorterColumn, target); return target; } /* Otherwise, fall thru into the TK_COLUMN case */ } case TK_COLUMN: { int iTab = pExpr->iTable; int iReg; | > > > > > > > > > > | 102345 102346 102347 102348 102349 102350 102351 102352 102353 102354 102355 102356 102357 102358 102359 102360 102361 102362 102363 102364 102365 102366 102367 102368 102369 102370 102371 102372 102373 102374 102375 102376 102377 102378 102379 102380 | return 0; } expr_code_doover: if( pExpr==0 ){ op = TK_NULL; }else{ assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); op = pExpr->op; } switch( op ){ case TK_AGG_COLUMN: { AggInfo *pAggInfo = pExpr->pAggInfo; struct AggInfo_col *pCol = &pAggInfo->aCol[pExpr->iAgg]; if( !pAggInfo->directMode ){ assert( pCol->iMem>0 ); return pCol->iMem; }else if( pAggInfo->useSortingIdx ){ Table *pTab = pCol->pTab; sqlite3VdbeAddOp3(v, OP_Column, pAggInfo->sortingIdxPTab, pCol->iSorterColumn, target); if( pCol->iColumn<0 ){ VdbeComment((v,"%s.rowid",pTab->zName)); }else{ VdbeComment((v,"%s.%s",pTab->zName,pTab->aCol[pCol->iColumn].zName)); if( pTab->aCol[pCol->iColumn].affinity==SQLITE_AFF_REAL ){ sqlite3VdbeAddOp1(v, OP_RealAffinity, target); } } return target; } /* Otherwise, fall thru into the TK_COLUMN case */ } case TK_COLUMN: { int iTab = pExpr->iTable; int iReg; |
︙ | ︙ | |||
102547 102548 102549 102550 102551 102552 102553 102554 102555 102556 102557 102558 102559 102560 | codeReal(v, pLeft->u.zToken, 1, target); return target; #endif }else{ tempX.op = TK_INTEGER; tempX.flags = EP_IntValue|EP_TokenOnly; tempX.u.iValue = 0; r1 = sqlite3ExprCodeTemp(pParse, &tempX, ®Free1); r2 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free2); sqlite3VdbeAddOp3(v, OP_Subtract, r2, r1, target); testcase( regFree2==0 ); } break; } | > | 102609 102610 102611 102612 102613 102614 102615 102616 102617 102618 102619 102620 102621 102622 102623 | codeReal(v, pLeft->u.zToken, 1, target); return target; #endif }else{ tempX.op = TK_INTEGER; tempX.flags = EP_IntValue|EP_TokenOnly; tempX.u.iValue = 0; ExprClearVVAProperties(&tempX); r1 = sqlite3ExprCodeTemp(pParse, &tempX, ®Free1); r2 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, ®Free2); sqlite3VdbeAddOp3(v, OP_Subtract, r2, r1, target); testcase( regFree2==0 ); } break; } |
︙ | ︙ | |||
102618 102619 102620 102621 102622 102623 102624 | #ifndef SQLITE_OMIT_WINDOWFUNC if( ExprHasProperty(pExpr, EP_WinFunc) ){ return pExpr->y.pWin->regResult; } #endif if( ConstFactorOk(pParse) && sqlite3ExprIsConstantNotJoin(pExpr) ){ | | | | | < < | < | 102681 102682 102683 102684 102685 102686 102687 102688 102689 102690 102691 102692 102693 102694 102695 102696 102697 102698 102699 102700 102701 | #ifndef SQLITE_OMIT_WINDOWFUNC if( ExprHasProperty(pExpr, EP_WinFunc) ){ return pExpr->y.pWin->regResult; } #endif if( ConstFactorOk(pParse) && sqlite3ExprIsConstantNotJoin(pExpr) ){ /* SQL functions can be expensive. So try to avoid running them ** multiple times if we know they always give the same result */ return sqlite3ExprCodeRunJustOnce(pParse, pExpr, -1); } assert( !ExprHasProperty(pExpr, EP_xIsSelect) ); assert( !ExprHasProperty(pExpr, EP_TokenOnly) ); pFarg = pExpr->x.pList; nFarg = pFarg ? pFarg->nExpr : 0; assert( !ExprHasProperty(pExpr, EP_IntValue) ); zId = pExpr->u.zToken; pDef = sqlite3FindFunction(db, zId, nFarg, enc, 0); #ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION if( pDef==0 && pParse->explain ){ pDef = sqlite3FindFunction(db, "unknown", nFarg, enc, 0); |
︙ | ︙ | |||
103001 103002 103003 103004 103005 103006 103007 | } sqlite3ReleaseTempReg(pParse, regFree1); sqlite3ReleaseTempReg(pParse, regFree2); return inReg; } /* | | > > > > > > | | > > | > > > > > > > > > > > > > > | | | | | | | | > | 103061 103062 103063 103064 103065 103066 103067 103068 103069 103070 103071 103072 103073 103074 103075 103076 103077 103078 103079 103080 103081 103082 103083 103084 103085 103086 103087 103088 103089 103090 103091 103092 103093 103094 103095 103096 103097 103098 103099 103100 103101 103102 103103 103104 103105 103106 103107 103108 103109 103110 103111 103112 103113 103114 103115 103116 103117 103118 103119 103120 103121 103122 103123 103124 103125 103126 103127 103128 103129 103130 103131 | } sqlite3ReleaseTempReg(pParse, regFree1); sqlite3ReleaseTempReg(pParse, regFree2); return inReg; } /* ** Generate code that will evaluate expression pExpr just one time ** per prepared statement execution. ** ** If the expression uses functions (that might throw an exception) then ** guard them with an OP_Once opcode to ensure that the code is only executed ** once. If no functions are involved, then factor the code out and put it at ** the end of the prepared statement in the initialization section. ** ** If regDest>=0 then the result is always stored in that register and the ** result is not reusable. If regDest<0 then this routine is free to ** store the value whereever it wants. The register where the expression ** is stored is returned. When regDest<0, two identical expressions might ** code to the same register, if they do not contain function calls and hence ** are factored out into the initialization section at the end of the ** prepared statement. */ SQLITE_PRIVATE int sqlite3ExprCodeRunJustOnce( Parse *pParse, /* Parsing context */ Expr *pExpr, /* The expression to code when the VDBE initializes */ int regDest /* Store the value in this register */ ){ ExprList *p; assert( ConstFactorOk(pParse) ); p = pParse->pConstExpr; if( regDest<0 && p ){ struct ExprList_item *pItem; int i; for(pItem=p->a, i=p->nExpr; i>0; pItem++, i--){ if( pItem->reusable && sqlite3ExprCompare(0,pItem->pExpr,pExpr,-1)==0 ){ return pItem->u.iConstExprReg; } } } pExpr = sqlite3ExprDup(pParse->db, pExpr, 0); if( pExpr!=0 && ExprHasProperty(pExpr, EP_HasFunc) ){ Vdbe *v = pParse->pVdbe; int addr; assert( v ); addr = sqlite3VdbeAddOp0(v, OP_Once); VdbeCoverage(v); pParse->okConstFactor = 0; if( !pParse->db->mallocFailed ){ if( regDest<0 ) regDest = ++pParse->nMem; sqlite3ExprCode(pParse, pExpr, regDest); } pParse->okConstFactor = 1; sqlite3ExprDelete(pParse->db, pExpr); sqlite3VdbeJumpHere(v, addr); }else{ p = sqlite3ExprListAppend(pParse, p, pExpr); if( p ){ struct ExprList_item *pItem = &p->a[p->nExpr-1]; pItem->reusable = regDest<0; if( regDest<0 ) regDest = ++pParse->nMem; pItem->u.iConstExprReg = regDest; } pParse->pConstExpr = p; } return regDest; } /* ** Generate code to evaluate an expression and store the results ** into a register. Return the register number where the results ** are stored. |
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103059 103060 103061 103062 103063 103064 103065 | int r2; pExpr = sqlite3ExprSkipCollateAndLikely(pExpr); if( ConstFactorOk(pParse) && pExpr->op!=TK_REGISTER && sqlite3ExprIsConstantNotJoin(pExpr) ){ *pReg = 0; | | | 103142 103143 103144 103145 103146 103147 103148 103149 103150 103151 103152 103153 103154 103155 103156 | int r2; pExpr = sqlite3ExprSkipCollateAndLikely(pExpr); if( ConstFactorOk(pParse) && pExpr->op!=TK_REGISTER && sqlite3ExprIsConstantNotJoin(pExpr) ){ *pReg = 0; r2 = sqlite3ExprCodeRunJustOnce(pParse, pExpr, -1); }else{ int r1 = sqlite3GetTempReg(pParse); r2 = sqlite3ExprCodeTarget(pParse, pExpr, r1); if( r2==r1 ){ *pReg = r1; }else{ sqlite3ReleaseTempReg(pParse, r1); |
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103081 103082 103083 103084 103085 103086 103087 103088 103089 103090 103091 103092 103093 103094 | ** Generate code that will evaluate expression pExpr and store the ** results in register target. The results are guaranteed to appear ** in register target. */ SQLITE_PRIVATE void sqlite3ExprCode(Parse *pParse, Expr *pExpr, int target){ int inReg; assert( target>0 && target<=pParse->nMem ); inReg = sqlite3ExprCodeTarget(pParse, pExpr, target); assert( pParse->pVdbe!=0 || pParse->db->mallocFailed ); if( inReg!=target && pParse->pVdbe ){ u8 op; if( ExprHasProperty(pExpr,EP_Subquery) ){ op = OP_Copy; | > | 103164 103165 103166 103167 103168 103169 103170 103171 103172 103173 103174 103175 103176 103177 103178 | ** Generate code that will evaluate expression pExpr and store the ** results in register target. The results are guaranteed to appear ** in register target. */ SQLITE_PRIVATE void sqlite3ExprCode(Parse *pParse, Expr *pExpr, int target){ int inReg; assert( pExpr==0 || !ExprHasVVAProperty(pExpr,EP_Immutable) ); assert( target>0 && target<=pParse->nMem ); inReg = sqlite3ExprCodeTarget(pParse, pExpr, target); assert( pParse->pVdbe!=0 || pParse->db->mallocFailed ); if( inReg!=target && pParse->pVdbe ){ u8 op; if( ExprHasProperty(pExpr,EP_Subquery) ){ op = OP_Copy; |
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103115 103116 103117 103118 103119 103120 103121 | ** Generate code that will evaluate expression pExpr and store the ** results in register target. The results are guaranteed to appear ** in register target. If the expression is constant, then this routine ** might choose to code the expression at initialization time. */ SQLITE_PRIVATE void sqlite3ExprCodeFactorable(Parse *pParse, Expr *pExpr, int target){ if( pParse->okConstFactor && sqlite3ExprIsConstantNotJoin(pExpr) ){ | | | | 103199 103200 103201 103202 103203 103204 103205 103206 103207 103208 103209 103210 103211 103212 103213 103214 103215 | ** Generate code that will evaluate expression pExpr and store the ** results in register target. The results are guaranteed to appear ** in register target. If the expression is constant, then this routine ** might choose to code the expression at initialization time. */ SQLITE_PRIVATE void sqlite3ExprCodeFactorable(Parse *pParse, Expr *pExpr, int target){ if( pParse->okConstFactor && sqlite3ExprIsConstantNotJoin(pExpr) ){ sqlite3ExprCodeRunJustOnce(pParse, pExpr, target); }else{ sqlite3ExprCodeCopy(pParse, pExpr, target); } } /* ** Generate code that pushes the value of every element of the given ** expression list into a sequence of registers beginning at target. ** |
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103175 103176 103177 103178 103179 103180 103181 | n--; }else{ sqlite3VdbeAddOp2(v, copyOp, j+srcReg-1, target+i); } }else if( (flags & SQLITE_ECEL_FACTOR)!=0 && sqlite3ExprIsConstantNotJoin(pExpr) ){ | | | 103259 103260 103261 103262 103263 103264 103265 103266 103267 103268 103269 103270 103271 103272 103273 | n--; }else{ sqlite3VdbeAddOp2(v, copyOp, j+srcReg-1, target+i); } }else if( (flags & SQLITE_ECEL_FACTOR)!=0 && sqlite3ExprIsConstantNotJoin(pExpr) ){ sqlite3ExprCodeRunJustOnce(pParse, pExpr, target+i); }else{ int inReg = sqlite3ExprCodeTarget(pParse, pExpr, target+i); if( inReg!=target+i ){ VdbeOp *pOp; if( copyOp==OP_Copy && (pOp=sqlite3VdbeGetOp(v, -1))->opcode==OP_Copy && pOp->p1+pOp->p3+1==inReg |
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103298 103299 103300 103301 103302 103303 103304 103305 103306 103307 103308 103309 103310 103311 | int regFree1 = 0; int regFree2 = 0; int r1, r2; assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 ); if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( NEVER(pExpr==0) ) return; /* No way this can happen */ op = pExpr->op; switch( op ){ case TK_AND: case TK_OR: { Expr *pAlt = sqlite3ExprSimplifiedAndOr(pExpr); if( pAlt!=pExpr ){ sqlite3ExprIfTrue(pParse, pAlt, dest, jumpIfNull); | > | 103382 103383 103384 103385 103386 103387 103388 103389 103390 103391 103392 103393 103394 103395 103396 | int regFree1 = 0; int regFree2 = 0; int r1, r2; assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 ); if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( NEVER(pExpr==0) ) return; /* No way this can happen */ assert( !ExprHasVVAProperty(pExpr, EP_Immutable) ); op = pExpr->op; switch( op ){ case TK_AND: case TK_OR: { Expr *pAlt = sqlite3ExprSimplifiedAndOr(pExpr); if( pAlt!=pExpr ){ sqlite3ExprIfTrue(pParse, pAlt, dest, jumpIfNull); |
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103439 103440 103441 103442 103443 103444 103445 103446 103447 103448 103449 103450 103451 103452 | int regFree1 = 0; int regFree2 = 0; int r1, r2; assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 ); if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( pExpr==0 ) return; /* The value of pExpr->op and op are related as follows: ** ** pExpr->op op ** --------- ---------- ** TK_ISNULL OP_NotNull ** TK_NOTNULL OP_IsNull | > | 103524 103525 103526 103527 103528 103529 103530 103531 103532 103533 103534 103535 103536 103537 103538 | int regFree1 = 0; int regFree2 = 0; int r1, r2; assert( jumpIfNull==SQLITE_JUMPIFNULL || jumpIfNull==0 ); if( NEVER(v==0) ) return; /* Existence of VDBE checked by caller */ if( pExpr==0 ) return; assert( !ExprHasVVAProperty(pExpr,EP_Immutable) ); /* The value of pExpr->op and op are related as follows: ** ** pExpr->op op ** --------- ---------- ** TK_ISNULL OP_NotNull ** TK_NOTNULL OP_IsNull |
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103722 103723 103724 103725 103726 103727 103728 | if( sqlite3_stricmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; }else if( ALWAYS(pB->u.zToken!=0) && strcmp(pA->u.zToken,pB->u.zToken)!=0 ){ return 2; } } if( (pA->flags & (EP_Distinct|EP_Commuted)) != (pB->flags & (EP_Distinct|EP_Commuted)) ) return 2; | | | | < < < < < < < < < < < < < < | 103808 103809 103810 103811 103812 103813 103814 103815 103816 103817 103818 103819 103820 103821 103822 103823 103824 103825 103826 103827 103828 103829 103830 103831 103832 103833 | if( sqlite3_stricmp(pA->u.zToken,pB->u.zToken)!=0 ) return 2; }else if( ALWAYS(pB->u.zToken!=0) && strcmp(pA->u.zToken,pB->u.zToken)!=0 ){ return 2; } } if( (pA->flags & (EP_Distinct|EP_Commuted)) != (pB->flags & (EP_Distinct|EP_Commuted)) ) return 2; if( ALWAYS((combinedFlags & EP_TokenOnly)==0) ){ if( combinedFlags & EP_xIsSelect ) return 2; if( (combinedFlags & EP_FixedCol)==0 && sqlite3ExprCompare(pParse, pA->pLeft, pB->pLeft, iTab) ) return 2; if( sqlite3ExprCompare(pParse, pA->pRight, pB->pRight, iTab) ) return 2; if( sqlite3ExprListCompare(pA->x.pList, pB->x.pList, iTab) ) return 2; if( pA->op!=TK_STRING && pA->op!=TK_TRUEFALSE && ALWAYS((combinedFlags & EP_Reduced)==0) ){ if( pA->iColumn!=pB->iColumn ) return 2; if( pA->op2!=pB->op2 && pA->op==TK_TRUTH ) return 2; if( pA->op!=TK_IN && pA->iTable!=pB->iTable && pA->iTable!=iTab ){ return 2; } } } return 0; } |
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106440 106441 106442 106443 106444 106445 106446 | #endif /* ** Three SQL functions - stat_init(), stat_push(), and stat_get() - ** share an instance of the following structure to hold their state ** information. */ | | | | | > < > > > < | | | | | | | | | | | | 106512 106513 106514 106515 106516 106517 106518 106519 106520 106521 106522 106523 106524 106525 106526 106527 106528 106529 106530 106531 106532 106533 106534 106535 106536 106537 106538 106539 106540 106541 106542 106543 106544 106545 106546 106547 106548 106549 106550 106551 106552 106553 106554 106555 106556 106557 106558 106559 106560 106561 106562 106563 106564 106565 106566 106567 106568 106569 106570 106571 106572 106573 106574 106575 106576 106577 106578 106579 106580 106581 106582 106583 106584 106585 106586 106587 106588 106589 106590 106591 106592 106593 106594 106595 106596 106597 106598 106599 106600 106601 106602 106603 106604 106605 106606 106607 106608 106609 106610 106611 106612 106613 106614 106615 106616 106617 106618 106619 106620 106621 106622 106623 106624 106625 | #endif /* ** Three SQL functions - stat_init(), stat_push(), and stat_get() - ** share an instance of the following structure to hold their state ** information. */ typedef struct StatAccum StatAccum; typedef struct StatSample StatSample; struct StatSample { tRowcnt *anEq; /* sqlite_stat4.nEq */ tRowcnt *anDLt; /* sqlite_stat4.nDLt */ #ifdef SQLITE_ENABLE_STAT4 tRowcnt *anLt; /* sqlite_stat4.nLt */ union { i64 iRowid; /* Rowid in main table of the key */ u8 *aRowid; /* Key for WITHOUT ROWID tables */ } u; u32 nRowid; /* Sizeof aRowid[] */ u8 isPSample; /* True if a periodic sample */ int iCol; /* If !isPSample, the reason for inclusion */ u32 iHash; /* Tiebreaker hash */ #endif }; struct StatAccum { sqlite3 *db; /* Database connection, for malloc() */ tRowcnt nRow; /* Number of rows in the entire table */ int nCol; /* Number of columns in index + pk/rowid */ int nKeyCol; /* Number of index columns w/o the pk/rowid */ StatSample current; /* Current row as a StatSample */ #ifdef SQLITE_ENABLE_STAT4 tRowcnt nPSample; /* How often to do a periodic sample */ int mxSample; /* Maximum number of samples to accumulate */ u32 iPrn; /* Pseudo-random number used for sampling */ StatSample *aBest; /* Array of nCol best samples */ int iMin; /* Index in a[] of entry with minimum score */ int nSample; /* Current number of samples */ int nMaxEqZero; /* Max leading 0 in anEq[] for any a[] entry */ int iGet; /* Index of current sample accessed by stat_get() */ StatSample *a; /* Array of mxSample StatSample objects */ #endif }; /* Reclaim memory used by a StatSample */ #ifdef SQLITE_ENABLE_STAT4 static void sampleClear(sqlite3 *db, StatSample *p){ assert( db!=0 ); if( p->nRowid ){ sqlite3DbFree(db, p->u.aRowid); p->nRowid = 0; } } #endif /* Initialize the BLOB value of a ROWID */ #ifdef SQLITE_ENABLE_STAT4 static void sampleSetRowid(sqlite3 *db, StatSample *p, int n, const u8 *pData){ assert( db!=0 ); if( p->nRowid ) sqlite3DbFree(db, p->u.aRowid); p->u.aRowid = sqlite3DbMallocRawNN(db, n); if( p->u.aRowid ){ p->nRowid = n; memcpy(p->u.aRowid, pData, n); }else{ p->nRowid = 0; } } #endif /* Initialize the INTEGER value of a ROWID. */ #ifdef SQLITE_ENABLE_STAT4 static void sampleSetRowidInt64(sqlite3 *db, StatSample *p, i64 iRowid){ assert( db!=0 ); if( p->nRowid ) sqlite3DbFree(db, p->u.aRowid); p->nRowid = 0; p->u.iRowid = iRowid; } #endif /* ** Copy the contents of object (*pFrom) into (*pTo). */ #ifdef SQLITE_ENABLE_STAT4 static void sampleCopy(StatAccum *p, StatSample *pTo, StatSample *pFrom){ pTo->isPSample = pFrom->isPSample; pTo->iCol = pFrom->iCol; pTo->iHash = pFrom->iHash; memcpy(pTo->anEq, pFrom->anEq, sizeof(tRowcnt)*p->nCol); memcpy(pTo->anLt, pFrom->anLt, sizeof(tRowcnt)*p->nCol); memcpy(pTo->anDLt, pFrom->anDLt, sizeof(tRowcnt)*p->nCol); if( pFrom->nRowid ){ sampleSetRowid(p->db, pTo, pFrom->nRowid, pFrom->u.aRowid); }else{ sampleSetRowidInt64(p->db, pTo, pFrom->u.iRowid); } } #endif /* ** Reclaim all memory of a StatAccum structure. */ static void statAccumDestructor(void *pOld){ StatAccum *p = (StatAccum*)pOld; #ifdef SQLITE_ENABLE_STAT4 int i; for(i=0; i<p->nCol; i++) sampleClear(p->db, p->aBest+i); for(i=0; i<p->mxSample; i++) sampleClear(p->db, p->a+i); sampleClear(p->db, &p->current); #endif sqlite3DbFree(p->db, p); |
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106565 106566 106567 106568 106569 106570 106571 | ** Note 2: C is only used for STAT4. ** ** For indexes on ordinary rowid tables, N==K+1. But for indexes on ** WITHOUT ROWID tables, N=K+P where P is the number of columns in the ** PRIMARY KEY of the table. The covering index that implements the ** original WITHOUT ROWID table as N==K as a special case. ** | | | | | | | | | | | 106639 106640 106641 106642 106643 106644 106645 106646 106647 106648 106649 106650 106651 106652 106653 106654 106655 106656 106657 106658 106659 106660 106661 106662 106663 106664 106665 106666 106667 106668 106669 106670 106671 106672 106673 106674 106675 106676 106677 106678 106679 106680 106681 106682 106683 106684 106685 106686 106687 106688 | ** Note 2: C is only used for STAT4. ** ** For indexes on ordinary rowid tables, N==K+1. But for indexes on ** WITHOUT ROWID tables, N=K+P where P is the number of columns in the ** PRIMARY KEY of the table. The covering index that implements the ** original WITHOUT ROWID table as N==K as a special case. ** ** This routine allocates the StatAccum object in heap memory. The return ** value is a pointer to the StatAccum object. The datatype of the ** return value is BLOB, but it is really just a pointer to the StatAccum ** object. */ static void statInit( sqlite3_context *context, int argc, sqlite3_value **argv ){ StatAccum *p; int nCol; /* Number of columns in index being sampled */ int nKeyCol; /* Number of key columns */ int nColUp; /* nCol rounded up for alignment */ int n; /* Bytes of space to allocate */ sqlite3 *db; /* Database connection */ #ifdef SQLITE_ENABLE_STAT4 int mxSample = SQLITE_STAT4_SAMPLES; #endif /* Decode the three function arguments */ UNUSED_PARAMETER(argc); nCol = sqlite3_value_int(argv[0]); assert( nCol>0 ); nColUp = sizeof(tRowcnt)<8 ? (nCol+1)&~1 : nCol; nKeyCol = sqlite3_value_int(argv[1]); assert( nKeyCol<=nCol ); assert( nKeyCol>0 ); /* Allocate the space required for the StatAccum object */ n = sizeof(*p) + sizeof(tRowcnt)*nColUp /* StatAccum.anEq */ + sizeof(tRowcnt)*nColUp /* StatAccum.anDLt */ #ifdef SQLITE_ENABLE_STAT4 + sizeof(tRowcnt)*nColUp /* StatAccum.anLt */ + sizeof(StatSample)*(nCol+mxSample) /* StatAccum.aBest[], a[] */ + sizeof(tRowcnt)*3*nColUp*(nCol+mxSample) #endif ; db = sqlite3_context_db_handle(context); p = sqlite3DbMallocZero(db, n); if( p==0 ){ sqlite3_result_error_nomem(context); |
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106629 106630 106631 106632 106633 106634 106635 | p->iGet = -1; p->mxSample = mxSample; p->nPSample = (tRowcnt)(sqlite3_value_int64(argv[2])/(mxSample/3+1) + 1); p->current.anLt = &p->current.anEq[nColUp]; p->iPrn = 0x689e962d*(u32)nCol ^ 0xd0944565*(u32)sqlite3_value_int(argv[2]); | | | | | 106703 106704 106705 106706 106707 106708 106709 106710 106711 106712 106713 106714 106715 106716 106717 106718 106719 106720 106721 106722 106723 106724 106725 106726 106727 106728 106729 106730 106731 106732 106733 106734 106735 106736 106737 106738 | p->iGet = -1; p->mxSample = mxSample; p->nPSample = (tRowcnt)(sqlite3_value_int64(argv[2])/(mxSample/3+1) + 1); p->current.anLt = &p->current.anEq[nColUp]; p->iPrn = 0x689e962d*(u32)nCol ^ 0xd0944565*(u32)sqlite3_value_int(argv[2]); /* Set up the StatAccum.a[] and aBest[] arrays */ p->a = (struct StatSample*)&p->current.anLt[nColUp]; p->aBest = &p->a[mxSample]; pSpace = (u8*)(&p->a[mxSample+nCol]); for(i=0; i<(mxSample+nCol); i++){ p->a[i].anEq = (tRowcnt *)pSpace; pSpace += (sizeof(tRowcnt) * nColUp); p->a[i].anLt = (tRowcnt *)pSpace; pSpace += (sizeof(tRowcnt) * nColUp); p->a[i].anDLt = (tRowcnt *)pSpace; pSpace += (sizeof(tRowcnt) * nColUp); } assert( (pSpace - (u8*)p)==n ); for(i=0; i<nCol; i++){ p->aBest[i].iCol = i; } } #endif /* Return a pointer to the allocated object to the caller. Note that ** only the pointer (the 2nd parameter) matters. The size of the object ** (given by the 3rd parameter) is never used and can be any positive ** value. */ sqlite3_result_blob(context, p, sizeof(*p), statAccumDestructor); } static const FuncDef statInitFuncdef = { 2+IsStat4, /* nArg */ SQLITE_UTF8, /* funcFlags */ 0, /* pUserData */ 0, /* pNext */ statInit, /* xSFunc */ |
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106677 106678 106679 106680 106681 106682 106683 | ** In other words, if we assume that the cardinalities of the selected ** column for pNew and pOld are equal, is pNew to be preferred over pOld. ** ** This function assumes that for each argument sample, the contents of ** the anEq[] array from pSample->anEq[pSample->iCol+1] onwards are valid. */ static int sampleIsBetterPost( | | | | | 106751 106752 106753 106754 106755 106756 106757 106758 106759 106760 106761 106762 106763 106764 106765 106766 106767 | ** In other words, if we assume that the cardinalities of the selected ** column for pNew and pOld are equal, is pNew to be preferred over pOld. ** ** This function assumes that for each argument sample, the contents of ** the anEq[] array from pSample->anEq[pSample->iCol+1] onwards are valid. */ static int sampleIsBetterPost( StatAccum *pAccum, StatSample *pNew, StatSample *pOld ){ int nCol = pAccum->nCol; int i; assert( pNew->iCol==pOld->iCol ); for(i=pNew->iCol+1; i<nCol; i++){ if( pNew->anEq[i]>pOld->anEq[i] ) return 1; if( pNew->anEq[i]<pOld->anEq[i] ) return 0; |
︙ | ︙ | |||
106701 106702 106703 106704 106705 106706 106707 | /* ** Return true if pNew is to be preferred over pOld. ** ** This function assumes that for each argument sample, the contents of ** the anEq[] array from pSample->anEq[pSample->iCol] onwards are valid. */ static int sampleIsBetter( | | | | | | | | | | | | | 106775 106776 106777 106778 106779 106780 106781 106782 106783 106784 106785 106786 106787 106788 106789 106790 106791 106792 106793 106794 106795 106796 106797 106798 106799 106800 106801 106802 106803 106804 106805 106806 106807 106808 106809 106810 106811 106812 106813 106814 106815 106816 106817 106818 106819 106820 106821 106822 106823 106824 106825 106826 106827 106828 106829 106830 106831 106832 106833 106834 106835 106836 106837 106838 106839 106840 106841 106842 106843 106844 106845 106846 106847 106848 106849 106850 106851 106852 106853 | /* ** Return true if pNew is to be preferred over pOld. ** ** This function assumes that for each argument sample, the contents of ** the anEq[] array from pSample->anEq[pSample->iCol] onwards are valid. */ static int sampleIsBetter( StatAccum *pAccum, StatSample *pNew, StatSample *pOld ){ tRowcnt nEqNew = pNew->anEq[pNew->iCol]; tRowcnt nEqOld = pOld->anEq[pOld->iCol]; assert( pOld->isPSample==0 && pNew->isPSample==0 ); assert( IsStat4 || (pNew->iCol==0 && pOld->iCol==0) ); if( (nEqNew>nEqOld) ) return 1; if( nEqNew==nEqOld ){ if( pNew->iCol<pOld->iCol ) return 1; return (pNew->iCol==pOld->iCol && sampleIsBetterPost(pAccum, pNew, pOld)); } return 0; } /* ** Copy the contents of sample *pNew into the p->a[] array. If necessary, ** remove the least desirable sample from p->a[] to make room. */ static void sampleInsert(StatAccum *p, StatSample *pNew, int nEqZero){ StatSample *pSample = 0; int i; assert( IsStat4 || nEqZero==0 ); /* StatAccum.nMaxEqZero is set to the maximum number of leading 0 ** values in the anEq[] array of any sample in StatAccum.a[]. In ** other words, if nMaxEqZero is n, then it is guaranteed that there ** are no samples with StatSample.anEq[m]==0 for (m>=n). */ if( nEqZero>p->nMaxEqZero ){ p->nMaxEqZero = nEqZero; } if( pNew->isPSample==0 ){ StatSample *pUpgrade = 0; assert( pNew->anEq[pNew->iCol]>0 ); /* This sample is being added because the prefix that ends in column ** iCol occurs many times in the table. However, if we have already ** added a sample that shares this prefix, there is no need to add ** this one. Instead, upgrade the priority of the highest priority ** existing sample that shares this prefix. */ for(i=p->nSample-1; i>=0; i--){ StatSample *pOld = &p->a[i]; if( pOld->anEq[pNew->iCol]==0 ){ if( pOld->isPSample ) return; assert( pOld->iCol>pNew->iCol ); assert( sampleIsBetter(p, pNew, pOld) ); if( pUpgrade==0 || sampleIsBetter(p, pOld, pUpgrade) ){ pUpgrade = pOld; } } } if( pUpgrade ){ pUpgrade->iCol = pNew->iCol; pUpgrade->anEq[pUpgrade->iCol] = pNew->anEq[pUpgrade->iCol]; goto find_new_min; } } /* If necessary, remove sample iMin to make room for the new sample. */ if( p->nSample>=p->mxSample ){ StatSample *pMin = &p->a[p->iMin]; tRowcnt *anEq = pMin->anEq; tRowcnt *anLt = pMin->anLt; tRowcnt *anDLt = pMin->anDLt; sampleClear(p->db, pMin); memmove(pMin, &pMin[1], sizeof(p->a[0])*(p->nSample-p->iMin-1)); pSample = &p->a[p->nSample-1]; pSample->nRowid = 0; |
︙ | ︙ | |||
106808 106809 106810 106811 106812 106813 106814 106815 106816 106817 106818 106819 106820 | } assert( iMin>=0 ); p->iMin = iMin; } } #endif /* SQLITE_ENABLE_STAT4 */ /* ** Field iChng of the index being scanned has changed. So at this point ** p->current contains a sample that reflects the previous row of the ** index. The value of anEq[iChng] and subsequent anEq[] elements are ** correct at this point. */ | > | < | | 106882 106883 106884 106885 106886 106887 106888 106889 106890 106891 106892 106893 106894 106895 106896 106897 106898 106899 106900 106901 106902 106903 106904 106905 106906 106907 106908 106909 | } assert( iMin>=0 ); p->iMin = iMin; } } #endif /* SQLITE_ENABLE_STAT4 */ #ifdef SQLITE_ENABLE_STAT4 /* ** Field iChng of the index being scanned has changed. So at this point ** p->current contains a sample that reflects the previous row of the ** index. The value of anEq[iChng] and subsequent anEq[] elements are ** correct at this point. */ static void samplePushPrevious(StatAccum *p, int iChng){ int i; /* Check if any samples from the aBest[] array should be pushed ** into IndexSample.a[] at this point. */ for(i=(p->nCol-2); i>=iChng; i--){ StatSample *pBest = &p->aBest[i]; pBest->anEq[i] = p->current.anEq[i]; if( p->nSample<p->mxSample || sampleIsBetter(p, pBest, &p->a[p->iMin]) ){ sampleInsert(p, pBest, i); } } /* Check that no sample contains an anEq[] entry with an index of |
︙ | ︙ | |||
106845 106846 106847 106848 106849 106850 106851 | int j; for(j=iChng; j<p->nCol; j++){ if( p->a[i].anEq[j]==0 ) p->a[i].anEq[j] = p->current.anEq[j]; } } p->nMaxEqZero = iChng; } | < | | < < < < | | | > > | 106919 106920 106921 106922 106923 106924 106925 106926 106927 106928 106929 106930 106931 106932 106933 106934 106935 106936 106937 106938 106939 106940 106941 106942 106943 106944 106945 106946 106947 106948 106949 106950 106951 106952 106953 106954 106955 106956 106957 106958 106959 106960 106961 106962 106963 106964 106965 106966 106967 106968 106969 106970 106971 106972 106973 106974 106975 | int j; for(j=iChng; j<p->nCol; j++){ if( p->a[i].anEq[j]==0 ) p->a[i].anEq[j] = p->current.anEq[j]; } } p->nMaxEqZero = iChng; } } #endif /* SQLITE_ENABLE_STAT4 */ /* ** Implementation of the stat_push SQL function: stat_push(P,C,R) ** Arguments: ** ** P Pointer to the StatAccum object created by stat_init() ** C Index of left-most column to differ from previous row ** R Rowid for the current row. Might be a key record for ** WITHOUT ROWID tables. ** ** This SQL function always returns NULL. It's purpose it to accumulate ** statistical data and/or samples in the StatAccum object about the ** index being analyzed. The stat_get() SQL function will later be used to ** extract relevant information for constructing the sqlite_statN tables. ** ** The R parameter is only used for STAT4 */ static void statPush( sqlite3_context *context, int argc, sqlite3_value **argv ){ int i; /* The three function arguments */ StatAccum *p = (StatAccum*)sqlite3_value_blob(argv[0]); int iChng = sqlite3_value_int(argv[1]); UNUSED_PARAMETER( argc ); UNUSED_PARAMETER( context ); assert( p->nCol>0 ); assert( iChng<p->nCol ); if( p->nRow==0 ){ /* This is the first call to this function. Do initialization. */ for(i=0; i<p->nCol; i++) p->current.anEq[i] = 1; }else{ /* Second and subsequent calls get processed here */ #ifdef SQLITE_ENABLE_STAT4 samplePushPrevious(p, iChng); #endif /* Update anDLt[], anLt[] and anEq[] to reflect the values that apply ** to the current row of the index. */ for(i=0; i<iChng; i++){ p->current.anEq[i]++; } for(i=iChng; i<p->nCol; i++){ |
︙ | ︙ | |||
106959 106960 106961 106962 106963 106964 106965 | #define STAT_GET_NEQ 2 /* "neq" column of stat[34] entry */ #define STAT_GET_NLT 3 /* "nlt" column of stat[34] entry */ #define STAT_GET_NDLT 4 /* "ndlt" column of stat[34] entry */ /* ** Implementation of the stat_get(P,J) SQL function. This routine is ** used to query statistical information that has been gathered into | | | | | | | 107030 107031 107032 107033 107034 107035 107036 107037 107038 107039 107040 107041 107042 107043 107044 107045 107046 107047 107048 107049 107050 107051 107052 107053 107054 107055 107056 107057 107058 107059 107060 107061 107062 107063 107064 107065 107066 107067 107068 107069 107070 107071 107072 107073 107074 107075 107076 107077 107078 107079 107080 107081 107082 107083 107084 107085 107086 | #define STAT_GET_NEQ 2 /* "neq" column of stat[34] entry */ #define STAT_GET_NLT 3 /* "nlt" column of stat[34] entry */ #define STAT_GET_NDLT 4 /* "ndlt" column of stat[34] entry */ /* ** Implementation of the stat_get(P,J) SQL function. This routine is ** used to query statistical information that has been gathered into ** the StatAccum object by prior calls to stat_push(). The P parameter ** has type BLOB but it is really just a pointer to the StatAccum object. ** The content to returned is determined by the parameter J ** which is one of the STAT_GET_xxxx values defined above. ** ** The stat_get(P,J) function is not available to generic SQL. It is ** inserted as part of a manually constructed bytecode program. (See ** the callStatGet() routine below.) It is guaranteed that the P ** parameter will always be a pointer to a StatAccum object, never a ** NULL. ** ** If STAT4 is not enabled, then J is always ** STAT_GET_STAT1 and is hence omitted and this routine becomes ** a one-parameter function, stat_get(P), that always returns the ** stat1 table entry information. */ static void statGet( sqlite3_context *context, int argc, sqlite3_value **argv ){ StatAccum *p = (StatAccum*)sqlite3_value_blob(argv[0]); #ifdef SQLITE_ENABLE_STAT4 /* STAT4 has a parameter on this routine. */ int eCall = sqlite3_value_int(argv[1]); assert( argc==2 ); assert( eCall==STAT_GET_STAT1 || eCall==STAT_GET_NEQ || eCall==STAT_GET_ROWID || eCall==STAT_GET_NLT || eCall==STAT_GET_NDLT ); if( eCall==STAT_GET_STAT1 ) #else assert( argc==1 ); #endif { /* Return the value to store in the "stat" column of the sqlite_stat1 ** table for this index. ** ** The value is a string composed of a list of integers describing ** the index. The first integer in the list is the total number of ** entries in the index. There is one additional integer in the list ** for each indexed column. This additional integer is an estimate of ** the number of rows matched by a equality query on the index using ** a key with the corresponding number of fields. In other words, ** if the index is on columns (a,b) and the sqlite_stat1 value is ** "100 10 2", then SQLite estimates that: ** ** * the index contains 100 rows, ** * "WHERE a=?" matches 10 rows, and ** * "WHERE a=? AND b=?" matches 2 rows. |
︙ | ︙ | |||
107044 107045 107046 107047 107048 107049 107050 | #ifdef SQLITE_ENABLE_STAT4 else if( eCall==STAT_GET_ROWID ){ if( p->iGet<0 ){ samplePushPrevious(p, 0); p->iGet = 0; } if( p->iGet<p->nSample ){ | | | 107115 107116 107117 107118 107119 107120 107121 107122 107123 107124 107125 107126 107127 107128 107129 | #ifdef SQLITE_ENABLE_STAT4 else if( eCall==STAT_GET_ROWID ){ if( p->iGet<0 ){ samplePushPrevious(p, 0); p->iGet = 0; } if( p->iGet<p->nSample ){ StatSample *pS = p->a + p->iGet; if( pS->nRowid==0 ){ sqlite3_result_int64(context, pS->u.iRowid); }else{ sqlite3_result_blob(context, pS->u.aRowid, pS->nRowid, SQLITE_TRANSIENT); } } |
︙ | ︙ | |||
107135 107136 107137 107138 107139 107140 107141 | int iTabCur; /* Table cursor */ Vdbe *v; /* The virtual machine being built up */ int i; /* Loop counter */ int jZeroRows = -1; /* Jump from here if number of rows is zero */ int iDb; /* Index of database containing pTab */ u8 needTableCnt = 1; /* True to count the table */ int regNewRowid = iMem++; /* Rowid for the inserted record */ | | | 107206 107207 107208 107209 107210 107211 107212 107213 107214 107215 107216 107217 107218 107219 107220 | int iTabCur; /* Table cursor */ Vdbe *v; /* The virtual machine being built up */ int i; /* Loop counter */ int jZeroRows = -1; /* Jump from here if number of rows is zero */ int iDb; /* Index of database containing pTab */ u8 needTableCnt = 1; /* True to count the table */ int regNewRowid = iMem++; /* Rowid for the inserted record */ int regStat4 = iMem++; /* Register to hold StatAccum object */ int regChng = iMem++; /* Index of changed index field */ #ifdef SQLITE_ENABLE_STAT4 int regRowid = iMem++; /* Rowid argument passed to stat_push() */ #endif int regTemp = iMem++; /* Temporary use register */ int regTabname = iMem++; /* Register containing table name */ int regIdxname = iMem++; /* Register containing index name */ |
︙ | ︙ | |||
108103 108104 108105 108106 108107 108108 108109 108110 108111 108112 108113 108114 108115 108116 | rc = sqlite3ResolveExprNames(pName, pExpr); }else{ pExpr->op = TK_STRING; } } return rc; } /* ** An SQL user-function registered to do the work of an ATTACH statement. The ** three arguments to the function come directly from an attach statement: ** ** ATTACH DATABASE x AS y KEY z ** | > > > > > > > > > > > | 108174 108175 108176 108177 108178 108179 108180 108181 108182 108183 108184 108185 108186 108187 108188 108189 108190 108191 108192 108193 108194 108195 108196 108197 108198 | rc = sqlite3ResolveExprNames(pName, pExpr); }else{ pExpr->op = TK_STRING; } } return rc; } /* ** Return true if zName points to a name that may be used to refer to ** database iDb attached to handle db. */ SQLITE_PRIVATE int sqlite3DbIsNamed(sqlite3 *db, int iDb, const char *zName){ return ( sqlite3StrICmp(db->aDb[iDb].zDbSName, zName)==0 || (iDb==0 && sqlite3StrICmp("main", zName)==0) ); } /* ** An SQL user-function registered to do the work of an ATTACH statement. The ** three arguments to the function come directly from an attach statement: ** ** ATTACH DATABASE x AS y KEY z ** |
︙ | ︙ | |||
108176 108177 108178 108179 108180 108181 108182 | if( db->nDb>=db->aLimit[SQLITE_LIMIT_ATTACHED]+2 ){ zErrDyn = sqlite3MPrintf(db, "too many attached databases - max %d", db->aLimit[SQLITE_LIMIT_ATTACHED] ); goto attach_error; } for(i=0; i<db->nDb; i++){ | < | | | 108258 108259 108260 108261 108262 108263 108264 108265 108266 108267 108268 108269 108270 108271 108272 108273 | if( db->nDb>=db->aLimit[SQLITE_LIMIT_ATTACHED]+2 ){ zErrDyn = sqlite3MPrintf(db, "too many attached databases - max %d", db->aLimit[SQLITE_LIMIT_ATTACHED] ); goto attach_error; } for(i=0; i<db->nDb; i++){ assert( zName ); if( sqlite3DbIsNamed(db, i, zName) ){ zErrDyn = sqlite3MPrintf(db, "database %s is already in use", zName); goto attach_error; } } /* Allocate the new entry in the db->aDb[] array and initialize the schema ** hash tables. |
︙ | ︙ | |||
108331 108332 108333 108334 108335 108336 108337 | UNUSED_PARAMETER(NotUsed); if( zName==0 ) zName = ""; for(i=0; i<db->nDb; i++){ pDb = &db->aDb[i]; if( pDb->pBt==0 ) continue; | | | 108412 108413 108414 108415 108416 108417 108418 108419 108420 108421 108422 108423 108424 108425 108426 | UNUSED_PARAMETER(NotUsed); if( zName==0 ) zName = ""; for(i=0; i<db->nDb; i++){ pDb = &db->aDb[i]; if( pDb->pBt==0 ) continue; if( sqlite3DbIsNamed(db, i, zName) ) break; } if( i>=db->nDb ){ sqlite3_snprintf(sizeof(zErr),zErr, "no such database: %s", zName); goto detach_error; } if( i<2 ){ |
︙ | ︙ | |||
108522 108523 108524 108525 108526 108527 108528 | ** checks out, these routines return 0. */ SQLITE_PRIVATE int sqlite3FixSrcList( DbFixer *pFix, /* Context of the fixation */ SrcList *pList /* The Source list to check and modify */ ){ int i; | < > > | | | | 108603 108604 108605 108606 108607 108608 108609 108610 108611 108612 108613 108614 108615 108616 108617 108618 108619 108620 108621 108622 108623 108624 108625 108626 108627 108628 108629 108630 108631 | ** checks out, these routines return 0. */ SQLITE_PRIVATE int sqlite3FixSrcList( DbFixer *pFix, /* Context of the fixation */ SrcList *pList /* The Source list to check and modify */ ){ int i; struct SrcList_item *pItem; sqlite3 *db = pFix->pParse->db; int iDb = sqlite3FindDbName(db, pFix->zDb); if( NEVER(pList==0) ) return 0; for(i=0, pItem=pList->a; i<pList->nSrc; i++, pItem++){ if( pFix->bTemp==0 ){ if( pItem->zDatabase && iDb!=sqlite3FindDbName(db, pItem->zDatabase) ){ sqlite3ErrorMsg(pFix->pParse, "%s %T cannot reference objects in database %s", pFix->zType, pFix->pName, pItem->zDatabase); return 1; } sqlite3DbFree(db, pItem->zDatabase); pItem->zDatabase = 0; pItem->pSchema = pFix->pSchema; pItem->fg.fromDDL = 1; } #if !defined(SQLITE_OMIT_VIEW) || !defined(SQLITE_OMIT_TRIGGER) if( sqlite3FixSelect(pFix, pItem->pSelect) ) return 1; if( sqlite3FixExpr(pFix, pItem->pOn) ) return 1; |
︙ | ︙ | |||
109260 109261 109262 109263 109264 109265 109266 | if( db->auth.authLevel<UAUTH_Admin && sqlite3UserAuthTable(zName)!=0 ){ return 0; } #endif while(1){ for(i=OMIT_TEMPDB; i<db->nDb; i++){ int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ | | | 109342 109343 109344 109345 109346 109347 109348 109349 109350 109351 109352 109353 109354 109355 109356 | if( db->auth.authLevel<UAUTH_Admin && sqlite3UserAuthTable(zName)!=0 ){ return 0; } #endif while(1){ for(i=OMIT_TEMPDB; i<db->nDb; i++){ int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ if( zDatabase==0 || sqlite3DbIsNamed(db, j, zDatabase) ){ assert( sqlite3SchemaMutexHeld(db, j, 0) ); p = sqlite3HashFind(&db->aDb[j].pSchema->tblHash, zName); if( p ) return p; } } /* Not found. If the name we were looking for was temp.sqlite_master ** then change the name to sqlite_temp_master and try again. */ |
︙ | ︙ | |||
109382 109383 109384 109385 109386 109387 109388 | int i; /* All mutexes are required for schema access. Make sure we hold them. */ assert( zDb!=0 || sqlite3BtreeHoldsAllMutexes(db) ); for(i=OMIT_TEMPDB; i<db->nDb; i++){ int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ Schema *pSchema = db->aDb[j].pSchema; assert( pSchema ); | | | 109464 109465 109466 109467 109468 109469 109470 109471 109472 109473 109474 109475 109476 109477 109478 | int i; /* All mutexes are required for schema access. Make sure we hold them. */ assert( zDb!=0 || sqlite3BtreeHoldsAllMutexes(db) ); for(i=OMIT_TEMPDB; i<db->nDb; i++){ int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ Schema *pSchema = db->aDb[j].pSchema; assert( pSchema ); if( zDb && sqlite3DbIsNamed(db, j, zDb)==0 ) continue; assert( sqlite3SchemaMutexHeld(db, j, 0) ); p = sqlite3HashFind(&pSchema->idxHash, zName); if( p ) break; } return p; } |
︙ | ︙ | |||
111101 111102 111103 111104 111105 111106 111107 111108 111109 111110 111111 111112 111113 111114 | pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->azModuleArg[0]); if( pMod==0 ) return 0; if( pMod->pModule->iVersion<3 ) return 0; if( pMod->pModule->xShadowName==0 ) return 0; return pMod->pModule->xShadowName(zTail+1); } #endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */ /* ** This routine is called to report the final ")" that terminates ** a CREATE TABLE statement. ** ** The table structure that other action routines have been building ** is added to the internal hash tables, assuming no errors have | > > > > > > > > > > > > > > > > > > > > > > > > > > | 111183 111184 111185 111186 111187 111188 111189 111190 111191 111192 111193 111194 111195 111196 111197 111198 111199 111200 111201 111202 111203 111204 111205 111206 111207 111208 111209 111210 111211 111212 111213 111214 111215 111216 111217 111218 111219 111220 111221 111222 | pMod = (Module*)sqlite3HashFind(&db->aModule, pTab->azModuleArg[0]); if( pMod==0 ) return 0; if( pMod->pModule->iVersion<3 ) return 0; if( pMod->pModule->xShadowName==0 ) return 0; return pMod->pModule->xShadowName(zTail+1); } #endif /* ifndef SQLITE_OMIT_VIRTUALTABLE */ #ifdef SQLITE_DEBUG /* ** Mark all nodes of an expression as EP_Immutable, indicating that ** they should not be changed. Expressions attached to a table or ** index definition are tagged this way to help ensure that we do ** not pass them into code generator routines by mistake. */ static int markImmutableExprStep(Walker *pWalker, Expr *pExpr){ ExprSetVVAProperty(pExpr, EP_Immutable); return WRC_Continue; } static void markExprListImmutable(ExprList *pList){ if( pList ){ Walker w; memset(&w, 0, sizeof(w)); w.xExprCallback = markImmutableExprStep; w.xSelectCallback = sqlite3SelectWalkNoop; w.xSelectCallback2 = 0; sqlite3WalkExprList(&w, pList); } } #else #define markExprListImmutable(X) /* no-op */ #endif /* SQLITE_DEBUG */ /* ** This routine is called to report the final ")" that terminates ** a CREATE TABLE statement. ** ** The table structure that other action routines have been building ** is added to the internal hash tables, assuming no errors have |
︙ | ︙ | |||
111194 111195 111196 111197 111198 111199 111200 111201 111202 111203 111204 111205 111206 111207 | if( p->pCheck ){ sqlite3ResolveSelfReference(pParse, p, NC_IsCheck, 0, p->pCheck); if( pParse->nErr ){ /* If errors are seen, delete the CHECK constraints now, else they might ** actually be used if PRAGMA writable_schema=ON is set. */ sqlite3ExprListDelete(db, p->pCheck); p->pCheck = 0; } } #endif /* !defined(SQLITE_OMIT_CHECK) */ #ifndef SQLITE_OMIT_GENERATED_COLUMNS if( p->tabFlags & TF_HasGenerated ){ int ii, nNG = 0; testcase( p->tabFlags & TF_HasVirtual ); | > > | 111302 111303 111304 111305 111306 111307 111308 111309 111310 111311 111312 111313 111314 111315 111316 111317 | if( p->pCheck ){ sqlite3ResolveSelfReference(pParse, p, NC_IsCheck, 0, p->pCheck); if( pParse->nErr ){ /* If errors are seen, delete the CHECK constraints now, else they might ** actually be used if PRAGMA writable_schema=ON is set. */ sqlite3ExprListDelete(db, p->pCheck); p->pCheck = 0; }else{ markExprListImmutable(p->pCheck); } } #endif /* !defined(SQLITE_OMIT_CHECK) */ #ifndef SQLITE_OMIT_GENERATED_COLUMNS if( p->tabFlags & TF_HasGenerated ){ int ii, nNG = 0; testcase( p->tabFlags & TF_HasVirtual ); |
︙ | ︙ | |||
114135 114136 114137 114138 114139 114140 114141 114142 114143 114144 114145 114146 | SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq( sqlite3 *db, /* Database connection to search */ u8 enc, /* Desired text encoding */ const char *zName, /* Name of the collating sequence. Might be NULL */ int create /* True to create CollSeq if doesn't already exist */ ){ CollSeq *pColl; if( zName ){ pColl = findCollSeqEntry(db, zName, create); }else{ pColl = db->pDfltColl; } | > > > < < < > > > > > > > > > > > > > | 114245 114246 114247 114248 114249 114250 114251 114252 114253 114254 114255 114256 114257 114258 114259 114260 114261 114262 114263 114264 114265 114266 114267 114268 114269 114270 114271 114272 114273 114274 114275 114276 114277 114278 114279 114280 114281 | SQLITE_PRIVATE CollSeq *sqlite3FindCollSeq( sqlite3 *db, /* Database connection to search */ u8 enc, /* Desired text encoding */ const char *zName, /* Name of the collating sequence. Might be NULL */ int create /* True to create CollSeq if doesn't already exist */ ){ CollSeq *pColl; assert( SQLITE_UTF8==1 && SQLITE_UTF16LE==2 && SQLITE_UTF16BE==3 ); assert( enc>=SQLITE_UTF8 && enc<=SQLITE_UTF16BE ); if( zName ){ pColl = findCollSeqEntry(db, zName, create); if( pColl ) pColl += enc-1; }else{ pColl = db->pDfltColl; } return pColl; } /* ** Change the text encoding for a database connection. This means that ** the pDfltColl must change as well. */ SQLITE_PRIVATE void sqlite3SetTextEncoding(sqlite3 *db, u8 enc){ assert( enc==SQLITE_UTF8 || enc==SQLITE_UTF16LE || enc==SQLITE_UTF16BE ); db->enc = enc; /* EVIDENCE-OF: R-08308-17224 The default collating function for all ** strings is BINARY. */ db->pDfltColl = sqlite3FindCollSeq(db, enc, sqlite3StrBINARY, 0); } /* ** This function is responsible for invoking the collation factory callback ** or substituting a collation sequence of a different encoding when the ** requested collation sequence is not available in the desired encoding. ** ** If it is not NULL, then pColl must point to the database native encoding |
︙ | ︙ | |||
116319 116320 116321 116322 116323 116324 116325 116326 116327 116328 116329 116330 116331 116332 | sqlite3_value **argv ){ const unsigned char *zA, *zB; u32 escape; int nPat; sqlite3 *db = sqlite3_context_db_handle(context); struct compareInfo *pInfo = sqlite3_user_data(context); #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS if( sqlite3_value_type(argv[0])==SQLITE_BLOB || sqlite3_value_type(argv[1])==SQLITE_BLOB ){ #ifdef SQLITE_TEST sqlite3_like_count++; | > | 116442 116443 116444 116445 116446 116447 116448 116449 116450 116451 116452 116453 116454 116455 116456 | sqlite3_value **argv ){ const unsigned char *zA, *zB; u32 escape; int nPat; sqlite3 *db = sqlite3_context_db_handle(context); struct compareInfo *pInfo = sqlite3_user_data(context); struct compareInfo backupInfo; #ifdef SQLITE_LIKE_DOESNT_MATCH_BLOBS if( sqlite3_value_type(argv[0])==SQLITE_BLOB || sqlite3_value_type(argv[1])==SQLITE_BLOB ){ #ifdef SQLITE_TEST sqlite3_like_count++; |
︙ | ︙ | |||
116354 116355 116356 116357 116358 116359 116360 116361 116362 116363 116364 116365 116366 116367 | if( zEsc==0 ) return; if( sqlite3Utf8CharLen((char*)zEsc, -1)!=1 ){ sqlite3_result_error(context, "ESCAPE expression must be a single character", -1); return; } escape = sqlite3Utf8Read(&zEsc); }else{ escape = pInfo->matchSet; } zB = sqlite3_value_text(argv[0]); zA = sqlite3_value_text(argv[1]); if( zA && zB ){ #ifdef SQLITE_TEST | > > > > > > | 116478 116479 116480 116481 116482 116483 116484 116485 116486 116487 116488 116489 116490 116491 116492 116493 116494 116495 116496 116497 | if( zEsc==0 ) return; if( sqlite3Utf8CharLen((char*)zEsc, -1)!=1 ){ sqlite3_result_error(context, "ESCAPE expression must be a single character", -1); return; } escape = sqlite3Utf8Read(&zEsc); if( escape==pInfo->matchAll || escape==pInfo->matchOne ){ memcpy(&backupInfo, pInfo, sizeof(backupInfo)); pInfo = &backupInfo; if( escape==pInfo->matchAll ) pInfo->matchAll = 0; if( escape==pInfo->matchOne ) pInfo->matchOne = 0; } }else{ escape = pInfo->matchSet; } zB = sqlite3_value_text(argv[0]); zA = sqlite3_value_text(argv[1]); if( zA && zB ){ #ifdef SQLITE_TEST |
︙ | ︙ | |||
117336 117337 117338 117339 117340 117341 117342 | pDef = sqlite3FindFunction(db, pExpr->u.zToken, nExpr, SQLITE_UTF8, 0); #ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION if( pDef==0 ) return 0; #endif if( NEVER(pDef==0) || (pDef->funcFlags & SQLITE_FUNC_LIKE)==0 ){ return 0; } | < < < < < < < < < < > > > > > > > > > > > > > > | 117466 117467 117468 117469 117470 117471 117472 117473 117474 117475 117476 117477 117478 117479 117480 117481 117482 117483 117484 117485 117486 117487 117488 117489 117490 117491 117492 117493 117494 117495 117496 117497 117498 117499 117500 117501 117502 | pDef = sqlite3FindFunction(db, pExpr->u.zToken, nExpr, SQLITE_UTF8, 0); #ifdef SQLITE_ENABLE_UNKNOWN_SQL_FUNCTION if( pDef==0 ) return 0; #endif if( NEVER(pDef==0) || (pDef->funcFlags & SQLITE_FUNC_LIKE)==0 ){ return 0; } /* The memcpy() statement assumes that the wildcard characters are ** the first three statements in the compareInfo structure. The ** asserts() that follow verify that assumption */ memcpy(aWc, pDef->pUserData, 3); assert( (char*)&likeInfoAlt == (char*)&likeInfoAlt.matchAll ); assert( &((char*)&likeInfoAlt)[1] == (char*)&likeInfoAlt.matchOne ); assert( &((char*)&likeInfoAlt)[2] == (char*)&likeInfoAlt.matchSet ); if( nExpr<3 ){ aWc[3] = 0; }else{ Expr *pEscape = pExpr->x.pList->a[2].pExpr; char *zEscape; if( pEscape->op!=TK_STRING ) return 0; zEscape = pEscape->u.zToken; if( zEscape[0]==0 || zEscape[1]!=0 ) return 0; if( zEscape[0]==aWc[0] ) return 0; if( zEscape[0]==aWc[1] ) return 0; aWc[3] = zEscape[0]; } *pIsNocase = (pDef->funcFlags & SQLITE_FUNC_CASE)==0; return 1; } /* ** All of the FuncDef structures in the aBuiltinFunc[] array above ** to the global function hash table. This occurs at start-time (as |
︙ | ︙ | |||
120562 120563 120564 120565 120566 120567 120568 | iReg = sqlite3TableColumnToStorage(pTab, i) + regNewData + 1; switch( onError ){ case OE_Replace: { int addr1 = sqlite3VdbeAddOp1(v, OP_NotNull, iReg); VdbeCoverage(v); assert( (pCol->colFlags & COLFLAG_GENERATED)==0 ); nSeenReplace++; | | | 120696 120697 120698 120699 120700 120701 120702 120703 120704 120705 120706 120707 120708 120709 120710 | iReg = sqlite3TableColumnToStorage(pTab, i) + regNewData + 1; switch( onError ){ case OE_Replace: { int addr1 = sqlite3VdbeAddOp1(v, OP_NotNull, iReg); VdbeCoverage(v); assert( (pCol->colFlags & COLFLAG_GENERATED)==0 ); nSeenReplace++; sqlite3ExprCodeCopy(pParse, pCol->pDflt, iReg); sqlite3VdbeJumpHere(v, addr1); break; } case OE_Abort: sqlite3MayAbort(pParse); /* Fall through */ case OE_Rollback: |
︙ | ︙ | |||
120617 120618 120619 120620 120621 120622 120623 120624 120625 120626 120627 120628 120629 120630 120631 120632 120633 120634 120635 120636 120637 | #ifndef SQLITE_OMIT_CHECK if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){ ExprList *pCheck = pTab->pCheck; pParse->iSelfTab = -(regNewData+1); onError = overrideError!=OE_Default ? overrideError : OE_Abort; for(i=0; i<pCheck->nExpr; i++){ int allOk; Expr *pExpr = pCheck->a[i].pExpr; if( aiChng && !sqlite3ExprReferencesUpdatedColumn(pExpr, aiChng, pkChng) ){ /* The check constraints do not reference any of the columns being ** updated so there is no point it verifying the check constraint */ continue; } if( bAffinityDone==0 ){ sqlite3TableAffinity(v, pTab, regNewData+1); bAffinityDone = 1; } allOk = sqlite3VdbeMakeLabel(pParse); sqlite3VdbeVerifyAbortable(v, onError); | > > > | > > | 120751 120752 120753 120754 120755 120756 120757 120758 120759 120760 120761 120762 120763 120764 120765 120766 120767 120768 120769 120770 120771 120772 120773 120774 120775 120776 120777 120778 120779 120780 120781 120782 120783 120784 | #ifndef SQLITE_OMIT_CHECK if( pTab->pCheck && (db->flags & SQLITE_IgnoreChecks)==0 ){ ExprList *pCheck = pTab->pCheck; pParse->iSelfTab = -(regNewData+1); onError = overrideError!=OE_Default ? overrideError : OE_Abort; for(i=0; i<pCheck->nExpr; i++){ int allOk; Expr *pCopy; Expr *pExpr = pCheck->a[i].pExpr; if( aiChng && !sqlite3ExprReferencesUpdatedColumn(pExpr, aiChng, pkChng) ){ /* The check constraints do not reference any of the columns being ** updated so there is no point it verifying the check constraint */ continue; } if( bAffinityDone==0 ){ sqlite3TableAffinity(v, pTab, regNewData+1); bAffinityDone = 1; } allOk = sqlite3VdbeMakeLabel(pParse); sqlite3VdbeVerifyAbortable(v, onError); pCopy = sqlite3ExprDup(db, pExpr, 0); if( !db->mallocFailed ){ sqlite3ExprIfTrue(pParse, pCopy, allOk, SQLITE_JUMPIFNULL); } sqlite3ExprDelete(db, pCopy); if( onError==OE_Ignore ){ sqlite3VdbeGoto(v, ignoreDest); }else{ char *zName = pCheck->a[i].zEName; if( zName==0 ) zName = pTab->zName; if( onError==OE_Replace ) onError = OE_Abort; /* IMP: R-26383-51744 */ sqlite3HaltConstraint(pParse, SQLITE_CONSTRAINT_CHECK, |
︙ | ︙ | |||
125950 125951 125952 125953 125954 125955 125956 | returnSingleText(v, encnames[ENC(pParse->db)].zName); }else{ /* "PRAGMA encoding = XXX" */ /* Only change the value of sqlite.enc if the database handle is not ** initialized. If the main database exists, the new sqlite.enc value ** will be overwritten when the schema is next loaded. If it does not ** already exists, it will be created to use the new encoding value. */ | | < < < < < < < < < < < | > > | 126089 126090 126091 126092 126093 126094 126095 126096 126097 126098 126099 126100 126101 126102 126103 126104 126105 126106 126107 126108 | returnSingleText(v, encnames[ENC(pParse->db)].zName); }else{ /* "PRAGMA encoding = XXX" */ /* Only change the value of sqlite.enc if the database handle is not ** initialized. If the main database exists, the new sqlite.enc value ** will be overwritten when the schema is next loaded. If it does not ** already exists, it will be created to use the new encoding value. */ if( (db->mDbFlags & DBFLAG_EncodingFixed)==0 ){ for(pEnc=&encnames[0]; pEnc->zName; pEnc++){ if( 0==sqlite3StrICmp(zRight, pEnc->zName) ){ u8 enc = pEnc->enc ? pEnc->enc : SQLITE_UTF16NATIVE; SCHEMA_ENC(db) = enc; sqlite3SetTextEncoding(db, enc); break; } } if( !pEnc->zName ){ sqlite3ErrorMsg(pParse, "unsupported encoding: %s", zRight); } } |
︙ | ︙ | |||
126773 126774 126775 126776 126777 126778 126779 | InitData *pData = (InitData*)pInit; sqlite3 *db = pData->db; int iDb = pData->iDb; assert( argc==5 ); UNUSED_PARAMETER2(NotUsed, argc); assert( sqlite3_mutex_held(db->mutex) ); | | | 126903 126904 126905 126906 126907 126908 126909 126910 126911 126912 126913 126914 126915 126916 126917 | InitData *pData = (InitData*)pInit; sqlite3 *db = pData->db; int iDb = pData->iDb; assert( argc==5 ); UNUSED_PARAMETER2(NotUsed, argc); assert( sqlite3_mutex_held(db->mutex) ); db->mDbFlags |= DBFLAG_EncodingFixed; pData->nInitRow++; if( db->mallocFailed ){ corruptSchema(pData, argv[1], 0); return 1; } assert( iDb>=0 && iDb<db->nDb ); |
︙ | ︙ | |||
126861 126862 126863 126864 126865 126866 126867 126868 126869 126870 126871 126872 126873 126874 | #endif Db *pDb; char const *azArg[6]; int meta[5]; InitData initData; const char *zMasterName; int openedTransaction = 0; assert( (db->mDbFlags & DBFLAG_SchemaKnownOk)==0 ); assert( iDb>=0 && iDb<db->nDb ); assert( db->aDb[iDb].pSchema ); assert( sqlite3_mutex_held(db->mutex) ); assert( iDb==1 || sqlite3BtreeHoldsMutex(db->aDb[iDb].pBt) ); | > | 126991 126992 126993 126994 126995 126996 126997 126998 126999 127000 127001 127002 127003 127004 127005 | #endif Db *pDb; char const *azArg[6]; int meta[5]; InitData initData; const char *zMasterName; int openedTransaction = 0; int mask = ((db->mDbFlags & DBFLAG_EncodingFixed) | ~DBFLAG_EncodingFixed); assert( (db->mDbFlags & DBFLAG_SchemaKnownOk)==0 ); assert( iDb>=0 && iDb<db->nDb ); assert( db->aDb[iDb].pSchema ); assert( sqlite3_mutex_held(db->mutex) ); assert( iDb==1 || sqlite3BtreeHoldsMutex(db->aDb[iDb].pBt) ); |
︙ | ︙ | |||
126889 126890 126891 126892 126893 126894 126895 126896 126897 126898 126899 126900 126901 126902 | initData.db = db; initData.iDb = iDb; initData.rc = SQLITE_OK; initData.pzErrMsg = pzErrMsg; initData.mInitFlags = mFlags; initData.nInitRow = 0; sqlite3InitCallback(&initData, 5, (char **)azArg, 0); if( initData.rc ){ rc = initData.rc; goto error_out; } /* Create a cursor to hold the database open */ | > | 127020 127021 127022 127023 127024 127025 127026 127027 127028 127029 127030 127031 127032 127033 127034 | initData.db = db; initData.iDb = iDb; initData.rc = SQLITE_OK; initData.pzErrMsg = pzErrMsg; initData.mInitFlags = mFlags; initData.nInitRow = 0; sqlite3InitCallback(&initData, 5, (char **)azArg, 0); db->mDbFlags &= mask; if( initData.rc ){ rc = initData.rc; goto error_out; } /* Create a cursor to hold the database open */ |
︙ | ︙ | |||
126948 126949 126950 126951 126952 126953 126954 | /* If opening a non-empty database, check the text encoding. For the ** main database, set sqlite3.enc to the encoding of the main database. ** For an attached db, it is an error if the encoding is not the same ** as sqlite3.enc. */ if( meta[BTREE_TEXT_ENCODING-1] ){ /* text encoding */ | | < > < | > | < < | 127080 127081 127082 127083 127084 127085 127086 127087 127088 127089 127090 127091 127092 127093 127094 127095 127096 127097 127098 127099 127100 127101 127102 127103 127104 127105 127106 127107 127108 127109 127110 127111 127112 | /* If opening a non-empty database, check the text encoding. For the ** main database, set sqlite3.enc to the encoding of the main database. ** For an attached db, it is an error if the encoding is not the same ** as sqlite3.enc. */ if( meta[BTREE_TEXT_ENCODING-1] ){ /* text encoding */ if( iDb==0 && (db->mDbFlags & DBFLAG_EncodingFixed)==0 ){ u8 encoding; #ifndef SQLITE_OMIT_UTF16 /* If opening the main database, set ENC(db). */ encoding = (u8)meta[BTREE_TEXT_ENCODING-1] & 3; if( encoding==0 ) encoding = SQLITE_UTF8; #else encoding = SQLITE_UTF8; #endif sqlite3SetTextEncoding(db, encoding); }else{ /* If opening an attached database, the encoding much match ENC(db) */ if( (meta[BTREE_TEXT_ENCODING-1] & 3)!=ENC(db) ){ sqlite3SetString(pzErrMsg, db, "attached databases must use the same" " text encoding as main database"); rc = SQLITE_ERROR; goto initone_error_out; } } } pDb->pSchema->enc = ENC(db); if( pDb->pSchema->cache_size==0 ){ #ifndef SQLITE_OMIT_DEPRECATED size = sqlite3AbsInt32(meta[BTREE_DEFAULT_CACHE_SIZE-1]); if( size==0 ){ size = SQLITE_DEFAULT_CACHE_SIZE; } |
︙ | ︙ | |||
127080 127081 127082 127083 127084 127085 127086 | /* ** Initialize all database files - the main database file, the file ** used to store temporary tables, and any additional database files ** created using ATTACH statements. Return a success code. If an ** error occurs, write an error message into *pzErrMsg. ** ** After a database is initialized, the DB_SchemaLoaded bit is set | | < | 127210 127211 127212 127213 127214 127215 127216 127217 127218 127219 127220 127221 127222 127223 127224 | /* ** Initialize all database files - the main database file, the file ** used to store temporary tables, and any additional database files ** created using ATTACH statements. Return a success code. If an ** error occurs, write an error message into *pzErrMsg. ** ** After a database is initialized, the DB_SchemaLoaded bit is set ** bit is set in the flags field of the Db structure. */ SQLITE_PRIVATE int sqlite3Init(sqlite3 *db, char **pzErrMsg){ int i, rc; int commit_internal = !(db->mDbFlags&DBFLAG_SchemaChange); assert( sqlite3_mutex_held(db->mutex) ); assert( sqlite3BtreeHoldsMutex(db->aDb[0].pBt) ); |
︙ | ︙ | |||
127717 127718 127719 127720 127721 127722 127723 | sqlite3ExprDelete(db, p->pHaving); sqlite3ExprListDelete(db, p->pOrderBy); sqlite3ExprDelete(db, p->pLimit); #ifndef SQLITE_OMIT_WINDOWFUNC if( OK_IF_ALWAYS_TRUE(p->pWinDefn) ){ sqlite3WindowListDelete(db, p->pWinDefn); } | < | 127846 127847 127848 127849 127850 127851 127852 127853 127854 127855 127856 127857 127858 127859 | sqlite3ExprDelete(db, p->pHaving); sqlite3ExprListDelete(db, p->pOrderBy); sqlite3ExprDelete(db, p->pLimit); #ifndef SQLITE_OMIT_WINDOWFUNC if( OK_IF_ALWAYS_TRUE(p->pWinDefn) ){ sqlite3WindowListDelete(db, p->pWinDefn); } #endif if( OK_IF_ALWAYS_TRUE(p->pWith) ) sqlite3WithDelete(db, p->pWith); if( bFree ) sqlite3DbFreeNN(db, p); p = pPrior; bFree = 1; } } |
︙ | ︙ | |||
131195 131196 131197 131198 131199 131200 131201 131202 131203 131204 131205 131206 131207 131208 | substExprList(pSubst, pItem->u1.pFuncArg); } } }while( doPrior && (p = p->pPrior)!=0 ); } #endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* ** This routine attempts to flatten subqueries as a performance optimization. ** This routine returns 1 if it makes changes and 0 if no flattening occurs. ** ** To understand the concept of flattening, consider the following ** query: | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 131323 131324 131325 131326 131327 131328 131329 131330 131331 131332 131333 131334 131335 131336 131337 131338 131339 131340 131341 131342 131343 131344 131345 131346 131347 131348 131349 131350 131351 131352 131353 131354 131355 131356 131357 131358 131359 131360 131361 131362 131363 131364 131365 131366 131367 131368 | substExprList(pSubst, pItem->u1.pFuncArg); } } }while( doPrior && (p = p->pPrior)!=0 ); } #endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* ** pSelect is a SELECT statement and pSrcItem is one item in the FROM ** clause of that SELECT. ** ** This routine scans the entire SELECT statement and recomputes the ** pSrcItem->colUsed mask. */ static int recomputeColumnsUsedExpr(Walker *pWalker, Expr *pExpr){ struct SrcList_item *pItem; if( pExpr->op!=TK_COLUMN ) return WRC_Continue; pItem = pWalker->u.pSrcItem; if( pItem->iCursor!=pExpr->iTable ) return WRC_Continue; if( pExpr->iColumn<0 ) return WRC_Continue; pItem->colUsed |= sqlite3ExprColUsed(pExpr); return WRC_Continue; } static void recomputeColumnsUsed( Select *pSelect, /* The complete SELECT statement */ struct SrcList_item *pSrcItem /* Which FROM clause item to recompute */ ){ Walker w; if( NEVER(pSrcItem->pTab==0) ) return; memset(&w, 0, sizeof(w)); w.xExprCallback = recomputeColumnsUsedExpr; w.xSelectCallback = sqlite3SelectWalkNoop; w.u.pSrcItem = pSrcItem; pSrcItem->colUsed = 0; sqlite3WalkSelect(&w, pSelect); } #endif /* !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) */ #if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW) /* ** This routine attempts to flatten subqueries as a performance optimization. ** This routine returns 1 if it makes changes and 0 if no flattening occurs. ** ** To understand the concept of flattening, consider the following ** query: |
︙ | ︙ | |||
131733 131734 131735 131736 131737 131738 131739 131740 131741 131742 131743 131744 131745 131746 | ** One is tempted to try to add a and b to combine the limits. But this ** does not work if either limit is negative. */ if( pSub->pLimit ){ pParent->pLimit = pSub->pLimit; pSub->pLimit = 0; } } /* Finially, delete what is left of the subquery and return ** success. */ sqlite3SelectDelete(db, pSub1); | > > > > > > | 131893 131894 131895 131896 131897 131898 131899 131900 131901 131902 131903 131904 131905 131906 131907 131908 131909 131910 131911 131912 | ** One is tempted to try to add a and b to combine the limits. But this ** does not work if either limit is negative. */ if( pSub->pLimit ){ pParent->pLimit = pSub->pLimit; pSub->pLimit = 0; } /* Recompute the SrcList_item.colUsed masks for the flattened ** tables. */ for(i=0; i<nSubSrc; i++){ recomputeColumnsUsed(pParent, &pSrc->a[i+iFrom]); } } /* Finially, delete what is left of the subquery and return ** success. */ sqlite3SelectDelete(db, pSub1); |
︙ | ︙ | |||
135182 135183 135184 135185 135186 135187 135188 | assert( pName->nSrc==1 ); zDb = pName->a[0].zDatabase; zName = pName->a[0].zName; assert( zDb!=0 || sqlite3BtreeHoldsAllMutexes(db) ); for(i=OMIT_TEMPDB; i<db->nDb; i++){ int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ | | | 135348 135349 135350 135351 135352 135353 135354 135355 135356 135357 135358 135359 135360 135361 135362 | assert( pName->nSrc==1 ); zDb = pName->a[0].zDatabase; zName = pName->a[0].zName; assert( zDb!=0 || sqlite3BtreeHoldsAllMutexes(db) ); for(i=OMIT_TEMPDB; i<db->nDb; i++){ int j = (i<2) ? i^1 : i; /* Search TEMP before MAIN */ if( zDb && sqlite3DbIsNamed(db, j, zDb)==0 ) continue; assert( sqlite3SchemaMutexHeld(db, j, 0) ); pTrigger = sqlite3HashFind(&(db->aDb[j].pSchema->trigHash), zName); if( pTrigger ) break; } if( !pTrigger ){ if( !noErr ){ sqlite3ErrorMsg(pParse, "no such trigger: %S", pName, 0); |
︙ | ︙ | |||
141204 141205 141206 141207 141208 141209 141210 141211 141212 141213 141214 141215 141216 141217 | ){ assert( bSeekPastNull==0 && nExtraReg==0 && nBtm==0 && nTop==0 ); assert( pRangeEnd==0 && pRangeStart==0 ); testcase( pLoop->nSkip>0 ); nExtraReg = 1; bSeekPastNull = 1; pLevel->regBignull = regBignull = ++pParse->nMem; pLevel->addrBignull = sqlite3VdbeMakeLabel(pParse); } /* If we are doing a reverse order scan on an ascending index, or ** a forward order scan on a descending index, interchange the ** start and end terms (pRangeStart and pRangeEnd). */ | > > > | 141370 141371 141372 141373 141374 141375 141376 141377 141378 141379 141380 141381 141382 141383 141384 141385 141386 | ){ assert( bSeekPastNull==0 && nExtraReg==0 && nBtm==0 && nTop==0 ); assert( pRangeEnd==0 && pRangeStart==0 ); testcase( pLoop->nSkip>0 ); nExtraReg = 1; bSeekPastNull = 1; pLevel->regBignull = regBignull = ++pParse->nMem; if( pLevel->iLeftJoin ){ sqlite3VdbeAddOp2(v, OP_Integer, 0, regBignull); } pLevel->addrBignull = sqlite3VdbeMakeLabel(pParse); } /* If we are doing a reverse order scan on an ascending index, or ** a forward order scan on a descending index, interchange the ** start and end terms (pRangeStart and pRangeEnd). */ |
︙ | ︙ | |||
148757 148758 148759 148760 148761 148762 148763 | sqlite3VdbeSetP4KeyInfo(pParse, pIx); if( (pLoop->wsFlags & WHERE_CONSTRAINT)!=0 && (pLoop->wsFlags & (WHERE_COLUMN_RANGE|WHERE_SKIPSCAN))==0 && (pLoop->wsFlags & WHERE_BIGNULL_SORT)==0 && (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)==0 && pWInfo->eDistinct!=WHERE_DISTINCT_ORDERED ){ | | | 148926 148927 148928 148929 148930 148931 148932 148933 148934 148935 148936 148937 148938 148939 148940 | sqlite3VdbeSetP4KeyInfo(pParse, pIx); if( (pLoop->wsFlags & WHERE_CONSTRAINT)!=0 && (pLoop->wsFlags & (WHERE_COLUMN_RANGE|WHERE_SKIPSCAN))==0 && (pLoop->wsFlags & WHERE_BIGNULL_SORT)==0 && (pWInfo->wctrlFlags&WHERE_ORDERBY_MIN)==0 && pWInfo->eDistinct!=WHERE_DISTINCT_ORDERED ){ sqlite3VdbeChangeP5(v, OPFLAG_SEEKEQ); } VdbeComment((v, "%s", pIx->zName)); #ifdef SQLITE_ENABLE_COLUMN_USED_MASK { u64 colUsed = 0; int ii, jj; for(ii=0; ii<pIx->nColumn; ii++){ |
︙ | ︙ | |||
148915 148916 148917 148918 148919 148920 148921 | int j; sqlite3VdbeResolveLabel(v, pLevel->addrNxt); for(j=pLevel->u.in.nIn, pIn=&pLevel->u.in.aInLoop[j-1]; j>0; j--, pIn--){ sqlite3VdbeJumpHere(v, pIn->addrInTop+1); if( pIn->eEndLoopOp!=OP_Noop ){ if( pIn->nPrefix ){ assert( pLoop->wsFlags & WHERE_IN_EARLYOUT ); | < < < < < < | > > > > > > > | 149084 149085 149086 149087 149088 149089 149090 149091 149092 149093 149094 149095 149096 149097 149098 149099 149100 149101 149102 149103 149104 149105 149106 149107 149108 149109 149110 149111 149112 149113 149114 149115 149116 149117 | int j; sqlite3VdbeResolveLabel(v, pLevel->addrNxt); for(j=pLevel->u.in.nIn, pIn=&pLevel->u.in.aInLoop[j-1]; j>0; j--, pIn--){ sqlite3VdbeJumpHere(v, pIn->addrInTop+1); if( pIn->eEndLoopOp!=OP_Noop ){ if( pIn->nPrefix ){ assert( pLoop->wsFlags & WHERE_IN_EARLYOUT ); if( pLevel->iLeftJoin ){ /* For LEFT JOIN queries, cursor pIn->iCur may not have been ** opened yet. This occurs for WHERE clauses such as ** "a = ? AND b IN (...)", where the index is on (a, b). If ** the RHS of the (a=?) is NULL, then the "b IN (...)" may ** never have been coded, but the body of the loop run to ** return the null-row. So, if the cursor is not open yet, ** jump over the OP_Next or OP_Prev instruction about to ** be coded. */ sqlite3VdbeAddOp2(v, OP_IfNotOpen, pIn->iCur, sqlite3VdbeCurrentAddr(v) + 2 + ((pLoop->wsFlags & WHERE_VIRTUALTABLE)==0) ); VdbeCoverage(v); } if( (pLoop->wsFlags & WHERE_VIRTUALTABLE)==0 ){ sqlite3VdbeAddOp4Int(v, OP_IfNoHope, pLevel->iIdxCur, sqlite3VdbeCurrentAddr(v)+2, pIn->iBase, pIn->nPrefix); VdbeCoverage(v); } } sqlite3VdbeAddOp2(v, pIn->eEndLoopOp, pIn->iCur, pIn->addrInTop); VdbeCoverage(v); VdbeCoverageIf(v, pIn->eEndLoopOp==OP_Prev); VdbeCoverageIf(v, pIn->eEndLoopOp==OP_Next); } |
︙ | ︙ | |||
150051 150052 150053 150054 150055 150056 150057 150058 150059 150060 150061 150062 150063 150064 | Expr *pHaving = p->pHaving; ExprList *pSort = 0; ExprList *pSublist = 0; /* Expression list for sub-query */ Window *pMWin = p->pWin; /* Master window object */ Window *pWin; /* Window object iterator */ Table *pTab; pTab = sqlite3DbMallocZero(db, sizeof(Table)); if( pTab==0 ){ return sqlite3ErrorToParser(db, SQLITE_NOMEM); } p->pSrc = 0; | > | 150221 150222 150223 150224 150225 150226 150227 150228 150229 150230 150231 150232 150233 150234 150235 | Expr *pHaving = p->pHaving; ExprList *pSort = 0; ExprList *pSublist = 0; /* Expression list for sub-query */ Window *pMWin = p->pWin; /* Master window object */ Window *pWin; /* Window object iterator */ Table *pTab; u32 selFlags = p->selFlags; pTab = sqlite3DbMallocZero(db, sizeof(Table)); if( pTab==0 ){ return sqlite3ErrorToParser(db, SQLITE_NOMEM); } p->pSrc = 0; |
︙ | ︙ | |||
150140 150141 150142 150143 150144 150145 150146 150147 150148 150149 150150 150151 150152 150153 | p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); if( p->pSrc ){ Table *pTab2; p->pSrc->a[0].pSelect = pSub; sqlite3SrcListAssignCursors(pParse, p->pSrc); pSub->selFlags |= SF_Expanded; pTab2 = sqlite3ResultSetOfSelect(pParse, pSub, SQLITE_AFF_NONE); if( pTab2==0 ){ /* Might actually be some other kind of error, but in that case ** pParse->nErr will be set, so if SQLITE_NOMEM is set, we will get ** the correct error message regardless. */ rc = SQLITE_NOMEM; }else{ memcpy(pTab, pTab2, sizeof(Table)); | > | 150311 150312 150313 150314 150315 150316 150317 150318 150319 150320 150321 150322 150323 150324 150325 | p->pSrc = sqlite3SrcListAppend(pParse, 0, 0, 0); if( p->pSrc ){ Table *pTab2; p->pSrc->a[0].pSelect = pSub; sqlite3SrcListAssignCursors(pParse, p->pSrc); pSub->selFlags |= SF_Expanded; pTab2 = sqlite3ResultSetOfSelect(pParse, pSub, SQLITE_AFF_NONE); pSub->selFlags |= (selFlags & SF_Aggregate); if( pTab2==0 ){ /* Might actually be some other kind of error, but in that case ** pParse->nErr will be set, so if SQLITE_NOMEM is set, we will get ** the correct error message regardless. */ rc = SQLITE_NOMEM; }else{ memcpy(pTab, pTab2, sizeof(Table)); |
︙ | ︙ | |||
151028 151029 151030 151031 151032 151033 151034 151035 151036 151037 151038 151039 151040 151041 | static int windowInitAccum(Parse *pParse, Window *pMWin){ Vdbe *v = sqlite3GetVdbe(pParse); int regArg; int nArg = 0; Window *pWin; for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ FuncDef *pFunc = pWin->pFunc; sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum); nArg = MAX(nArg, windowArgCount(pWin)); if( pMWin->regStartRowid==0 ){ if( pFunc->zName==nth_valueName || pFunc->zName==first_valueName ){ sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp); sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp+1); } | > | 151200 151201 151202 151203 151204 151205 151206 151207 151208 151209 151210 151211 151212 151213 151214 | static int windowInitAccum(Parse *pParse, Window *pMWin){ Vdbe *v = sqlite3GetVdbe(pParse); int regArg; int nArg = 0; Window *pWin; for(pWin=pMWin; pWin; pWin=pWin->pNextWin){ FuncDef *pFunc = pWin->pFunc; assert( pWin->regAccum ); sqlite3VdbeAddOp2(v, OP_Null, 0, pWin->regAccum); nArg = MAX(nArg, windowArgCount(pWin)); if( pMWin->regStartRowid==0 ){ if( pFunc->zName==nth_valueName || pFunc->zName==first_valueName ){ sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp); sqlite3VdbeAddOp2(v, OP_Integer, 0, pWin->regApp+1); } |
︙ | ︙ | |||
151406 151407 151408 151409 151410 151411 151412 151413 151414 151415 151416 151417 151418 151419 | pNew->pPartition = sqlite3ExprListDup(db, p->pPartition, 0); pNew->pOrderBy = sqlite3ExprListDup(db, p->pOrderBy, 0); pNew->eFrmType = p->eFrmType; pNew->eEnd = p->eEnd; pNew->eStart = p->eStart; pNew->eExclude = p->eExclude; pNew->regResult = p->regResult; pNew->pStart = sqlite3ExprDup(db, p->pStart, 0); pNew->pEnd = sqlite3ExprDup(db, p->pEnd, 0); pNew->pOwner = pOwner; pNew->bImplicitFrame = p->bImplicitFrame; } } return pNew; | > > > > | 151579 151580 151581 151582 151583 151584 151585 151586 151587 151588 151589 151590 151591 151592 151593 151594 151595 151596 | pNew->pPartition = sqlite3ExprListDup(db, p->pPartition, 0); pNew->pOrderBy = sqlite3ExprListDup(db, p->pOrderBy, 0); pNew->eFrmType = p->eFrmType; pNew->eEnd = p->eEnd; pNew->eStart = p->eStart; pNew->eExclude = p->eExclude; pNew->regResult = p->regResult; pNew->regAccum = p->regAccum; pNew->iArgCol = p->iArgCol; pNew->iEphCsr = p->iEphCsr; pNew->bExprArgs = p->bExprArgs; pNew->pStart = sqlite3ExprDup(db, p->pStart, 0); pNew->pEnd = sqlite3ExprDup(db, p->pEnd, 0); pNew->pOwner = pOwner; pNew->bImplicitFrame = p->bImplicitFrame; } } return pNew; |
︙ | ︙ | |||
152243 152244 152245 152246 152247 152248 152249 152250 152251 152252 152253 152254 152255 152256 | static Expr *tokenExpr(Parse *pParse, int op, Token t){ Expr *p = sqlite3DbMallocRawNN(pParse->db, sizeof(Expr)+t.n+1); if( p ){ /* memset(p, 0, sizeof(Expr)); */ p->op = (u8)op; p->affExpr = 0; p->flags = EP_Leaf; p->iAgg = -1; p->pLeft = p->pRight = 0; p->x.pList = 0; p->pAggInfo = 0; p->y.pTab = 0; p->op2 = 0; p->iTable = 0; | > | 152420 152421 152422 152423 152424 152425 152426 152427 152428 152429 152430 152431 152432 152433 152434 | static Expr *tokenExpr(Parse *pParse, int op, Token t){ Expr *p = sqlite3DbMallocRawNN(pParse->db, sizeof(Expr)+t.n+1); if( p ){ /* memset(p, 0, sizeof(Expr)); */ p->op = (u8)op; p->affExpr = 0; p->flags = EP_Leaf; ExprClearVVAProperties(p); p->iAgg = -1; p->pLeft = p->pRight = 0; p->x.pList = 0; p->pAggInfo = 0; p->y.pTab = 0; p->op2 = 0; p->iTable = 0; |
︙ | ︙ | |||
162082 162083 162084 162085 162086 162087 162088 | createCollation(db, sqlite3StrBINARY, SQLITE_UTF16BE, 0, binCollFunc, 0); createCollation(db, sqlite3StrBINARY, SQLITE_UTF16LE, 0, binCollFunc, 0); createCollation(db, "NOCASE", SQLITE_UTF8, 0, nocaseCollatingFunc, 0); createCollation(db, "RTRIM", SQLITE_UTF8, 0, rtrimCollFunc, 0); if( db->mallocFailed ){ goto opendb_out; } | < < < < < | 162260 162261 162262 162263 162264 162265 162266 162267 162268 162269 162270 162271 162272 162273 | createCollation(db, sqlite3StrBINARY, SQLITE_UTF16BE, 0, binCollFunc, 0); createCollation(db, sqlite3StrBINARY, SQLITE_UTF16LE, 0, binCollFunc, 0); createCollation(db, "NOCASE", SQLITE_UTF8, 0, nocaseCollatingFunc, 0); createCollation(db, "RTRIM", SQLITE_UTF8, 0, rtrimCollFunc, 0); if( db->mallocFailed ){ goto opendb_out; } /* Parse the filename/URI argument ** ** Only allow sensible combinations of bits in the flags argument. ** Throw an error if any non-sense combination is used. If we ** do not block illegal combinations here, it could trigger ** assert() statements in deeper layers. Sensible combinations |
︙ | ︙ | |||
162131 162132 162133 162134 162135 162136 162137 | rc = SQLITE_NOMEM_BKPT; } sqlite3Error(db, rc); goto opendb_out; } sqlite3BtreeEnter(db->aDb[0].pBt); db->aDb[0].pSchema = sqlite3SchemaGet(db, db->aDb[0].pBt); | | > > | 162304 162305 162306 162307 162308 162309 162310 162311 162312 162313 162314 162315 162316 162317 162318 162319 162320 | rc = SQLITE_NOMEM_BKPT; } sqlite3Error(db, rc); goto opendb_out; } sqlite3BtreeEnter(db->aDb[0].pBt); db->aDb[0].pSchema = sqlite3SchemaGet(db, db->aDb[0].pBt); if( !db->mallocFailed ){ sqlite3SetTextEncoding(db, SCHEMA_ENC(db)); } sqlite3BtreeLeave(db->aDb[0].pBt); db->aDb[1].pSchema = sqlite3SchemaGet(db, 0); /* The default safety_level for the main database is FULL; for the temp ** database it is OFF. This matches the pager layer defaults. */ db->aDb[0].zDbSName = "main"; |
︙ | ︙ | |||
166662 166663 166664 166665 166666 166667 166668 166669 166670 166671 166672 166673 166674 166675 | int rc = SQLITE_OK; /* Return code */ const char *zCsr = zNode; /* Cursor to iterate through node */ const char *zEnd = &zCsr[nNode];/* End of interior node buffer */ char *zBuffer = 0; /* Buffer to load terms into */ i64 nAlloc = 0; /* Size of allocated buffer */ int isFirstTerm = 1; /* True when processing first term on page */ sqlite3_int64 iChild; /* Block id of child node to descend to */ /* Skip over the 'height' varint that occurs at the start of every ** interior node. Then load the blockid of the left-child of the b-tree ** node into variable iChild. ** ** Even if the data structure on disk is corrupted, this (reading two ** varints from the buffer) does not risk an overread. If zNode is a | > | 166837 166838 166839 166840 166841 166842 166843 166844 166845 166846 166847 166848 166849 166850 166851 | int rc = SQLITE_OK; /* Return code */ const char *zCsr = zNode; /* Cursor to iterate through node */ const char *zEnd = &zCsr[nNode];/* End of interior node buffer */ char *zBuffer = 0; /* Buffer to load terms into */ i64 nAlloc = 0; /* Size of allocated buffer */ int isFirstTerm = 1; /* True when processing first term on page */ sqlite3_int64 iChild; /* Block id of child node to descend to */ int nBuffer = 0; /* Total term size */ /* Skip over the 'height' varint that occurs at the start of every ** interior node. Then load the blockid of the left-child of the b-tree ** node into variable iChild. ** ** Even if the data structure on disk is corrupted, this (reading two ** varints from the buffer) does not risk an overread. If zNode is a |
︙ | ︙ | |||
166686 166687 166688 166689 166690 166691 166692 | return FTS_CORRUPT_VTAB; } while( zCsr<zEnd && (piFirst || piLast) ){ int cmp; /* memcmp() result */ int nSuffix; /* Size of term suffix */ int nPrefix = 0; /* Size of term prefix */ | < > > > > | 166862 166863 166864 166865 166866 166867 166868 166869 166870 166871 166872 166873 166874 166875 166876 166877 166878 166879 166880 166881 166882 166883 166884 | return FTS_CORRUPT_VTAB; } while( zCsr<zEnd && (piFirst || piLast) ){ int cmp; /* memcmp() result */ int nSuffix; /* Size of term suffix */ int nPrefix = 0; /* Size of term prefix */ /* Load the next term on the node into zBuffer. Use realloc() to expand ** the size of zBuffer if required. */ if( !isFirstTerm ){ zCsr += fts3GetVarint32(zCsr, &nPrefix); if( nPrefix>nBuffer ){ rc = FTS_CORRUPT_VTAB; goto finish_scan; } } isFirstTerm = 0; zCsr += fts3GetVarint32(zCsr, &nSuffix); assert( nPrefix>=0 && nSuffix>=0 ); if( nPrefix>zCsr-zNode || nSuffix>zEnd-zCsr || nSuffix==0 ){ rc = FTS_CORRUPT_VTAB; |
︙ | ︙ | |||
179914 179915 179916 179917 179918 179919 179920 179921 179922 179923 179924 179925 179926 179927 | } } /* If nSeg is less that zero, then there is no level with at least ** nMin segments and no hint in the %_stat table. No work to do. ** Exit early in this case. */ if( nSeg<=0 ) break; /* Open a cursor to iterate through the contents of the oldest nSeg ** indexes of absolute level iAbsLevel. If this cursor is opened using ** the 'hint' parameters, it is possible that there are less than nSeg ** segments available in level iAbsLevel. In this case, no work is ** done on iAbsLevel - fall through to the next iteration of the loop ** to start work on some other level. */ | > > > > > > | 180093 180094 180095 180096 180097 180098 180099 180100 180101 180102 180103 180104 180105 180106 180107 180108 180109 180110 180111 180112 | } } /* If nSeg is less that zero, then there is no level with at least ** nMin segments and no hint in the %_stat table. No work to do. ** Exit early in this case. */ if( nSeg<=0 ) break; assert( nMod<=0x7FFFFFFF ); if( iAbsLevel<0 || iAbsLevel>(nMod<<32) ){ rc = FTS_CORRUPT_VTAB; break; } /* Open a cursor to iterate through the contents of the oldest nSeg ** indexes of absolute level iAbsLevel. If this cursor is opened using ** the 'hint' parameters, it is possible that there are less than nSeg ** segments available in level iAbsLevel. In this case, no work is ** done on iAbsLevel - fall through to the next iteration of the loop ** to start work on some other level. */ |
︙ | ︙ | |||
189650 189651 189652 189653 189654 189655 189656 189657 | const char *zArg = argv[ii]; if( zArg[0]=='+' ){ pRtree->nAux++; sqlite3_str_appendf(pSql, ",%.*s", rtreeTokenLength(zArg+1), zArg+1); }else if( pRtree->nAux>0 ){ break; }else{ pRtree->nDim2++; | > | > | 189835 189836 189837 189838 189839 189840 189841 189842 189843 189844 189845 189846 189847 189848 189849 189850 189851 189852 | const char *zArg = argv[ii]; if( zArg[0]=='+' ){ pRtree->nAux++; sqlite3_str_appendf(pSql, ",%.*s", rtreeTokenLength(zArg+1), zArg+1); }else if( pRtree->nAux>0 ){ break; }else{ static const char *azFormat[] = {",%.*s REAL", ",%.*s INT"}; pRtree->nDim2++; sqlite3_str_appendf(pSql, azFormat[eCoordType], rtreeTokenLength(zArg), zArg); } } sqlite3_str_appendf(pSql, ");"); zSql = sqlite3_str_finish(pSql); if( !zSql ){ rc = SQLITE_NOMEM; }else if( ii<argc ){ |
︙ | ︙ | |||
192387 192388 192389 192390 192391 192392 192393 | /* There are now 4 possibilities: ** ** 1. uPattern is an unescaped match-all character "%", ** 2. uPattern is an unescaped match-one character "_", ** 3. uPattern is an unescaped escape character, or ** 4. uPattern is to be handled as an ordinary character */ | | | 192574 192575 192576 192577 192578 192579 192580 192581 192582 192583 192584 192585 192586 192587 192588 | /* There are now 4 possibilities: ** ** 1. uPattern is an unescaped match-all character "%", ** 2. uPattern is an unescaped match-one character "_", ** 3. uPattern is an unescaped escape character, or ** 4. uPattern is to be handled as an ordinary character */ if( uPattern==MATCH_ALL && !prevEscape && uPattern!=(uint32_t)uEsc ){ /* Case 1. */ uint8_t c; /* Skip any MATCH_ALL or MATCH_ONE characters that follow a ** MATCH_ALL. For each MATCH_ONE, skip one character in the ** test string. */ |
︙ | ︙ | |||
192413 192414 192415 192416 192417 192418 192419 | if( icuLikeCompare(zPattern, zString, uEsc) ){ return 1; } SQLITE_ICU_SKIP_UTF8(zString); } return 0; | | | | 192600 192601 192602 192603 192604 192605 192606 192607 192608 192609 192610 192611 192612 192613 192614 192615 192616 192617 192618 192619 | if( icuLikeCompare(zPattern, zString, uEsc) ){ return 1; } SQLITE_ICU_SKIP_UTF8(zString); } return 0; }else if( uPattern==MATCH_ONE && !prevEscape && uPattern!=(uint32_t)uEsc ){ /* Case 2. */ if( *zString==0 ) return 0; SQLITE_ICU_SKIP_UTF8(zString); }else if( uPattern==(uint32_t)uEsc && !prevEscape ){ /* Case 3. */ prevEscape = 1; }else{ /* Case 4. */ uint32_t uString; SQLITE_ICU_READ_UTF8(zString, uString); |
︙ | ︙ | |||
199220 199221 199222 199223 199224 199225 199226 199227 199228 199229 199230 199231 199232 199233 | break; } } } i = 0; if( iSchema>=0 ){ pIdxInfo->aConstraintUsage[iSchema].argvIndex = ++i; pIdxInfo->idxNum |= 0x01; } if( iName>=0 ){ pIdxInfo->aConstraintUsage[iName].argvIndex = ++i; pIdxInfo->idxNum |= 0x02; } if( iAgg>=0 ){ | > | 199407 199408 199409 199410 199411 199412 199413 199414 199415 199416 199417 199418 199419 199420 199421 | break; } } } i = 0; if( iSchema>=0 ){ pIdxInfo->aConstraintUsage[iSchema].argvIndex = ++i; pIdxInfo->aConstraintUsage[iSchema].omit = 1; pIdxInfo->idxNum |= 0x01; } if( iName>=0 ){ pIdxInfo->aConstraintUsage[iName].argvIndex = ++i; pIdxInfo->idxNum |= 0x02; } if( iAgg>=0 ){ |
︙ | ︙ | |||
199434 199435 199436 199437 199438 199439 199440 | if( nLocal<0 ) goto statPageIsCorrupt; pCell->nLocal = nLocal; assert( nPayload>=(u32)nLocal ); assert( nLocal<=(nUsable-35) ); if( nPayload>(u32)nLocal ){ int j; int nOvfl = ((nPayload - nLocal) + nUsable-4 - 1) / (nUsable - 4); | > | > | 199622 199623 199624 199625 199626 199627 199628 199629 199630 199631 199632 199633 199634 199635 199636 199637 199638 | if( nLocal<0 ) goto statPageIsCorrupt; pCell->nLocal = nLocal; assert( nPayload>=(u32)nLocal ); assert( nLocal<=(nUsable-35) ); if( nPayload>(u32)nLocal ){ int j; int nOvfl = ((nPayload - nLocal) + nUsable-4 - 1) / (nUsable - 4); if( iOff+nLocal>nUsable || nPayload>0x7fffffff ){ goto statPageIsCorrupt; } pCell->nLastOvfl = (nPayload-nLocal) - (nOvfl-1) * (nUsable-4); pCell->nOvfl = nOvfl; pCell->aOvfl = sqlite3_malloc64(sizeof(u32)*nOvfl); if( pCell->aOvfl==0 ) return SQLITE_NOMEM_BKPT; pCell->aOvfl[0] = sqlite3Get4byte(&aData[iOff+nLocal]); for(j=1; j<nOvfl; j++){ int rc; |
︙ | ︙ | |||
203767 203768 203769 203770 203771 203772 203773 | ){ int i; const char *zSep = ""; int rc = SQLITE_OK; SessionBuffer buf = {0, 0, 0}; int nPk = 0; | | | 203957 203958 203959 203960 203961 203962 203963 203964 203965 203966 203967 203968 203969 203970 203971 | ){ int i; const char *zSep = ""; int rc = SQLITE_OK; SessionBuffer buf = {0, 0, 0}; int nPk = 0; sessionAppendStr(&buf, "DELETE FROM main.", &rc); sessionAppendIdent(&buf, zTab, &rc); sessionAppendStr(&buf, " WHERE ", &rc); for(i=0; i<p->nCol; i++){ if( p->abPK[i] ){ nPk++; sessionAppendStr(&buf, zSep, &rc); |
︙ | ︙ | |||
203850 203851 203852 203853 203854 203855 203856 | ){ int rc = SQLITE_OK; int i; const char *zSep = ""; SessionBuffer buf = {0, 0, 0}; /* Append "UPDATE tbl SET " */ | | | 204040 204041 204042 204043 204044 204045 204046 204047 204048 204049 204050 204051 204052 204053 204054 | ){ int rc = SQLITE_OK; int i; const char *zSep = ""; SessionBuffer buf = {0, 0, 0}; /* Append "UPDATE tbl SET " */ sessionAppendStr(&buf, "UPDATE main.", &rc); sessionAppendIdent(&buf, zTab, &rc); sessionAppendStr(&buf, " SET ", &rc); /* Append the assignments */ for(i=0; i<p->nCol; i++){ sessionAppendStr(&buf, zSep, &rc); sessionAppendIdent(&buf, p->azCol[i], &rc); |
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223536 223537 223538 223539 223540 223541 223542 | static void fts5SourceIdFunc( sqlite3_context *pCtx, /* Function call context */ int nArg, /* Number of args */ sqlite3_value **apUnused /* Function arguments */ ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); | | | 223726 223727 223728 223729 223730 223731 223732 223733 223734 223735 223736 223737 223738 223739 223740 | static void fts5SourceIdFunc( sqlite3_context *pCtx, /* Function call context */ int nArg, /* Number of args */ sqlite3_value **apUnused /* Function arguments */ ){ assert( nArg==0 ); UNUSED_PARAM2(nArg, apUnused); sqlite3_result_text(pCtx, "fts5: 2020-03-21 23:10:38 5d14a1c4f2fc17de98ad685ad1422cdfda89dfccb00afcaf32ee416b6f84f525", -1, SQLITE_TRANSIENT); } /* ** Return true if zName is the extension on one of the shadow tables used ** by this module. */ static int fts5ShadowName(const char *zName){ |
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228318 228319 228320 228321 228322 228323 228324 | #endif return rc; } #endif /* SQLITE_CORE */ #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */ /************** End of stmt.c ************************************************/ | | | | 228508 228509 228510 228511 228512 228513 228514 228515 228516 228517 228518 228519 228520 228521 | #endif return rc; } #endif /* SQLITE_CORE */ #endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */ /************** End of stmt.c ************************************************/ #if __LINE__!=228515 #undef SQLITE_SOURCE_ID #define SQLITE_SOURCE_ID "2020-03-21 23:10:38 5d14a1c4f2fc17de98ad685ad1422cdfda89dfccb00afcaf32ee416b6f84alt2" #endif /* Return the source-id for this library */ SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; } /************************** End of sqlite3.c ******************************/ |
Changes to src/sqlite3.h.
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121 122 123 124 125 126 127 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.32.0" #define SQLITE_VERSION_NUMBER 3032000 | | | 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | ** ** See also: [sqlite3_libversion()], ** [sqlite3_libversion_number()], [sqlite3_sourceid()], ** [sqlite_version()] and [sqlite_source_id()]. */ #define SQLITE_VERSION "3.32.0" #define SQLITE_VERSION_NUMBER 3032000 #define SQLITE_SOURCE_ID "2020-03-21 23:10:38 5d14a1c4f2fc17de98ad685ad1422cdfda89dfccb00afcaf32ee416b6f84f525" /* ** CAPI3REF: Run-Time Library Version Numbers ** KEYWORDS: sqlite3_version sqlite3_sourceid ** ** These interfaces provide the same information as the [SQLITE_VERSION], ** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros |
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