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Overview
Comment: | Adding table column query capability to support ODBC. (CVS 278) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
b63b3f3684a3d584ef99f54cde76b6c4 |
User & Date: | drh 2001-10-06 16:33:02.000 |
Context
2001-10-08
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13:22 | Support for temporary tables added. Still need more testing. (CVS 279) (check-in: 9368c62e40 user: drh tags: trunk) | |
2001-10-06
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16:33 | Adding table column query capability to support ODBC. (CVS 278) (check-in: b63b3f3684 user: drh tags: trunk) | |
2001-10-02
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13:05 | Version 2.0.1 (CVS 469) (check-in: e498084940 user: drh tags: trunk) | |
Changes
Changes to Makefile.template.
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16 17 18 19 20 21 22 23 24 25 26 27 28 29 | # TOP = ../sqlite #### C Compiler and options for use in building executables that # will run on the platform that is doing the build. # BCC = gcc -g -O2 #### If the target operating system supports the "usleep()" system # call, then define the HAVE_USLEEP macro for all C modules. # #USLEEP = USLEEP = -DHAVE_USLEEP=1 | > | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | # TOP = ../sqlite #### C Compiler and options for use in building executables that # will run on the platform that is doing the build. # BCC = gcc -g -O2 #BCC = /opt/ancic/bin/c89 -0 #### If the target operating system supports the "usleep()" system # call, then define the HAVE_USLEEP macro for all C modules. # #USLEEP = USLEEP = -DHAVE_USLEEP=1 |
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54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | #### C Compile and options for use in building executables that # will run on the target platform. This is usually the same # as BCC, unless you are cross-compiling. # TCC = gcc -O6 #TCC = gcc -g -O0 -Wall #TCC = /opt/mingw/bin/i386-mingw32-gcc -O6 #### Tools used to build a static library. # AR = ar cr #AR = /opt/mingw/bin/i386-mingw32-ar cr RANLIB = ranlib #RANLIB = /opt/mingw/bin/i386-mingw32-ranlib #### Extra compiler options needed for programs that use the TCL library. # #TCL_FLAGS = #TCL_FLAGS = -DSTATIC_BUILD=1 TCL_FLAGS = -I/home/drh/tcltk/8.4linux #TCL_FLAGS = -I/home/drh/tcltk/8.4win -DSTATIC_BUILD=1 #### Linker options needed to link against the TCL library. # #LIBTCL = -ltcl -lm -ldl LIBTCL = /home/drh/tcltk/8.4linux/libtcl8.4g.a -lm -ldl #LIBTCL = /home/drh/tcltk/8.4win/libtcl84s.a -lmsvcrt #### Compiler options needed for programs that use the readline() library. # #READLINE_FLAGS = READLINE_FLAGS = -DHAVE_READLINE=1 -I/usr/include/readline #### Linker options needed by programs using readline() must link against. | > > > | 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | #### C Compile and options for use in building executables that # will run on the target platform. This is usually the same # as BCC, unless you are cross-compiling. # TCC = gcc -O6 #TCC = gcc -g -O0 -Wall #TCC = /opt/mingw/bin/i386-mingw32-gcc -O6 #TCC = /opt/ansic/bin/c89 -O +z -Wl,-a,archive #### Tools used to build a static library. # AR = ar cr #AR = /opt/mingw/bin/i386-mingw32-ar cr RANLIB = ranlib #RANLIB = /opt/mingw/bin/i386-mingw32-ranlib #### Extra compiler options needed for programs that use the TCL library. # #TCL_FLAGS = #TCL_FLAGS = -DSTATIC_BUILD=1 TCL_FLAGS = -I/home/drh/tcltk/8.4linux #TCL_FLAGS = -I/home/drh/tcltk/8.4win -DSTATIC_BUILD=1 #TCL_FLAGS = -I/home/drh/tcltk/8.3hpux #### Linker options needed to link against the TCL library. # #LIBTCL = -ltcl -lm -ldl LIBTCL = /home/drh/tcltk/8.4linux/libtcl8.4g.a -lm -ldl #LIBTCL = /home/drh/tcltk/8.4win/libtcl84s.a -lmsvcrt #LIBTCL = /home/drh/tcltk/8.3hpux/libtcl8.3.a -ldld -lm -lc #### Compiler options needed for programs that use the readline() library. # #READLINE_FLAGS = READLINE_FLAGS = -DHAVE_READLINE=1 -I/usr/include/readline #### Linker options needed by programs using readline() must link against. |
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Changes to src/btree.c.
1 2 3 4 5 6 7 8 9 10 11 | /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** $Id: btree.c,v 1.33 2001/10/06 16:33:02 drh Exp $ ** ** This file implements a external (disk-based) database using BTrees. ** For a detailed discussion of BTrees, refer to ** ** Donald E. Knuth, THE ART OF COMPUTER PROGRAMMING, Volume 3: ** "Sorting And Searching", pages 473-480. Addison-Wesley ** Publishing Company, Reading, Massachusetts. |
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591 592 593 594 595 596 597 598 599 600 601 602 603 604 | /* ** Open a new database. ** ** Actually, this routine just sets up the internal data structures ** for accessing the database. We do not open the database file ** until the first page is loaded. */ int sqliteBtreeOpen( const char *zFilename, /* Name of the file containing the BTree database */ int mode, /* Not currently used */ int nCache, /* How many pages in the page cache */ Btree **ppBtree /* Pointer to new Btree object written here */ ){ | > > > > | 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 | /* ** Open a new database. ** ** Actually, this routine just sets up the internal data structures ** for accessing the database. We do not open the database file ** until the first page is loaded. ** ** zFilename is the name of the database file. If zFilename is NULL ** a new database with a random name is created. The database will be ** destroyed when sqliteBtreeClose() is called. */ int sqliteBtreeOpen( const char *zFilename, /* Name of the file containing the BTree database */ int mode, /* Not currently used */ int nCache, /* How many pages in the page cache */ Btree **ppBtree /* Pointer to new Btree object written here */ ){ |
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Changes to src/build.c.
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21 22 23 24 25 26 27 | ** COPY ** VACUUM ** BEGIN TRANSACTION ** COMMIT ** ROLLBACK ** PRAGMA ** | | | 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | ** COPY ** VACUUM ** BEGIN TRANSACTION ** COMMIT ** ROLLBACK ** PRAGMA ** ** $Id: build.c,v 1.44 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** This routine is called after a single SQL statement has been ** parsed and we want to execute the VDBE code to implement |
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199 200 201 202 203 204 205 206 207 208 209 210 211 212 | void sqliteDeleteTable(sqlite *db, Table *pTable){ int i; Index *pIndex, *pNext; if( pTable==0 ) return; for(i=0; i<pTable->nCol; i++){ sqliteFree(pTable->aCol[i].zName); sqliteFree(pTable->aCol[i].zDflt); } for(pIndex = pTable->pIndex; pIndex; pIndex=pNext){ pNext = pIndex->pNext; sqliteDeleteIndex(db, pIndex); } sqliteFree(pTable->zName); sqliteFree(pTable->aCol); | > | 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 | void sqliteDeleteTable(sqlite *db, Table *pTable){ int i; Index *pIndex, *pNext; if( pTable==0 ) return; for(i=0; i<pTable->nCol; i++){ sqliteFree(pTable->aCol[i].zName); sqliteFree(pTable->aCol[i].zDflt); sqliteFree(pTable->aCol[i].zType); } for(pIndex = pTable->pIndex; pIndex; pIndex=pNext){ pNext = pIndex->pNext; sqliteDeleteIndex(db, pIndex); } sqliteFree(pTable->zName); sqliteFree(pTable->aCol); |
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331 332 333 334 335 336 337 | /* ** Begin constructing a new table representation in memory. This is ** the first of several action routines that get called in response ** to a CREATE TABLE statement. In particular, this routine is called ** after seeing tokens "CREATE" and "TABLE" and the table name. The ** pStart token is the CREATE and pName is the table name. ** | | | 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 | /* ** Begin constructing a new table representation in memory. This is ** the first of several action routines that get called in response ** to a CREATE TABLE statement. In particular, this routine is called ** after seeing tokens "CREATE" and "TABLE" and the table name. The ** pStart token is the CREATE and pName is the table name. ** ** The new table is constructed in fields of the pParse structure. As ** more of the CREATE TABLE statement is parsed, additional action ** routines are called to build up more of the table. */ void sqliteStartTable(Parse *pParse, Token *pStart, Token *pName){ Table *pTable; char *zName; sqlite *db = pParse->db; |
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401 402 403 404 405 406 407 408 409 410 411 412 413 414 | } } memset(&p->aCol[p->nCol], 0, sizeof(p->aCol[0])); pz = &p->aCol[p->nCol++].zName; sqliteSetNString(pz, pName->z, pName->n, 0); sqliteDequote(*pz); } /* ** The given token is the default value for the last column added to ** the table currently under construction. If "minusFlag" is true, it ** means the value token was preceded by a minus sign. ** ** This routine is called by the parser while in the middle of | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 | } } memset(&p->aCol[p->nCol], 0, sizeof(p->aCol[0])); pz = &p->aCol[p->nCol++].zName; sqliteSetNString(pz, pName->z, pName->n, 0); sqliteDequote(*pz); } /* ** This routine is called by the parser while in the middle of ** parsing a CREATE TABLE statement. A "NOT NULL" constraint has ** been seen on a column. This routine sets the notNull flag on ** the column currently under construction. */ void sqliteAddNotNull(Parse *pParse){ Table *p; int i; if( (p = pParse->pNewTable)==0 ) return; i = p->nCol-1; p->aCol[i].notNull = 1; } /* ** This routine is called by the parser while in the middle of ** parsing a CREATE TABLE statement. The pFirst token is the first ** token in the sequence of tokens that describe the type of the ** column currently under construction. pLast is the last token ** in the sequence. Use this information to construct a string ** that contains the typename of the column and store that string ** in zType. */ void sqliteAddColumnType(Parse *pParse, Token *pFirst, Token *pLast){ Table *p; int i, j; int n; char *z, **pz; if( (p = pParse->pNewTable)==0 ) return; i = p->nCol-1; pz = &p->aCol[i].zType; n = pLast->n + ((int)pLast->z) - (int)pFirst->z; sqliteSetNString(pz, pFirst->z, n, 0); z = *pz; for(i=j=0; z[i]; i++){ int c = z[i]; if( isspace(c) ) continue; z[j++] = c; } z[j] = 0; } /* ** The given token is the default value for the last column added to ** the table currently under construction. If "minusFlag" is true, it ** means the value token was preceded by a minus sign. ** ** This routine is called by the parser while in the middle of |
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482 483 484 485 486 487 488 | db->flags |= SQLITE_InternChanges; } /* If the initFlag is 1 it means we are reading the SQL off the ** "sqlite_master" table on the disk. So do not write to the disk ** again. Extract the root page number for the table from the ** pParse->newTnum field. (The page number should have been put | | < < | 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 | db->flags |= SQLITE_InternChanges; } /* If the initFlag is 1 it means we are reading the SQL off the ** "sqlite_master" table on the disk. So do not write to the disk ** again. Extract the root page number for the table from the ** pParse->newTnum field. (The page number should have been put ** there by the sqliteOpenCb routine.) */ if( pParse->initFlag ){ p->tnum = pParse->newTnum; } /* If not initializing, then create a record for the new table ** in the SQLITE_MASTER table of the database. |
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614 615 616 617 618 619 620 | } /* ** Create a new index for an SQL table. pIndex is the name of the index ** and pTable is the name of the table that is to be indexed. Both will ** be NULL for a primary key or an index that is created to satisfy a ** UNIQUE constraint. If pTable and pIndex are NULL, use pParse->pNewTable | | > | | | | 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 | } /* ** Create a new index for an SQL table. pIndex is the name of the index ** and pTable is the name of the table that is to be indexed. Both will ** be NULL for a primary key or an index that is created to satisfy a ** UNIQUE constraint. If pTable and pIndex are NULL, use pParse->pNewTable ** as the table to be indexed. pParse->pNewTable is a table that is ** currently being constructed by a CREATE TABLE statement. ** ** pList is a list of columns to be indexed. pList will be NULL if this ** is a primary key or unique-constraint on the most recent column added ** to the table currently under construction. */ void sqliteCreateIndex( Parse *pParse, /* All information about this parse */ Token *pName, /* Name of the index. May be NULL */ Token *pTable, /* Name of the table to index. Use pParse->pNewTable if 0 */ IdList *pList, /* A list of columns to be indexed */ int isUnique, /* True if all entries in this index must be unique */ |
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759 760 761 762 763 764 765 | ** The initFlag is 0 when the user first enters a CREATE INDEX ** command. The initFlag is 1 when a database is opened and ** CREATE INDEX statements are read out of the master table. In ** the latter case the index already exists on disk, which is why ** we don't want to recreate it. ** ** If pTable==0 it means this index is generated as a primary key | | | < | | 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 | ** The initFlag is 0 when the user first enters a CREATE INDEX ** command. The initFlag is 1 when a database is opened and ** CREATE INDEX statements are read out of the master table. In ** the latter case the index already exists on disk, which is why ** we don't want to recreate it. ** ** If pTable==0 it means this index is generated as a primary key ** or UNIQUE constraint of a CREATE TABLE statement. Since the table ** has just been created, it contains no data and the index initialization ** step can be skipped. */ else if( pParse->initFlag==0 ){ int n; Vdbe *v; int lbl1, lbl2; int i; int addr; |
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792 793 794 795 796 797 798 799 800 | addr = sqliteVdbeAddOp(v, OP_CreateIndex, 0, 0, 0, 0); sqliteVdbeChangeP3(v, addr, (char*)&pIndex->tnum, -1); pIndex->tnum = 0; if( pTable ){ sqliteVdbeAddOp(v, OP_Dup, 0, 0, 0, 0); sqliteVdbeAddOp(v, OP_OpenWrite, 1, 0, 0, 0); } if( pStart && pEnd ){ n = (int)pEnd->z - (int)pStart->z + 1; | > < < < | 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 | addr = sqliteVdbeAddOp(v, OP_CreateIndex, 0, 0, 0, 0); sqliteVdbeChangeP3(v, addr, (char*)&pIndex->tnum, -1); pIndex->tnum = 0; if( pTable ){ sqliteVdbeAddOp(v, OP_Dup, 0, 0, 0, 0); sqliteVdbeAddOp(v, OP_OpenWrite, 1, 0, 0, 0); } addr = sqliteVdbeAddOp(v, OP_String, 0, 0, 0, 0); if( pStart && pEnd ){ n = (int)pEnd->z - (int)pStart->z + 1; sqliteVdbeChangeP3(v, addr, pStart->z, n); } sqliteVdbeAddOp(v, OP_MakeRecord, 5, 0, 0, 0); sqliteVdbeAddOp(v, OP_Put, 0, 0, 0, 0); if( pTable ){ sqliteVdbeAddOp(v, OP_Open, 2, pTab->tnum, pTab->zName, 0); lbl1 = sqliteVdbeMakeLabel(v); lbl2 = sqliteVdbeMakeLabel(v); |
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1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 | }else if( sqliteStrICmp(zLeft, "vdbe_trace")==0 ){ if( getBoolean(zRight) ){ db->flags |= SQLITE_VdbeTrace; }else{ db->flags &= ~SQLITE_VdbeTrace; } }else #ifndef NDEBUG if( sqliteStrICmp(zLeft, "parser_trace")==0 ){ extern void sqliteParserTrace(FILE*, char *); if( getBoolean(zRight) ){ | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 | }else if( sqliteStrICmp(zLeft, "vdbe_trace")==0 ){ if( getBoolean(zRight) ){ db->flags |= SQLITE_VdbeTrace; }else{ db->flags &= ~SQLITE_VdbeTrace; } }else if( sqliteStrICmp(zLeft, "full_column_names")==0 ){ if( getBoolean(zRight) ){ db->flags |= SQLITE_FullColNames; }else{ db->flags &= ~SQLITE_FullColNames; } }else if( sqliteStrICmp(zLeft, "table_info")==0 ){ Table *pTab; Vdbe *v; pTab = sqliteFindTable(db, zRight); if( pTab ) v = sqliteGetVdbe(pParse); if( pTab && v ){ static VdbeOp tableInfoPreface[] = { { OP_ColumnCount, 5, 0, 0}, { OP_ColumnName, 0, 0, "cid"}, { OP_ColumnName, 1, 0, "name"}, { OP_ColumnName, 2, 0, "type"}, { OP_ColumnName, 3, 0, "notnull"}, { OP_ColumnName, 4, 0, "dflt_value"}, }; int i; sqliteVdbeAddOpList(v, ArraySize(tableInfoPreface), tableInfoPreface); for(i=0; i<pTab->nCol; i++){ sqliteVdbeAddOp(v, OP_Integer, i, 0, 0, 0); sqliteVdbeAddOp(v, OP_String, 0, 0, pTab->aCol[i].zName, 0); sqliteVdbeAddOp(v, OP_String, 0, 0, pTab->aCol[i].zType ? pTab->aCol[i].zType : "text", 0); sqliteVdbeAddOp(v, OP_Integer, pTab->aCol[i].notNull, 0, 0, 0); sqliteVdbeAddOp(v, OP_String, 0, 0, pTab->aCol[i].zDflt, 0); sqliteVdbeAddOp(v, OP_Callback, 5, 0, 0, 0); } } }else if( sqliteStrICmp(zLeft, "index_info")==0 ){ Index *pIdx; Table *pTab; Vdbe *v; pIdx = sqliteFindIndex(db, zRight); if( pIdx ) v = sqliteGetVdbe(pParse); if( pIdx && v ){ static VdbeOp tableInfoPreface[] = { { OP_ColumnCount, 3, 0, 0}, { OP_ColumnName, 0, 0, "seqno"}, { OP_ColumnName, 1, 0, "cid"}, { OP_ColumnName, 2, 0, "name"}, }; int i; pTab = pIdx->pTable; sqliteVdbeAddOpList(v, ArraySize(tableInfoPreface), tableInfoPreface); for(i=0; i<pIdx->nColumn; i++){ sqliteVdbeAddOp(v, OP_Integer, i, 0, 0, 0); sqliteVdbeAddOp(v, OP_Integer, pIdx->aiColumn[i], 0, 0, 0); sqliteVdbeAddOp(v, OP_String, 0, 0, pTab->aCol[pIdx->aiColumn[i]].zName, 0); sqliteVdbeAddOp(v, OP_Callback, 3, 0, 0, 0); } } }else #ifndef NDEBUG if( sqliteStrICmp(zLeft, "parser_trace")==0 ){ extern void sqliteParserTrace(FILE*, char *); if( getBoolean(zRight) ){ |
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Changes to src/expr.c.
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8 9 10 11 12 13 14 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains routines used for analyzing expressions and ** for generating VDBE code that evaluates expressions in SQLite. ** | | | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains routines used for analyzing expressions and ** for generating VDBE code that evaluates expressions in SQLite. ** ** $Id: expr.c,v 1.29 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" /* ** Walk an expression tree. Return 1 if the expression is constant ** and 0 if it involves variables. */ |
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522 523 524 525 526 527 528 | case TK_STRING: { int addr = sqliteVdbeAddOp(v, OP_String, 0, 0, 0, 0); sqliteVdbeChangeP3(v, addr, pExpr->token.z, pExpr->token.n); sqliteVdbeDequoteP3(v, addr); break; } case TK_NULL: { | | | 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 | case TK_STRING: { int addr = sqliteVdbeAddOp(v, OP_String, 0, 0, 0, 0); sqliteVdbeChangeP3(v, addr, pExpr->token.z, pExpr->token.n); sqliteVdbeDequoteP3(v, addr); break; } case TK_NULL: { sqliteVdbeAddOp(v, OP_String, 0, 0, 0, 0); break; } case TK_AND: case TK_OR: case TK_PLUS: case TK_STAR: case TK_MINUS: |
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Changes to src/insert.c.
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8 9 10 11 12 13 14 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle INSERT statements in SQLite. ** | | | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle INSERT statements in SQLite. ** ** $Id: insert.c,v 1.21 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" /* ** This routine is call to handle SQL of the following forms: ** ** insert into TABLE (IDLIST) values(EXPRLIST) |
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182 183 184 185 186 187 188 | j = i; }else{ for(j=0; j<pColumn->nId; j++){ if( pColumn->a[j].idx==i ) break; } } if( pColumn && j>=pColumn->nId ){ | < < < < | < | 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 | j = i; }else{ for(j=0; j<pColumn->nId; j++){ if( pColumn->a[j].idx==i ) break; } } if( pColumn && j>=pColumn->nId ){ sqliteVdbeAddOp(v, OP_String, 0, 0, pTab->aCol[i].zDflt, 0); }else if( srcTab>=0 ){ sqliteVdbeAddOp(v, OP_Column, srcTab, i, 0, 0); }else{ sqliteExprCode(pParse, pList->a[j].pExpr); } } sqliteVdbeAddOp(v, OP_MakeRecord, pTab->nCol, 0, 0, 0); |
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214 215 216 217 218 219 220 | j = idx; }else{ for(j=0; j<pColumn->nId; j++){ if( pColumn->a[j].idx==idx ) break; } } if( pColumn && j>=pColumn->nId ){ | < < < < | < | 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 | j = idx; }else{ for(j=0; j<pColumn->nId; j++){ if( pColumn->a[j].idx==idx ) break; } } if( pColumn && j>=pColumn->nId ){ sqliteVdbeAddOp(v, OP_String, 0, 0, pTab->aCol[idx].zDflt, 0); }else if( srcTab>=0 ){ sqliteVdbeAddOp(v, OP_Column, srcTab, idx, 0, 0); }else{ sqliteExprCode(pParse, pList->a[j].pExpr); } } sqliteVdbeAddOp(v, OP_MakeIdxKey, pIdx->nColumn, 0, 0, 0); |
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Changes to src/main.c.
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10 11 12 13 14 15 16 | ** ************************************************************************* ** Main file for the SQLite library. The routines in this file ** implement the programmer interface to the library. Routines in ** other files are for internal use by SQLite and should not be ** accessed by users of the library. ** | | > > | | | > > > > > > > > > > > > | 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 | ** ************************************************************************* ** Main file for the SQLite library. The routines in this file ** implement the programmer interface to the library. Routines in ** other files are for internal use by SQLite and should not be ** accessed by users of the library. ** ** $Id: main.c,v 1.43 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" #include "os.h" /* ** This is the callback routine for the code that initializes the ** database. See sqliteInit() below for additional information. ** ** Each callback contains the following information: ** ** argv[0] = "meta" or "table" or "index" ** argv[1] = table or index name or meta statement type. ** argv[2] = root page number for table or index. NULL for meta. ** argv[3] = SQL create statement for the table or index ** */ static int sqliteOpenCb(void *pDb, int argc, char **argv, char **azColName){ sqlite *db = (sqlite*)pDb; Parse sParse; int nErr = 0; /* TODO: Do some validity checks on all fields. In particular, ** make sure fields do not contain NULLs. Otherwise we might core ** when attempting to initialize from a corrupt database file. */ assert( argc==4 ); switch( argv[0][0] ){ case 'm': { /* Meta information */ if( strcmp(argv[1],"file-format")==0 ){ db->file_format = atoi(argv[3]); }else if( strcmp(argv[1],"schema-cookie")==0 ){ db->schema_cookie = atoi(argv[3]); db->next_cookie = db->schema_cookie; } break; } case 'i': case 't': { /* CREATE TABLE and CREATE INDEX statements */ if( argv[3] && argv[3][0] ){ /* Call the parser to process a CREATE TABLE or CREATE INDEX statement. ** But because sParse.initFlag is set to 1, no VDBE code is generated ** or executed. All the parser does is build the internal data ** structures that describe the table or index. */ memset(&sParse, 0, sizeof(sParse)); sParse.db = db; sParse.initFlag = 1; sParse.newTnum = atoi(argv[2]); nErr = sqliteRunParser(&sParse, argv[3], 0); }else{ /* If the SQL column is blank it means this is an index that ** was created to be the PRIMARY KEY or to fulfill a UNIQUE ** constraint or a CREATE TABLE. The index should have already ** been created when we processed the CREATE TABLE. All we have ** to do here is record the root page. */ Index *pIndex = sqliteFindIndex(db, argv[1]); if( pIndex==0 || pIndex->tnum!=0 ){ nErr++; }else{ pIndex->tnum = atoi(argv[2]); } } |
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119 120 121 122 123 124 125 | ** ** The sqlite_master table contains a single entry for each table ** and each index. The "type" column tells whether the entry is ** a table or index. The "name" column is the name of the object. ** The "tbl_name" is the name of the associated table. For tables, ** the tbl_name column is always the same as name. For indices, the ** tbl_name column contains the name of the table that the index | > > | | > | | 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 | ** ** The sqlite_master table contains a single entry for each table ** and each index. The "type" column tells whether the entry is ** a table or index. The "name" column is the name of the object. ** The "tbl_name" is the name of the associated table. For tables, ** the tbl_name column is always the same as name. For indices, the ** tbl_name column contains the name of the table that the index ** indexes. The "rootpage" column holds the number of the root page ** for the b-tree for the table or index. Finally, the "sql" column ** contains the complete text of the CREATE TABLE or CREATE INDEX ** statement that originally created the table or index. If an index ** was created to fulfill a PRIMARY KEY or UNIQUE constraint on a table, ** then the "sql" column is NULL. ** ** If the "type" column has the value "meta", then the "sql" column ** contains extra information about the database, such as the ** file format version number. All meta information must be processed ** before any tables or indices are constructed. ** ** The following program invokes its callback on the SQL for each |
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171 172 173 174 175 176 177 | { OP_Column, 0, 1, 0}, { OP_Column, 0, 3, 0}, { OP_Column, 0, 4, 0}, { OP_Callback, 4, 0, 0}, { OP_Goto, 0, 24, 0}, { OP_String, 0, 0, "meta"}, /* 34 */ { OP_String, 0, 0, "schema-cookie"}, | | | | 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 | { OP_Column, 0, 1, 0}, { OP_Column, 0, 3, 0}, { OP_Column, 0, 4, 0}, { OP_Callback, 4, 0, 0}, { OP_Goto, 0, 24, 0}, { OP_String, 0, 0, "meta"}, /* 34 */ { OP_String, 0, 0, "schema-cookie"}, { OP_String, 0, 0, 0}, { OP_ReadCookie,0,0, 0}, { OP_Callback, 4, 0, 0}, { OP_Close, 0, 0, 0}, { OP_Halt, 0, 0, 0}, }; /* Create a virtual machine to run the initialization program. Run ** the program. Then delete the virtual machine. */ vdbe = sqliteVdbeCreate(db); if( vdbe==0 ){ sqliteSetString(pzErrMsg, "out of memory"); return SQLITE_NOMEM; } sqliteVdbeAddOpList(vdbe, sizeof(initProg)/sizeof(initProg[0]), initProg); |
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Changes to src/pager.c.
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14 15 16 17 18 19 20 | ** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** | | | 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | ** The pager is used to access a database disk file. It implements ** atomic commit and rollback through the use of a journal file that ** is separate from the database file. The pager also implements file ** locking to prevent two processes from writing the same database ** file simultaneously, or one process from reading the database while ** another is writing. ** ** @(#) $Id: pager.c,v 1.25 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" #include "pager.h" #include "os.h" #include <assert.h> #include <string.h> |
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373 374 375 376 377 378 379 380 381 382 383 384 385 386 | } /* ** Create a new page cache and put a pointer to the page cache in *ppPager. ** The file to be cached need not exist. The file is not locked until ** the first call to sqlitepager_get() and is only held open until the ** last page is released using sqlitepager_unref(). */ int sqlitepager_open( Pager **ppPager, /* Return the Pager structure here */ const char *zFilename, /* Name of the database file to open */ int mxPage, /* Max number of in-memory cache pages */ int nExtra /* Extra bytes append to each in-memory page */ ){ | > > > > | 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 | } /* ** Create a new page cache and put a pointer to the page cache in *ppPager. ** The file to be cached need not exist. The file is not locked until ** the first call to sqlitepager_get() and is only held open until the ** last page is released using sqlitepager_unref(). ** ** If zFilename is NULL then a random temporary file is created and used ** as the file to be cached. The file will be deleted automatically when ** it is closed. */ int sqlitepager_open( Pager **ppPager, /* Return the Pager structure here */ const char *zFilename, /* Name of the database file to open */ int mxPage, /* Max number of in-memory cache pages */ int nExtra /* Extra bytes append to each in-memory page */ ){ |
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Changes to src/parse.y.
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10 11 12 13 14 15 16 | ** ************************************************************************* ** This file contains SQLite's grammar for SQL. Process this file ** using the lemon parser generator to generate C code that runs ** the parser. Lemon will also generate a header file containing ** numeric codes for all of the tokens. ** | | | 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | ** ************************************************************************* ** This file contains SQLite's grammar for SQL. Process this file ** using the lemon parser generator to generate C code that runs ** the parser. Lemon will also generate a header file containing ** numeric codes for all of the tokens. ** ** @(#) $Id: parse.y,v 1.34 2001/10/06 16:33:03 drh Exp $ */ %token_prefix TK_ %token_type {Token} %default_type {Token} %extra_argument {Parse *pParse} %syntax_error { sqliteSetString(&pParse->zErrMsg,"syntax error",0); |
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45 46 47 48 49 50 51 | cmdlist ::= ecmd. cmdlist ::= cmdlist SEMI ecmd. ecmd ::= explain cmd. {sqliteExec(pParse);} ecmd ::= cmd. {sqliteExec(pParse);} ecmd ::= . explain ::= EXPLAIN. {pParse->explain = 1;} | | < < | | > | | > | > | > | | > | | < < | | | 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | cmdlist ::= ecmd. cmdlist ::= cmdlist SEMI ecmd. ecmd ::= explain cmd. {sqliteExec(pParse);} ecmd ::= cmd. {sqliteExec(pParse);} ecmd ::= . explain ::= EXPLAIN. {pParse->explain = 1;} ///////////////////// Begin and end transactions. //////////////////////////// // cmd ::= BEGIN trans_opt. {sqliteBeginTransaction(pParse);} trans_opt ::= . trans_opt ::= TRANSACTION. trans_opt ::= TRANSACTION ids. cmd ::= COMMIT trans_opt. {sqliteCommitTransaction(pParse);} cmd ::= END trans_opt. {sqliteCommitTransaction(pParse);} cmd ::= ROLLBACK trans_opt. {sqliteRollbackTransaction(pParse);} ///////////////////// The CREATE TABLE statement //////////////////////////// // cmd ::= create_table create_table_args. create_table ::= CREATE(X) TABLE ids(Y). {sqliteStartTable(pParse,&X,&Y);} create_table_args ::= LP columnlist conslist_opt RP(X). {sqliteEndTable(pParse,&X);} columnlist ::= columnlist COMMA column. columnlist ::= column. // About the only information used for a column is the name of the // column. The type is always just "text". But the code will accept // an elaborate typename. Perhaps someday we'll do something with it. // column ::= columnid type carglist. columnid ::= ids(X). {sqliteAddColumn(pParse,&X);} // An IDENTIFIER can be a generic identifier, or one of several // keywords. Any non-standard keyword can also be an identifier. // We also make DESC and identifier since it comes up so often (as // an abbreviation of "description"). // %type id {Token} id(A) ::= DESC(X). {A = X;} id(A) ::= ASC(X). {A = X;} id(A) ::= DELIMITERS(X). {A = X;} id(A) ::= EXPLAIN(X). {A = X;} id(A) ::= VACUUM(X). {A = X;} id(A) ::= BEGIN(X). {A = X;} id(A) ::= END(X). {A = X;} id(A) ::= PRAGMA(X). {A = X;} id(A) ::= CLUSTER(X). {A = X;} id(A) ::= ID(X). {A = X;} // And "ids" is an identifer-or-string. // %type ids {Token} ids(A) ::= id(X). {A = X;} ids(A) ::= STRING(X). {A = X;} type ::= . type ::= typename(X). {sqliteAddColumnType(pParse,&X,&X);} type ::= typename(X) LP signed RP(Y). {sqliteAddColumnType(pParse,&X,&Y);} type ::= typename(X) LP signed COMMA signed RP(Y). {sqliteAddColumnType(pParse,&X,&Y);} %type typename {Token} typename(A) ::= ids(X). {A = X;} typename(A) ::= typename(X) ids. {A = X;} signed ::= INTEGER. signed ::= PLUS INTEGER. signed ::= MINUS INTEGER. carglist ::= carglist carg. carglist ::= . carg ::= CONSTRAINT ids ccons. carg ::= ccons. carg ::= DEFAULT STRING(X). {sqliteAddDefaultValue(pParse,&X,0);} carg ::= DEFAULT ID(X). {sqliteAddDefaultValue(pParse,&X,0);} carg ::= DEFAULT INTEGER(X). {sqliteAddDefaultValue(pParse,&X,0);} carg ::= DEFAULT PLUS INTEGER(X). {sqliteAddDefaultValue(pParse,&X,0);} carg ::= DEFAULT MINUS INTEGER(X). {sqliteAddDefaultValue(pParse,&X,1);} carg ::= DEFAULT FLOAT(X). {sqliteAddDefaultValue(pParse,&X,0);} carg ::= DEFAULT PLUS FLOAT(X). {sqliteAddDefaultValue(pParse,&X,0);} carg ::= DEFAULT MINUS FLOAT(X). {sqliteAddDefaultValue(pParse,&X,1);} carg ::= DEFAULT NULL. // In addition to the type name, we also care about the primary key and // UNIQUE constraints. // ccons ::= NOT NULL. {sqliteAddNotNull(pParse);} ccons ::= PRIMARY KEY sortorder. {sqliteCreateIndex(pParse,0,0,0,1,0,0);} ccons ::= UNIQUE. {sqliteCreateIndex(pParse,0,0,0,1,0,0);} ccons ::= CHECK LP expr RP. // For the time being, the only constraint we care about is the primary // key and UNIQUE. Both create indices. // conslist_opt ::= . conslist_opt ::= COMMA conslist. conslist ::= conslist COMMA tcons. conslist ::= conslist tcons. conslist ::= tcons. tcons ::= CONSTRAINT ids. tcons ::= PRIMARY KEY LP idxlist(X) RP. {sqliteCreateIndex(pParse,0,0,X,1,0,0);} tcons ::= UNIQUE LP idxlist(X) RP. {sqliteCreateIndex(pParse,0,0,X,1,0,0);} tcons ::= CHECK expr. ////////////////////////// The DROP TABLE ///////////////////////////////////// // cmd ::= DROP TABLE ids(X). {sqliteDropTable(pParse,&X);} //////////////////////// The SELECT statement ///////////////////////////////// // cmd ::= select(X). { sqliteSelect(pParse, X, SRT_Callback, 0); sqliteSelectDelete(X); } %type select {Select*} |
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249 250 251 252 253 254 255 | groupby_opt(A) ::= GROUP BY exprlist(X). {A = X;} %type having_opt {Expr*} %destructor having_opt {sqliteExprDelete($$);} having_opt(A) ::= . {A = 0;} having_opt(A) ::= HAVING expr(X). {A = X;} | | > > > > > | 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 | groupby_opt(A) ::= GROUP BY exprlist(X). {A = X;} %type having_opt {Expr*} %destructor having_opt {sqliteExprDelete($$);} having_opt(A) ::= . {A = 0;} having_opt(A) ::= HAVING expr(X). {A = X;} /////////////////////////// The DELETE statement ///////////////////////////// // cmd ::= DELETE FROM ids(X) where_opt(Y). {sqliteDeleteFrom(pParse, &X, Y);} %type where_opt {Expr*} %destructor where_opt {sqliteExprDelete($$);} where_opt(A) ::= . {A = 0;} where_opt(A) ::= WHERE expr(X). {A = X;} %type setlist {ExprList*} %destructor setlist {sqliteExprListDelete($$);} ////////////////////////// The UPDATE command //////////////////////////////// // cmd ::= UPDATE ids(X) SET setlist(Y) where_opt(Z). {sqliteUpdate(pParse,&X,Y,Z);} setlist(A) ::= setlist(Z) COMMA ids(X) EQ expr(Y). {A = sqliteExprListAppend(Z,Y,&X);} setlist(A) ::= ids(X) EQ expr(Y). {A = sqliteExprListAppend(0,Y,&X);} ////////////////////////// The INSERT command ///////////////////////////////// // cmd ::= INSERT INTO ids(X) inscollist_opt(F) VALUES LP itemlist(Y) RP. {sqliteInsert(pParse, &X, Y, 0, F);} cmd ::= INSERT INTO ids(X) inscollist_opt(F) select(S). {sqliteInsert(pParse, &X, 0, S, F);} %type itemlist {ExprList*} |
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307 308 309 310 311 312 313 314 315 316 317 318 319 320 | %destructor inscollist {sqliteIdListDelete($$);} inscollist_opt(A) ::= . {A = 0;} inscollist_opt(A) ::= LP inscollist(X) RP. {A = X;} inscollist(A) ::= inscollist(X) COMMA ids(Y). {A = sqliteIdListAppend(X,&Y);} inscollist(A) ::= ids(Y). {A = sqliteIdListAppend(0,&Y);} %left OR. %left AND. %right NOT. %left EQ NE ISNULL NOTNULL IS LIKE GLOB BETWEEN IN. %left GT GE LT LE. %left PLUS MINUS. %left STAR SLASH. | > > | 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 | %destructor inscollist {sqliteIdListDelete($$);} inscollist_opt(A) ::= . {A = 0;} inscollist_opt(A) ::= LP inscollist(X) RP. {A = X;} inscollist(A) ::= inscollist(X) COMMA ids(Y). {A = sqliteIdListAppend(X,&Y);} inscollist(A) ::= ids(Y). {A = sqliteIdListAppend(0,&Y);} /////////////////////////// Expression Processing ///////////////////////////// // %left OR. %left AND. %right NOT. %left EQ NE ISNULL NOTNULL IS LIKE GLOB BETWEEN IN. %left GT GE LT LE. %left PLUS MINUS. %left STAR SLASH. |
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448 449 450 451 452 453 454 | exprlist(A) ::= exprlist(X) COMMA expritem(Y). {A = sqliteExprListAppend(X,Y,0);} exprlist(A) ::= expritem(X). {A = sqliteExprListAppend(0,X,0);} expritem(A) ::= expr(X). {A = X;} expritem(A) ::= . {A = 0;} | | > > > > > > > > > > > > | 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 | exprlist(A) ::= exprlist(X) COMMA expritem(Y). {A = sqliteExprListAppend(X,Y,0);} exprlist(A) ::= expritem(X). {A = sqliteExprListAppend(0,X,0);} expritem(A) ::= expr(X). {A = X;} expritem(A) ::= . {A = 0;} ///////////////////////////// The CREATE INDEX command /////////////////////// // cmd ::= CREATE(S) uniqueflag(U) INDEX ids(X) ON ids(Y) LP idxlist(Z) RP(E). {sqliteCreateIndex(pParse, &X, &Y, Z, U, &S, &E);} %type uniqueflag {int} uniqueflag(A) ::= UNIQUE. { A = 1; } uniqueflag(A) ::= . { A = 0; } %type idxlist {IdList*} %destructor idxlist {sqliteIdListDelete($$);} %type idxitem {Token} idxlist(A) ::= idxlist(X) COMMA idxitem(Y). {A = sqliteIdListAppend(X,&Y);} idxlist(A) ::= idxitem(Y). {A = sqliteIdListAppend(0,&Y);} idxitem(A) ::= ids(X). {A = X;} ///////////////////////////// The CREATE INDEX command /////////////////////// // cmd ::= DROP INDEX ids(X). {sqliteDropIndex(pParse, &X);} ///////////////////////////// The DROP INDEX command ///////////////////////// // cmd ::= COPY ids(X) FROM ids(Y) USING DELIMITERS STRING(Z). {sqliteCopy(pParse,&X,&Y,&Z);} cmd ::= COPY ids(X) FROM ids(Y). {sqliteCopy(pParse,&X,&Y,0);} ///////////////////////////// The VACUUM command ///////////////////////////// // cmd ::= VACUUM. {sqliteVacuum(pParse,0);} cmd ::= VACUUM ids(X). {sqliteVacuum(pParse,&X);} ///////////////////////////// The PRAGMA command ///////////////////////////// // cmd ::= PRAGMA ids(X) EQ ids(Y). {sqlitePragma(pParse,&X,&Y,0);} cmd ::= PRAGMA ids(X) EQ ON(Y). {sqlitePragma(pParse,&X,&Y,0);} cmd ::= PRAGMA ids(X) EQ plus_num(Y). {sqlitePragma(pParse,&X,&Y,0);} cmd ::= PRAGMA ids(X) EQ minus_num(Y). {sqlitePragma(pParse,&X,&Y,1);} cmd ::= PRAGMA ids(X) LP ids(Y) RP. {sqlitePragma(pParse,&X,&Y,0);} plus_num(A) ::= plus_opt number(X). {A = X;} minus_num(A) ::= MINUS number(X). {A = X;} number(A) ::= INTEGER(X). {A = X;} number(A) ::= FLOAT(X). {A = X;} plus_opt ::= PLUS. plus_opt ::= . |
Changes to src/select.c.
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8 9 10 11 12 13 14 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle SELECT statements in SQLite. ** | | | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains C code routines that are called by the parser ** to handle SELECT statements in SQLite. ** ** $Id: select.c,v 1.38 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" /* ** Allocate a new Select structure and return a pointer to that ** structure. */ |
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246 247 248 249 250 251 252 | sqliteVdbeChangeP3(v, addr, p->span.z, p->span.n); sqliteVdbeCompressSpace(v, addr); }else if( p->op!=TK_COLUMN || pTabList==0 ){ char zName[30]; sprintf(zName, "column%d", i+1); sqliteVdbeAddOp(v, OP_ColumnName, i, 0, zName, 0); }else{ | | | 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 | sqliteVdbeChangeP3(v, addr, p->span.z, p->span.n); sqliteVdbeCompressSpace(v, addr); }else if( p->op!=TK_COLUMN || pTabList==0 ){ char zName[30]; sprintf(zName, "column%d", i+1); sqliteVdbeAddOp(v, OP_ColumnName, i, 0, zName, 0); }else{ if( pTabList->nId>1 || (pParse->db->flags & SQLITE_FullColNames)!=0 ){ char *zName = 0; Table *pTab = pTabList->a[p->iTable].pTab; char *zTab; zTab = pTabList->a[p->iTable].zAlias; if( zTab==0 ) zTab = pTab->zName; sqliteSetString(&zName, zTab, ".", pTab->aCol[p->iColumn].zName, 0); |
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857 858 859 860 861 862 863 | if( isAgg ){ sqliteVdbeAddOp(v, OP_AggReset, 0, pParse->nAgg, 0, 0); } /* Initialize the memory cell to NULL */ if( eDest==SRT_Mem ){ | | | 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 | if( isAgg ){ sqliteVdbeAddOp(v, OP_AggReset, 0, pParse->nAgg, 0, 0); } /* Initialize the memory cell to NULL */ if( eDest==SRT_Mem ){ sqliteVdbeAddOp(v, OP_String, 0, 0, 0, 0); sqliteVdbeAddOp(v, OP_MemStore, iParm, 0, 0, 0); } /* Begin the database scan */ if( isDistinct ){ sqliteVdbeAddOp(v, OP_OpenTemp, distinct, 0, 0, 0); |
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Changes to src/shell.c.
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8 9 10 11 12 13 14 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code to implement the "sqlite" command line ** utility for accessing SQLite databases. ** | | < | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This file contains code to implement the "sqlite" command line ** utility for accessing SQLite databases. ** ** $Id: shell.c,v 1.36 2001/10/06 16:33:03 drh Exp $ */ #include <stdlib.h> #include <string.h> #include <stdio.h> #include "sqlite.h" #include <ctype.h> #ifdef OS_UNIX # include <signal.h> #endif #if defined(HAVE_READLINE) && HAVE_READLINE==1 # include <readline/readline.h> |
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599 600 601 602 603 604 605 | }else if( strncmp(azArg[1],"column",n2)==0 ){ p->mode = MODE_Column; }else if( strncmp(azArg[1],"list",n2)==0 ){ p->mode = MODE_List; }else if( strncmp(azArg[1],"html",n2)==0 ){ p->mode = MODE_Html; }else if( strncmp(azArg[1],"insert",n2)==0 ){ | < < | 598 599 600 601 602 603 604 605 606 607 608 609 610 611 | }else if( strncmp(azArg[1],"column",n2)==0 ){ p->mode = MODE_Column; }else if( strncmp(azArg[1],"list",n2)==0 ){ p->mode = MODE_List; }else if( strncmp(azArg[1],"html",n2)==0 ){ p->mode = MODE_Html; }else if( strncmp(azArg[1],"insert",n2)==0 ){ p->mode = MODE_Insert; if( nArg>=3 ){ set_table_name(p, azArg[2]); }else{ set_table_name(p, "table"); } }else { |
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904 905 906 907 908 909 910 911 912 913 914 915 916 917 | data.out = stdout; if( argc==3 ){ if( sqlite_exec(db, argv[2], callback, &data, &zErrMsg)!=0 && zErrMsg!=0 ){ fprintf(stderr,"SQL error: %s\n", zErrMsg); exit(1); } }else{ if( isatty(0) ){ printf( "SQLite version %s\n" "Enter \".help\" for instructions\n", sqlite_version ); process_input(&data, 0); | > | 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 | data.out = stdout; if( argc==3 ){ if( sqlite_exec(db, argv[2], callback, &data, &zErrMsg)!=0 && zErrMsg!=0 ){ fprintf(stderr,"SQL error: %s\n", zErrMsg); exit(1); } }else{ extern int isatty(); if( isatty(0) ){ printf( "SQLite version %s\n" "Enter \".help\" for instructions\n", sqlite_version ); process_input(&data, 0); |
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Changes to src/sqlite.h.in.
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8 9 10 11 12 13 14 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This header file defines the interface that the SQLite library ** presents to client programs. ** | | > > > > > > > | 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** This header file defines the interface that the SQLite library ** presents to client programs. ** ** @(#) $Id: sqlite.h.in,v 1.21 2001/10/06 16:33:03 drh Exp $ */ #ifndef _SQLITE_H_ #define _SQLITE_H_ #include <stdarg.h> /* Needed for the definition of va_list */ /* ** The version of the SQLite library. */ #define SQLITE_VERSION "--VERS--" /* ** Make sure we can call this stuff from C++. */ #ifdef __cplusplus extern "C" { #endif /* ** The version string is also compiled into the library so that a program ** can check to make sure that the lib*.a file and the *.h file are from ** the same version. */ extern const char sqlite_version[]; |
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337 338 339 340 341 342 343 344 345 | char *sqlFormat, /* printf-style format string for the SQL */ char ***resultp, /* Result written to a char *[] that this points to */ int *nrow, /* Number of result rows written here */ int *ncolumn, /* Number of result columns written here */ char **errmsg, /* Error msg written here */ va_list ap /* Arguments to the format string */ ); #endif /* _SQLITE_H_ */ | > > > > | 344 345 346 347 348 349 350 351 352 353 354 355 356 | char *sqlFormat, /* printf-style format string for the SQL */ char ***resultp, /* Result written to a char *[] that this points to */ int *nrow, /* Number of result rows written here */ int *ncolumn, /* Number of result columns written here */ char **errmsg, /* Error msg written here */ va_list ap /* Arguments to the format string */ ); #ifdef __cplusplus } /* End of the 'extern "C"' block */ #endif #endif /* _SQLITE_H_ */ |
Changes to src/sqliteInt.h.
1 2 3 4 5 6 7 8 9 10 11 12 13 | /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** Internal interface definitions for SQLite. ** | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | /* ** 2001 September 15 ** ** The author disclaims copyright to this source code. In place of ** a legal notice, here is a blessing: ** ** May you do good and not evil. ** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** Internal interface definitions for SQLite. ** ** @(#) $Id: sqliteInt.h,v 1.57 2001/10/06 16:33:03 drh Exp $ */ #include "sqlite.h" #include "hash.h" #include "vdbe.h" #include "parse.h" #include "btree.h" #include <stdio.h> |
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160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 | ** Possible values for the sqlite.flags. */ #define SQLITE_VdbeTrace 0x00000001 /* True to trace VDBE execution */ #define SQLITE_Initialized 0x00000002 /* True after initialization */ #define SQLITE_Interrupt 0x00000004 /* Cancel current operation */ #define SQLITE_InTrans 0x00000008 /* True if in a transaction */ #define SQLITE_InternChanges 0x00000010 /* Uncommitted Hash table changes */ /* ** Current file format version */ #define SQLITE_FileFormat 2 /* ** information about each column of an SQL table is held in an instance ** of this structure. */ struct Column { char *zName; /* Name of this column */ char *zDflt; /* Default value of this column */ int notNull; /* True if there is a NOT NULL constraint */ }; /* ** Each SQL table is represented in memory by ** an instance of the following structure. */ | > > | 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | ** Possible values for the sqlite.flags. */ #define SQLITE_VdbeTrace 0x00000001 /* True to trace VDBE execution */ #define SQLITE_Initialized 0x00000002 /* True after initialization */ #define SQLITE_Interrupt 0x00000004 /* Cancel current operation */ #define SQLITE_InTrans 0x00000008 /* True if in a transaction */ #define SQLITE_InternChanges 0x00000010 /* Uncommitted Hash table changes */ #define SQLITE_FullColNames 0x00000020 /* Show full column names on SELECT */ /* ** Current file format version */ #define SQLITE_FileFormat 2 /* ** information about each column of an SQL table is held in an instance ** of this structure. */ struct Column { char *zName; /* Name of this column */ char *zDflt; /* Default value of this column */ char *zType; /* Data type for this column */ int notNull; /* True if there is a NOT NULL constraint */ }; /* ** Each SQL table is represented in memory by ** an instance of the following structure. */ |
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419 420 421 422 423 424 425 426 427 428 429 430 431 432 | ExprList *sqliteExprListAppend(ExprList*,Expr*,Token*); void sqliteExprListDelete(ExprList*); void sqlitePragma(Parse*,Token*,Token*,int); void sqliteCommitInternalChanges(sqlite*); void sqliteRollbackInternalChanges(sqlite*); void sqliteStartTable(Parse*,Token*,Token*); void sqliteAddColumn(Parse*,Token*); void sqliteAddDefaultValue(Parse*,Token*,int); void sqliteEndTable(Parse*,Token*); void sqliteDropTable(Parse*, Token*); void sqliteDeleteTable(sqlite*, Table*); void sqliteInsert(Parse*, Token*, ExprList*, Select*, IdList*); IdList *sqliteIdListAppend(IdList*, Token*); void sqliteIdListAddAlias(IdList*, Token*); | > > | 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 | ExprList *sqliteExprListAppend(ExprList*,Expr*,Token*); void sqliteExprListDelete(ExprList*); void sqlitePragma(Parse*,Token*,Token*,int); void sqliteCommitInternalChanges(sqlite*); void sqliteRollbackInternalChanges(sqlite*); void sqliteStartTable(Parse*,Token*,Token*); void sqliteAddColumn(Parse*,Token*); void sqliteAddNotNull(Parse*); void sqliteAddColumnType(Parse*,Token*,Token*); void sqliteAddDefaultValue(Parse*,Token*,int); void sqliteEndTable(Parse*,Token*); void sqliteDropTable(Parse*, Token*); void sqliteDeleteTable(sqlite*, Table*); void sqliteInsert(Parse*, Token*, ExprList*, Select*, IdList*); IdList *sqliteIdListAppend(IdList*, Token*); void sqliteIdListAddAlias(IdList*, Token*); |
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Changes to src/tokenize.c.
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11 12 13 14 15 16 17 | ************************************************************************* ** An tokenizer for SQL ** ** This file contains C code that splits an SQL input string up into ** individual tokens and sends those tokens one-by-one over to the ** parser for analysis. ** | | | 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | ************************************************************************* ** An tokenizer for SQL ** ** This file contains C code that splits an SQL input string up into ** individual tokens and sends those tokens one-by-one over to the ** parser for analysis. ** ** $Id: tokenize.c,v 1.24 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> #include <stdlib.h> /* ** All the keywords of the SQL language are stored as in a hash |
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329 330 331 332 333 334 335 | i += pParse->sLastToken.n; if( once ){ pParse->sFirstToken = pParse->sLastToken; once = 0; } switch( tokenType ){ case TK_SPACE: | < | 329 330 331 332 333 334 335 336 337 338 339 340 341 342 | i += pParse->sLastToken.n; if( once ){ pParse->sFirstToken = pParse->sLastToken; once = 0; } switch( tokenType ){ case TK_SPACE: case TK_COMMENT: { break; } case TK_ILLEGAL: sqliteSetNString(pzErrMsg, "unrecognized token: \"", -1, pParse->sLastToken.z, pParse->sLastToken.n, "\"", 1, 0); nErr++; |
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Changes to src/vdbe.c.
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26 27 28 29 30 31 32 | ** type to the other occurs as necessary. ** ** Most of the code in this file is taken up by the sqliteVdbeExec() ** function which does the work of interpreting a VDBE program. ** But other routines are also provided to help in building up ** a program instruction by instruction. ** | | < | 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 | ** type to the other occurs as necessary. ** ** Most of the code in this file is taken up by the sqliteVdbeExec() ** function which does the work of interpreting a VDBE program. ** But other routines are also provided to help in building up ** a program instruction by instruction. ** ** $Id: vdbe.c,v 1.80 2001/10/06 16:33:03 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** SQL is translated into a sequence of instructions to be ** executed by a virtual machine. Each instruction is an instance ** of the following structure. */ typedef struct VdbeOp Op; |
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1080 1081 1082 1083 1084 1085 1086 | aStack[i].i = pOp->p1; aStack[i].flags = STK_Int; break; } /* Opcode: String * * P3 ** | | > | > > > | | | > > > | 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 | aStack[i].i = pOp->p1; aStack[i].flags = STK_Int; break; } /* Opcode: String * * P3 ** ** The string value P3 is pushed onto the stack. If P3==0 then a ** NULL is pushed onto the stack. */ case OP_String: { int i = ++p->tos; char *z; VERIFY( if( NeedStack(p, p->tos) ) goto no_mem; ) z = pOp->p3; if( z==0 ){ zStack[i] = 0; aStack[i].flags = STK_Null; }else{ zStack[i] = z; aStack[i].n = strlen(z) + 1; aStack[i].flags = STK_Str; } break; } #if 0 /* NOT USED */ /* Opcode: Null * * * ** ** Push a NULL value onto the stack. */ case OP_Null: { int i = ++p->tos; VERIFY( if( NeedStack(p, p->tos) ) goto no_mem; ) zStack[i] = 0; aStack[i].flags = STK_Null; break; } #endif /* Opcode: Pop P1 * * ** ** P1 elements are popped off of the top of stack and discarded. */ case OP_Pop: { PopStack(p, pOp->p1); |
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Changes to test/select1.test.
1 2 3 4 5 6 7 8 9 10 11 12 13 | # 2001 September 15 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing the SELECT statement. # | | | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | # 2001 September 15 # # The author disclaims copyright to this source code. In place of # a legal notice, here is a blessing: # # May you do good and not evil. # May you find forgiveness for yourself and forgive others. # May you share freely, never taking more than you give. # #*********************************************************************** # This file implements regression tests for SQLite library. The # focus of this file is testing the SELECT statement. # # $Id: select1.test,v 1.11 2001/10/06 16:33:03 drh Exp $ set testdir [file dirname $argv0] source $testdir/tester.tcl # Try to select on a non-existant table. # do_test select1-1.1 { |
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234 235 236 237 238 239 240 241 242 243 244 245 246 247 | # Check for column naming # do_test select1-6.1 { set v [catch {execsql2 {SELECT f1 FROM test1 ORDER BY f2}} msg] lappend v $msg } {0 {f1 11 f1 33}} do_test select1-6.2 { set v [catch {execsql2 {SELECT f1 as xyzzy FROM test1 ORDER BY f2}} msg] lappend v $msg } {0 {xyzzy 11 xyzzy 33}} do_test select1-6.3 { set v [catch {execsql2 {SELECT f1 as "xyzzy" FROM test1 ORDER BY f2}} msg] lappend v $msg | > > > > > > > > > > > > > > | 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 | # Check for column naming # do_test select1-6.1 { set v [catch {execsql2 {SELECT f1 FROM test1 ORDER BY f2}} msg] lappend v $msg } {0 {f1 11 f1 33}} do_test select1-6.1.1 { execsql {PRAGMA full_column_names=on} set v [catch {execsql2 {SELECT f1 FROM test1 ORDER BY f2}} msg] lappend v $msg } {0 {f1 11 f1 33}} do_test select1-6.1.2 { set v [catch {execsql2 {SELECT * FROM test1 WHERE f1==11}} msg] execsql {PRAGMA full_column_names=off} lappend v $msg } {0 {test1.f1 11 test1.f2 22}} do_test select1-6.1.2 { set v [catch {execsql2 {SELECT * FROM test1 WHERE f1==11}} msg] lappend v $msg } {0 {f1 11 f2 22}} do_test select1-6.2 { set v [catch {execsql2 {SELECT f1 as xyzzy FROM test1 ORDER BY f2}} msg] lappend v $msg } {0 {xyzzy 11 xyzzy 33}} do_test select1-6.3 { set v [catch {execsql2 {SELECT f1 as "xyzzy" FROM test1 ORDER BY f2}} msg] lappend v $msg |
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Changes to www/changes.tcl.
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12 13 14 15 16 17 18 19 20 21 22 23 24 25 | } proc chng {date desc} { puts "<DT><B>$date</B></DT>" puts "<DD><P><UL>$desc</UL></P></DD>" } chng {2001 Oct 2 (2.0.1)} { <li>Remove some C++ style comments from btree.c so that it will compile using compilers other than gcc.</li> <li>The ".dump" output from the shell does not work if there are embedded newlines anywhere in the data. This is an old bug that was carried forward from version 1.0. To fix it, the ".dump" output no longer | > > > > > > > | 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | } proc chng {date desc} { puts "<DT><B>$date</B></DT>" puts "<DD><P><UL>$desc</UL></P></DD>" } chng {2001 Oct ? (2.0.2)} { <li>Removed some unused "#include <unistd.h>" that were causing problems for VC++.</li> <li>Added the FULL_COLUMN_NAMES pragma. When set to "ON", the names of columns are reported back as TABLE.COLUMN instead of just COLUMN.</li> } chng {2001 Oct 2 (2.0.1)} { <li>Remove some C++ style comments from btree.c so that it will compile using compilers other than gcc.</li> <li>The ".dump" output from the shell does not work if there are embedded newlines anywhere in the data. This is an old bug that was carried forward from version 1.0. To fix it, the ".dump" output no longer |
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Added www/download.tcl.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | # # Run this TCL script to generate HTML for the download.html file. # set rcsid {$Id: download.tcl,v 1.1 2001/10/06 16:33:04 drh Exp $} puts {<html> <head><title>SQLite Download Page</title></head> <body bgcolor=white> <h1 align=center>SQLite Download Page</h1>} #<p align=center>} #puts "This page was last modified on [lrange $rcsid 3 4] GMT<br>" #set vers [lindex $argv 0] #puts "The latest SQLite version is <b>$vers</b>" #puts " created on [exec cat last_change] GMT" #puts {</p>} puts {<h2>Precompiled Binaries For Linux</h2>} proc Product {file desc} { if {![file exists $file]} return set size [file size $file] puts [subst { <table cellpadding="20"> <tr> <td width="150" align="right" valign="top"> <a href="$file">$file</a><br>($size bytes) </td> <td valign="top">[string trim $desc]</td> </tr> </table>}] } Product sqlite.bin.gz { A command-line program for accessing and modifing SQLite databases. See <a href="sqlite.html">the documentation</a> for additional information. } Product tclsqlite.so.gz { Bindings for TCL. You can import this shared library into either tclsh or wish to get SQLite database access from Tcl/Tk. See <a href="tclsqlite.html">the documentation</a> for details. } puts {<h2>Precompiled Binaries For Windows</h2>} Product sqlite.zip { A command-line program for accessing and modifing SQLite databases. See <a href="sqlite.html">the documentation</a> for additional information. } Product tclsqlite.zip { Bindings for TCL. You can import this shared library into either tclsh or wish to get SQLite database access from Tcl/Tk. See <a href="tclsqlite.html">the documentation</a> for details. } puts {<h2>Source Code</h2>} foreach name [lsort -dict -decreasing [glob -nocomplain sqlite-*.tar.gz]] { regexp {sqlite-(.*)\.tar\.gz} $name match vers Product $name " Version $vers of the source tree including all documentation. " } puts { <p><hr /></p> <p> <a href="index.html"><img src="/goback.jpg" border=0 /> Back to the SQLite home page</a> </p> </body></html>} |
Changes to www/index.tcl.
1 2 3 | # # Run this TCL script to generate HTML for the index.html file. # | | | 1 2 3 4 5 6 7 8 9 10 11 | # # Run this TCL script to generate HTML for the index.html file. # set rcsid {$Id: index.tcl,v 1.44 2001/10/06 16:33:04 drh Exp $} puts {<html> <head><title>SQLite: An SQL Database Engine In A C Library</title></head> <body bgcolor=white> <h1 align=center>SQLite: An SQL Database Engine In A C Library</h1> <p align=center>} puts "This page was last modified on [lrange $rcsid 3 4] GMT<br>" |
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166 167 168 169 170 171 172 173 174 175 176 177 178 179 | base$ </pre></blockquote> } puts {<h2>Related Sites</h2> <ul> <li><p>Here is a good <a href="http://w3.one.net/~jhoffman/sqltut.htm"> tutorial on SQL</a>.</p></li> <li><p><a href="http://www.postgresql.org/">PostgreSQL</a> is a full-blown SQL RDBMS that is also open source.</p></li> <li><p><a href="http://www.chordate.com/gadfly.html">Gadfly</a> is another | > > > > | 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 | base$ </pre></blockquote> } puts {<h2>Related Sites</h2> <ul> <li><p>An ODBC driver for SQLite can be found at <a href="http://www.ch-werner.de/sqliteodbc/"> http://www.ch-werner.de/sqliteodbc/</a>.</p></li> <li><p>Here is a good <a href="http://w3.one.net/~jhoffman/sqltut.htm"> tutorial on SQL</a>.</p></li> <li><p><a href="http://www.postgresql.org/">PostgreSQL</a> is a full-blown SQL RDBMS that is also open source.</p></li> <li><p><a href="http://www.chordate.com/gadfly.html">Gadfly</a> is another |
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