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Overview
Comment: | Split the implementation of COPY, PRAGMA, and ATTACH into separate source code files. (CVS 902) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
73359037ea639abb066c74db9c19e84b |
User & Date: | drh 2003-04-06 21:08:24.000 |
Context
2003-04-13
| ||
18:26 | Support in-memory databases for temp tables (CVS 903) (check-in: 96336bffde user: paul tags: trunk) | |
2003-04-06
| ||
21:08 | Split the implementation of COPY, PRAGMA, and ATTACH into separate source code files. (CVS 902) (check-in: 73359037ea user: drh tags: trunk) | |
20:52 | Move the implementation of VACUUM into a separate source file. (CVS 901) (check-in: b123c165fd user: drh tags: trunk) | |
Changes
Changes to Makefile.in.
︙ | ︙ | |||
58 59 60 61 62 63 64 | ENCODING = @ENCODING@ # You should not have to change anything below this line ############################################################################### # Object files for the SQLite library. # | > | | > | > > > | 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 | ENCODING = @ENCODING@ # You should not have to change anything below this line ############################################################################### # Object files for the SQLite library. # LIBOBJ = attach.lo auth.lo btree.lo build.lo copy.lo \ delete.lo expr.lo func.lo hash.lo insert.lo \ main.lo opcodes.lo os.lo pager.lo parse.lo pragma.lo \ printf.lo random.lo select.lo table.lo tokenize.lo \ update.lo util.lo vacuum.lo vdbe.lo \ where.lo trigger.lo # All of the source code files. # SRC = \ $(TOP)/src/attach.c \ $(TOP)/src/auth.c \ $(TOP)/src/btree.c \ $(TOP)/src/btree.h \ $(TOP)/src/build.c \ $(TOP)/src/copy.c \ $(TOP)/src/delete.c \ $(TOP)/src/expr.c \ $(TOP)/src/func.c \ $(TOP)/src/hash.c \ $(TOP)/src/hash.h \ $(TOP)/src/insert.c \ $(TOP)/src/main.c \ $(TOP)/src/os.c \ $(TOP)/src/pager.c \ $(TOP)/src/pager.h \ $(TOP)/src/parse.y \ $(TOP)/src/pragma.c \ $(TOP)/src/printf.c \ $(TOP)/src/random.c \ $(TOP)/src/select.c \ $(TOP)/src/shell.c \ $(TOP)/src/sqlite.h.in \ $(TOP)/src/sqliteInt.h \ $(TOP)/src/table.c \ |
︙ | ︙ | |||
237 238 239 240 241 242 243 244 245 246 247 248 249 250 | vdbe.lo: $(TOP)/src/vdbe.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/vdbe.c where.lo: $(TOP)/src/where.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/where.c delete.lo: $(TOP)/src/delete.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/delete.c expr.lo: $(TOP)/src/expr.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/expr.c func.lo: $(TOP)/src/func.c $(HDR) | > > > | 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 | vdbe.lo: $(TOP)/src/vdbe.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/vdbe.c where.lo: $(TOP)/src/where.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/where.c copy.lo: $(TOP)/src/copy.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/copy.c delete.lo: $(TOP)/src/delete.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/delete.c expr.lo: $(TOP)/src/expr.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/expr.c func.lo: $(TOP)/src/func.c $(HDR) |
︙ | ︙ | |||
273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 | vacuum.lo: $(TOP)/src/vacuum.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/vacuum.c tclsqlite.lo: $(TOP)/src/tclsqlite.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/tclsqlite.c printf.lo: $(TOP)/src/printf.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/printf.c auth.lo: $(TOP)/src/auth.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/auth.c tclsqlite: $(TOP)/src/tclsqlite.c libsqlite.la $(LIBTOOL) $(TCC) $(TCL_FLAGS) -DTCLSH=1 -o tclsqlite \ $(TOP)/src/tclsqlite.c libsqlite.la $(LIBTCL) | > > > > > > | 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 | vacuum.lo: $(TOP)/src/vacuum.c $(HDR) $(LIBTOOL) $(TCC) -c $(TOP)/src/vacuum.c tclsqlite.lo: $(TOP)/src/tclsqlite.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/tclsqlite.c pragma.lo: $(TOP)/src/pragma.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/pragma.c printf.lo: $(TOP)/src/printf.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/printf.c attach.lo: $(TOP)/src/attach.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/attach.c auth.lo: $(TOP)/src/auth.c $(HDR) $(LIBTOOL) $(TCC) $(TCL_FLAGS) -c $(TOP)/src/auth.c tclsqlite: $(TOP)/src/tclsqlite.c libsqlite.la $(LIBTOOL) $(TCC) $(TCL_FLAGS) -DTCLSH=1 -o tclsqlite \ $(TOP)/src/tclsqlite.c libsqlite.la $(LIBTCL) |
︙ | ︙ |
Changes to main.mk.
︙ | ︙ | |||
50 51 52 53 54 55 56 | # This is how we compile # TCCX = $(TCC) $(OPTS) $(THREADSAFE) $(USLEEP) -I. -I$(TOP)/src # Object files for the SQLite library. # | > | | > > > | 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 | # This is how we compile # TCCX = $(TCC) $(OPTS) $(THREADSAFE) $(USLEEP) -I. -I$(TOP)/src # Object files for the SQLite library. # LIBOBJ = attach.o auth.o btree.o build.o copy.o delete.o \ expr.o func.o hash.o insert.o \ main.o opcodes.o os.o pager.o parse.o pragma.o printf.o random.o \ select.o table.o tokenize.o trigger.o update.o util.o \ vacuum.o vdbe.o where.o tclsqlite.o # All of the source code files. # SRC = \ $(TOP)/src/attach.c \ $(TOP)/src/auth.c \ $(TOP)/src/btree.c \ $(TOP)/src/btree.h \ $(TOP)/src/build.c \ $(TOP)/src/copy.c \ $(TOP)/src/delete.c \ $(TOP)/src/expr.c \ $(TOP)/src/func.c \ $(TOP)/src/hash.c \ $(TOP)/src/hash.h \ $(TOP)/src/insert.c \ $(TOP)/src/main.c \ $(TOP)/src/os.c \ $(TOP)/src/pager.c \ $(TOP)/src/pager.h \ $(TOP)/src/parse.y \ $(TOP)/src/pragma.c \ $(TOP)/src/printf.c \ $(TOP)/src/random.c \ $(TOP)/src/select.c \ $(TOP)/src/shell.c \ $(TOP)/src/sqlite.h.in \ $(TOP)/src/sqliteInt.h \ $(TOP)/src/table.c \ |
︙ | ︙ | |||
231 232 233 234 235 236 237 238 239 240 241 242 243 244 | $(TCCX) -c $(TOP)/src/vacuum.c vdbe.o: $(TOP)/src/vdbe.c $(HDR) $(TCCX) -c $(TOP)/src/vdbe.c where.o: $(TOP)/src/where.c $(HDR) $(TCCX) -c $(TOP)/src/where.c delete.o: $(TOP)/src/delete.c $(HDR) $(TCCX) -c $(TOP)/src/delete.c expr.o: $(TOP)/src/expr.c $(HDR) $(TCCX) -c $(TOP)/src/expr.c | > > > | 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 | $(TCCX) -c $(TOP)/src/vacuum.c vdbe.o: $(TOP)/src/vdbe.c $(HDR) $(TCCX) -c $(TOP)/src/vdbe.c where.o: $(TOP)/src/where.c $(HDR) $(TCCX) -c $(TOP)/src/where.c copy.o: $(TOP)/src/copy.c $(HDR) $(TCCX) -c $(TOP)/src/copy.c delete.o: $(TOP)/src/delete.c $(HDR) $(TCCX) -c $(TOP)/src/delete.c expr.o: $(TOP)/src/expr.c $(HDR) $(TCCX) -c $(TOP)/src/expr.c |
︙ | ︙ | |||
262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 | update.o: $(TOP)/src/update.c $(HDR) $(TCCX) -c $(TOP)/src/update.c tclsqlite.o: $(TOP)/src/tclsqlite.c $(HDR) $(TCCX) $(TCL_FLAGS) -c $(TOP)/src/tclsqlite.c printf.o: $(TOP)/src/printf.c $(HDR) $(TCCX) $(TCL_FLAGS) -c $(TOP)/src/printf.c auth.o: $(TOP)/src/auth.c $(HDR) $(TCCX) -c $(TOP)/src/auth.c tclsqlite: $(TOP)/src/tclsqlite.c libsqlite.a $(TCCX) $(TCL_FLAGS) -DTCLSH=1 -o tclsqlite \ $(TOP)/src/tclsqlite.c libsqlite.a $(LIBTCL) | > > > > > > | 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 | update.o: $(TOP)/src/update.c $(HDR) $(TCCX) -c $(TOP)/src/update.c tclsqlite.o: $(TOP)/src/tclsqlite.c $(HDR) $(TCCX) $(TCL_FLAGS) -c $(TOP)/src/tclsqlite.c pragma.o: $(TOP)/src/pragma.c $(HDR) $(TCCX) $(TCL_FLAGS) -c $(TOP)/src/pragma.c printf.o: $(TOP)/src/printf.c $(HDR) $(TCCX) $(TCL_FLAGS) -c $(TOP)/src/printf.c attach.o: $(TOP)/src/attach.c $(HDR) $(TCCX) -c $(TOP)/src/attach.c auth.o: $(TOP)/src/auth.c $(HDR) $(TCCX) -c $(TOP)/src/auth.c tclsqlite: $(TOP)/src/tclsqlite.c libsqlite.a $(TCCX) $(TCL_FLAGS) -DTCLSH=1 -o tclsqlite \ $(TOP)/src/tclsqlite.c libsqlite.a $(LIBTCL) |
︙ | ︙ |
Added src/attach.c.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 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 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 | /* ** 2003 April 6 ** ** 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 contains code used to implement the ATTACH and DETACH commands. ** ** $Id: attach.c,v 1.1 2003/04/06 21:08:24 drh Exp $ */ #include "sqliteInt.h" /* ** This routine is called by the parser to process an ATTACH statement: ** ** ATTACH DATABASE filename AS dbname ** ** The pFilename and pDbname arguments are the tokens that define the ** filename and dbname in the ATTACH statement. */ void sqliteAttach(Parse *pParse, Token *pFilename, Token *pDbname){ Db *aNew; int rc, i; char *zFile, *zName; sqlite *db; if( pParse->explain ) return; db = pParse->db; if( db->file_format<4 ){ sqliteErrorMsg(pParse, "cannot attach auxiliary databases to an " "older format master database", 0); pParse->rc = SQLITE_ERROR; return; } if( db->nDb>=MAX_ATTACHED+2 ){ sqliteErrorMsg(pParse, "too many attached databases - max %d", MAX_ATTACHED); pParse->rc = SQLITE_ERROR; return; } if( db->aDb==db->aDbStatic ){ aNew = sqliteMalloc( sizeof(db->aDb[0])*3 ); if( aNew==0 ) return; memcpy(aNew, db->aDb, sizeof(db->aDb[0])*2); }else{ aNew = sqliteRealloc(db->aDb, sizeof(db->aDb[0])*(db->nDb+1) ); if( aNew==0 ) return; } db->aDb = aNew; aNew = &db->aDb[db->nDb++]; memset(aNew, 0, sizeof(*aNew)); sqliteHashInit(&aNew->tblHash, SQLITE_HASH_STRING, 0); sqliteHashInit(&aNew->idxHash, SQLITE_HASH_STRING, 0); sqliteHashInit(&aNew->trigHash, SQLITE_HASH_STRING, 0); sqliteHashInit(&aNew->aFKey, SQLITE_HASH_STRING, 1); zName = 0; sqliteSetNString(&zName, pDbname->z, pDbname->n, 0); if( zName==0 ) return; sqliteDequote(zName); for(i=0; i<db->nDb; i++){ if( db->aDb[i].zName && sqliteStrICmp(db->aDb[i].zName, zName)==0 ){ sqliteErrorMsg(pParse, "database %z is already in use", zName); db->nDb--; pParse->rc = SQLITE_ERROR; return; } } aNew->zName = zName; zFile = 0; sqliteSetNString(&zFile, pFilename->z, pFilename->n, 0); if( zFile==0 ) return; sqliteDequote(zFile); rc = sqliteBtreeOpen(zFile, 0, MAX_PAGES, &aNew->pBt); if( rc ){ sqliteErrorMsg(pParse, "unable to open database: %s", zFile); } sqliteFree(zFile); db->flags &= ~SQLITE_Initialized; if( pParse->nErr ) return; rc = sqliteInit(pParse->db, &pParse->zErrMsg); if( rc ){ sqliteResetInternalSchema(db, 0); pParse->nErr++; pParse->rc = SQLITE_ERROR; } } /* ** This routine is called by the parser to process a DETACH statement: ** ** DETACH DATABASE dbname ** ** The pDbname argument is the name of the database in the DETACH statement. */ void sqliteDetach(Parse *pParse, Token *pDbname){ int i; sqlite *db; if( pParse->explain ) return; db = pParse->db; for(i=0; i<db->nDb; i++){ if( db->aDb[i].pBt==0 || db->aDb[i].zName==0 ) continue; if( strlen(db->aDb[i].zName)!=pDbname->n ) continue; if( sqliteStrNICmp(db->aDb[i].zName, pDbname->z, pDbname->n)==0 ) break; } if( i>=db->nDb ){ sqliteErrorMsg(pParse, "no such database: %T", pDbname); return; } if( i<2 ){ sqliteErrorMsg(pParse, "cannot detach database %T", pDbname); return; } sqliteBtreeClose(db->aDb[i].pBt); db->aDb[i].pBt = 0; sqliteResetInternalSchema(db, i); db->nDb--; if( i<db->nDb ){ db->aDb[i] = db->aDb[db->nDb]; memset(&db->aDb[db->nDb], 0, sizeof(db->aDb[0])); sqliteResetInternalSchema(db, i); } } |
Changes to src/build.c.
︙ | ︙ | |||
14 15 16 17 18 19 20 | ** following kinds of SQL syntax: ** ** CREATE TABLE ** DROP TABLE ** CREATE INDEX ** DROP INDEX ** creating ID lists | < | | 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | ** following kinds of SQL syntax: ** ** CREATE TABLE ** DROP TABLE ** CREATE INDEX ** DROP INDEX ** creating ID lists ** BEGIN TRANSACTION ** COMMIT ** ROLLBACK ** PRAGMA ** ** $Id: build.c,v 1.143 2003/04/06 21:08:24 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> /* ** This routine is called when a new SQL statement is beginning to ** be parsed. Check to see if the schema for the database needs |
︙ | ︙ | |||
1976 1977 1978 1979 1980 1981 1982 | sqliteSelectDelete(pList->a[i].pSelect); sqliteExprDelete(pList->a[i].pOn); sqliteIdListDelete(pList->a[i].pUsing); } sqliteFree(pList); } | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 | sqliteSelectDelete(pList->a[i].pSelect); sqliteExprDelete(pList->a[i].pOn); sqliteIdListDelete(pList->a[i].pUsing); } sqliteFree(pList); } /* ** Begin a transaction */ void sqliteBeginTransaction(Parse *pParse, int onError){ sqlite *db; if( pParse==0 || (db=pParse->db)==0 || db->aDb[0].pBt==0 ) return; |
︙ | ︙ | |||
2201 2202 2203 2204 2205 2206 2207 | if( v==0 ) return; if( pParse->db->flags & SQLITE_InTrans ){ /* Do Nothing */ }else{ sqliteVdbeAddOp(v, OP_Commit, 0, 0); } } | < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < | 2100 2101 2102 2103 2104 2105 2106 | if( v==0 ) return; if( pParse->db->flags & SQLITE_InTrans ){ /* Do Nothing */ }else{ sqliteVdbeAddOp(v, OP_Commit, 0, 0); } } |
Added src/copy.c.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 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 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 | /* ** 2003 April 6 ** ** 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 contains code used to implement the COPY command. ** ** $Id: copy.c,v 1.1 2003/04/06 21:08:24 drh Exp $ */ #include "sqliteInt.h" /* ** The COPY command is for compatibility with PostgreSQL and specificially ** for the ability to read the output of pg_dump. The format is as ** follows: ** ** COPY table FROM file [USING DELIMITERS string] ** ** "table" is an existing table name. We will read lines of code from ** file to fill this table with data. File might be "stdin". The optional ** delimiter string identifies the field separators. The default is a tab. */ void sqliteCopy( Parse *pParse, /* The parser context */ SrcList *pTableName, /* The name of the table into which we will insert */ Token *pFilename, /* The file from which to obtain information */ Token *pDelimiter, /* Use this as the field delimiter */ int onError /* What to do if a constraint fails */ ){ Table *pTab; int i; Vdbe *v; int addr, end; Index *pIdx; char *zFile = 0; sqlite *db = pParse->db; if( sqlite_malloc_failed ) goto copy_cleanup; assert( pTableName->nSrc==1 ); pTab = sqliteSrcListLookup(pParse, pTableName); if( pTab==0 || sqliteIsReadOnly(pParse, pTab) ) goto copy_cleanup; zFile = sqliteStrNDup(pFilename->z, pFilename->n); sqliteDequote(zFile); if( sqliteAuthCheck(pParse, SQLITE_INSERT, pTab->zName, zFile) || sqliteAuthCheck(pParse, SQLITE_COPY, pTab->zName, zFile) ){ goto copy_cleanup; } v = sqliteGetVdbe(pParse); if( v ){ sqliteBeginWriteOperation(pParse, 1, pTab->iDb==1); addr = sqliteVdbeAddOp(v, OP_FileOpen, 0, 0); sqliteVdbeChangeP3(v, addr, pFilename->z, pFilename->n); sqliteVdbeDequoteP3(v, addr); sqliteVdbeAddOp(v, OP_Integer, pTab->iDb, 0); sqliteVdbeAddOp(v, OP_OpenWrite, 0, pTab->tnum); sqliteVdbeChangeP3(v, -1, pTab->zName, P3_STATIC); for(i=1, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){ assert( pIdx->iDb==1 || pIdx->iDb==pTab->iDb ); sqliteVdbeAddOp(v, OP_Integer, pIdx->iDb, 0); sqliteVdbeAddOp(v, OP_OpenWrite, i, pIdx->tnum); sqliteVdbeChangeP3(v, -1, pIdx->zName, P3_STATIC); } if( db->flags & SQLITE_CountRows ){ sqliteVdbeAddOp(v, OP_Integer, 0, 0); /* Initialize the row count */ } end = sqliteVdbeMakeLabel(v); addr = sqliteVdbeAddOp(v, OP_FileRead, pTab->nCol, end); if( pDelimiter ){ sqliteVdbeChangeP3(v, addr, pDelimiter->z, pDelimiter->n); sqliteVdbeDequoteP3(v, addr); }else{ sqliteVdbeChangeP3(v, addr, "\t", 1); } if( pTab->iPKey>=0 ){ sqliteVdbeAddOp(v, OP_FileColumn, pTab->iPKey, 0); sqliteVdbeAddOp(v, OP_MustBeInt, 0, 0); }else{ sqliteVdbeAddOp(v, OP_NewRecno, 0, 0); } for(i=0; i<pTab->nCol; i++){ if( i==pTab->iPKey ){ /* The integer primary key column is filled with NULL since its ** value is always pulled from the record number */ sqliteVdbeAddOp(v, OP_String, 0, 0); }else{ sqliteVdbeAddOp(v, OP_FileColumn, i, 0); } } sqliteGenerateConstraintChecks(pParse, pTab, 0, 0, 0, 0, onError, addr); sqliteCompleteInsertion(pParse, pTab, 0, 0, 0, 0); if( (db->flags & SQLITE_CountRows)!=0 ){ sqliteVdbeAddOp(v, OP_AddImm, 1, 0); /* Increment row count */ } sqliteVdbeAddOp(v, OP_Goto, 0, addr); sqliteVdbeResolveLabel(v, end); sqliteVdbeAddOp(v, OP_Noop, 0, 0); sqliteEndWriteOperation(pParse); if( db->flags & SQLITE_CountRows ){ sqliteVdbeAddOp(v, OP_ColumnName, 0, 0); sqliteVdbeChangeP3(v, -1, "rows inserted", P3_STATIC); sqliteVdbeAddOp(v, OP_Callback, 1, 0); } } copy_cleanup: sqliteSrcListDelete(pTableName); sqliteFree(zFile); return; } |
Added src/pragma.c.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 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 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 | /* ** 2003 April 6 ** ** 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 contains code used to implement the PRAGMA command. ** ** $Id: pragma.c,v 1.1 2003/04/06 21:08:24 drh Exp $ */ #include "sqliteInt.h" /* ** Interpret the given string as a boolean value. */ static int getBoolean(char *z){ static char *azTrue[] = { "yes", "on", "true" }; int i; if( z[0]==0 ) return 0; if( isdigit(z[0]) || (z[0]=='-' && isdigit(z[1])) ){ return atoi(z); } for(i=0; i<sizeof(azTrue)/sizeof(azTrue[0]); i++){ if( sqliteStrICmp(z,azTrue[i])==0 ) return 1; } return 0; } /* ** Interpret the given string as a safety level. Return 0 for OFF, ** 1 for ON or NORMAL and 2 for FULL. ** ** Note that the values returned are one less that the values that ** should be passed into sqliteBtreeSetSafetyLevel(). The is done ** to support legacy SQL code. The safety level used to be boolean ** and older scripts may have used numbers 0 for OFF and 1 for ON. */ static int getSafetyLevel(char *z){ static const struct { const char *zWord; int val; } aKey[] = { { "no", 0 }, { "off", 0 }, { "false", 0 }, { "yes", 1 }, { "on", 1 }, { "true", 1 }, { "full", 2 }, }; int i; if( z[0]==0 ) return 1; if( isdigit(z[0]) || (z[0]=='-' && isdigit(z[1])) ){ return atoi(z); } for(i=0; i<sizeof(aKey)/sizeof(aKey[0]); i++){ if( sqliteStrICmp(z,aKey[i].zWord)==0 ) return aKey[i].val; } return 1; } /* ** Process a pragma statement. ** ** Pragmas are of this form: ** ** PRAGMA id = value ** ** The identifier might also be a string. The value is a string, and ** identifier, or a number. If minusFlag is true, then the value is ** a number that was preceded by a minus sign. */ void sqlitePragma(Parse *pParse, Token *pLeft, Token *pRight, int minusFlag){ char *zLeft = 0; char *zRight = 0; sqlite *db = pParse->db; Vdbe *v = sqliteGetVdbe(pParse); if( v==0 ) return; zLeft = sqliteStrNDup(pLeft->z, pLeft->n); sqliteDequote(zLeft); if( minusFlag ){ zRight = 0; sqliteSetNString(&zRight, "-", 1, pRight->z, pRight->n, 0); }else{ zRight = sqliteStrNDup(pRight->z, pRight->n); sqliteDequote(zRight); } if( sqliteAuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight) ){ sqliteFree(zLeft); sqliteFree(zRight); return; } /* ** PRAGMA default_cache_size ** PRAGMA default_cache_size=N ** ** The first form reports the current persistent setting for the ** page cache size. The value returned is the maximum number of ** pages in the page cache. The second form sets both the current ** page cache size value and the persistent page cache size value ** stored in the database file. ** ** The default cache size is stored in meta-value 2 of page 1 of the ** database file. The cache size is actually the absolute value of ** this memory location. The sign of meta-value 2 determines the ** synchronous setting. A negative value means synchronous is off ** and a positive value means synchronous is on. */ if( sqliteStrICmp(zLeft,"default_cache_size")==0 ){ static VdbeOp getCacheSize[] = { { OP_ReadCookie, 0, 2, 0}, { OP_AbsValue, 0, 0, 0}, { OP_Dup, 0, 0, 0}, { OP_Integer, 0, 0, 0}, { OP_Ne, 0, 6, 0}, { OP_Integer, MAX_PAGES,0, 0}, { OP_ColumnName, 0, 0, "cache_size"}, { OP_Callback, 1, 0, 0}, }; if( pRight->z==pLeft->z ){ sqliteVdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize); }else{ int addr; int size = atoi(zRight); if( size<0 ) size = -size; sqliteBeginWriteOperation(pParse, 0, 0); sqliteVdbeAddOp(v, OP_Integer, size, 0); sqliteVdbeAddOp(v, OP_ReadCookie, 0, 2); addr = sqliteVdbeAddOp(v, OP_Integer, 0, 0); sqliteVdbeAddOp(v, OP_Ge, 0, addr+3); sqliteVdbeAddOp(v, OP_Negative, 0, 0); sqliteVdbeAddOp(v, OP_SetCookie, 0, 2); sqliteEndWriteOperation(pParse); db->cache_size = db->cache_size<0 ? -size : size; sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); } }else /* ** PRAGMA cache_size ** PRAGMA cache_size=N ** ** The first form reports the current local setting for the ** page cache size. The local setting can be different from ** the persistent cache size value that is stored in the database ** file itself. The value returned is the maximum number of ** pages in the page cache. The second form sets the local ** page cache size value. It does not change the persistent ** cache size stored on the disk so the cache size will revert ** to its default value when the database is closed and reopened. ** N should be a positive integer. */ if( sqliteStrICmp(zLeft,"cache_size")==0 ){ static VdbeOp getCacheSize[] = { { OP_ColumnName, 0, 0, "cache_size"}, { OP_Callback, 1, 0, 0}, }; if( pRight->z==pLeft->z ){ int size = db->cache_size;; if( size<0 ) size = -size; sqliteVdbeAddOp(v, OP_Integer, size, 0); sqliteVdbeAddOpList(v, ArraySize(getCacheSize), getCacheSize); }else{ int size = atoi(zRight); if( size<0 ) size = -size; if( db->cache_size<0 ) size = -size; db->cache_size = size; sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); } }else /* ** PRAGMA default_synchronous ** PRAGMA default_synchronous=ON|OFF|NORMAL|FULL ** ** The first form returns the persistent value of the "synchronous" setting ** that is stored in the database. This is the synchronous setting that ** is used whenever the database is opened unless overridden by a separate ** "synchronous" pragma. The second form changes the persistent and the ** local synchronous setting to the value given. ** ** If synchronous is OFF, SQLite does not attempt any fsync() systems calls ** to make sure data is committed to disk. Write operations are very fast, ** but a power failure can leave the database in an inconsistent state. ** If synchronous is ON or NORMAL, SQLite will do an fsync() system call to ** make sure data is being written to disk. The risk of corruption due to ** a power loss in this mode is negligible but non-zero. If synchronous ** is FULL, extra fsync()s occur to reduce the risk of corruption to near ** zero, but with a write performance penalty. The default mode is NORMAL. */ if( sqliteStrICmp(zLeft,"default_synchronous")==0 ){ static VdbeOp getSync[] = { { OP_ColumnName, 0, 0, "synchronous"}, { OP_ReadCookie, 0, 3, 0}, { OP_Dup, 0, 0, 0}, { OP_If, 0, 0, 0}, /* 3 */ { OP_ReadCookie, 0, 2, 0}, { OP_Integer, 0, 0, 0}, { OP_Lt, 0, 5, 0}, { OP_AddImm, 1, 0, 0}, { OP_Callback, 1, 0, 0}, { OP_Halt, 0, 0, 0}, { OP_AddImm, -1, 0, 0}, /* 10 */ { OP_Callback, 1, 0, 0} }; if( pRight->z==pLeft->z ){ int addr = sqliteVdbeAddOpList(v, ArraySize(getSync), getSync); sqliteVdbeChangeP2(v, addr+3, addr+10); }else{ int addr; int size = db->cache_size; if( size<0 ) size = -size; sqliteBeginWriteOperation(pParse, 0, 0); sqliteVdbeAddOp(v, OP_ReadCookie, 0, 2); sqliteVdbeAddOp(v, OP_Dup, 0, 0); addr = sqliteVdbeAddOp(v, OP_Integer, 0, 0); sqliteVdbeAddOp(v, OP_Ne, 0, addr+3); sqliteVdbeAddOp(v, OP_AddImm, MAX_PAGES, 0); sqliteVdbeAddOp(v, OP_AbsValue, 0, 0); db->safety_level = getSafetyLevel(zRight)+1; if( db->safety_level==1 ){ sqliteVdbeAddOp(v, OP_Negative, 0, 0); size = -size; } sqliteVdbeAddOp(v, OP_SetCookie, 0, 2); sqliteVdbeAddOp(v, OP_Integer, db->safety_level, 0); sqliteVdbeAddOp(v, OP_SetCookie, 0, 3); sqliteEndWriteOperation(pParse); db->cache_size = size; sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); sqliteBtreeSetSafetyLevel(db->aDb[0].pBt, db->safety_level); } }else /* ** PRAGMA synchronous ** PRAGMA synchronous=OFF|ON|NORMAL|FULL ** ** Return or set the local value of the synchronous flag. Changing ** the local value does not make changes to the disk file and the ** default value will be restored the next time the database is ** opened. */ if( sqliteStrICmp(zLeft,"synchronous")==0 ){ static VdbeOp getSync[] = { { OP_ColumnName, 0, 0, "synchronous"}, { OP_Callback, 1, 0, 0}, }; if( pRight->z==pLeft->z ){ sqliteVdbeAddOp(v, OP_Integer, db->safety_level-1, 0); sqliteVdbeAddOpList(v, ArraySize(getSync), getSync); }else{ int size = db->cache_size; if( size<0 ) size = -size; db->safety_level = getSafetyLevel(zRight)+1; if( db->safety_level==1 ) size = -size; db->cache_size = size; sqliteBtreeSetCacheSize(db->aDb[0].pBt, db->cache_size); sqliteBtreeSetSafetyLevel(db->aDb[0].pBt, db->safety_level); } }else if( sqliteStrICmp(zLeft, "trigger_overhead_test")==0 ){ if( getBoolean(zRight) ){ always_code_trigger_setup = 1; }else{ always_code_trigger_setup = 0; } }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, "show_datatypes")==0 ){ if( getBoolean(zRight) ){ db->flags |= SQLITE_ReportTypes; }else{ db->flags &= ~SQLITE_ReportTypes; } }else if( sqliteStrICmp(zLeft, "result_set_details")==0 ){ if( getBoolean(zRight) ){ db->flags |= SQLITE_ResultDetails; }else{ db->flags &= ~SQLITE_ResultDetails; } }else if( sqliteStrICmp(zLeft, "count_changes")==0 ){ if( getBoolean(zRight) ){ db->flags |= SQLITE_CountRows; }else{ db->flags &= ~SQLITE_CountRows; } }else if( sqliteStrICmp(zLeft, "empty_result_callbacks")==0 ){ if( getBoolean(zRight) ){ db->flags |= SQLITE_NullCallback; }else{ db->flags &= ~SQLITE_NullCallback; } }else if( sqliteStrICmp(zLeft, "table_info")==0 ){ Table *pTab; pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ static VdbeOp tableInfoPreface[] = { { 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); sqliteViewGetColumnNames(pParse, pTab); for(i=0; i<pTab->nCol; i++){ sqliteVdbeAddOp(v, OP_Integer, i, 0); sqliteVdbeAddOp(v, OP_String, 0, 0); sqliteVdbeChangeP3(v, -1, pTab->aCol[i].zName, P3_STATIC); sqliteVdbeAddOp(v, OP_String, 0, 0); sqliteVdbeChangeP3(v, -1, pTab->aCol[i].zType ? pTab->aCol[i].zType : "numeric", P3_STATIC); sqliteVdbeAddOp(v, OP_Integer, pTab->aCol[i].notNull, 0); sqliteVdbeAddOp(v, OP_String, 0, 0); sqliteVdbeChangeP3(v, -1, pTab->aCol[i].zDflt, P3_STATIC); sqliteVdbeAddOp(v, OP_Callback, 5, 0); } } }else if( sqliteStrICmp(zLeft, "index_info")==0 ){ Index *pIdx; Table *pTab; pIdx = sqliteFindIndex(db, zRight, 0); if( pIdx ){ static VdbeOp tableInfoPreface[] = { { 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++){ int cnum = pIdx->aiColumn[i]; sqliteVdbeAddOp(v, OP_Integer, i, 0); sqliteVdbeAddOp(v, OP_Integer, cnum, 0); sqliteVdbeAddOp(v, OP_String, 0, 0); assert( pTab->nCol>cnum ); sqliteVdbeChangeP3(v, -1, pTab->aCol[cnum].zName, P3_STATIC); sqliteVdbeAddOp(v, OP_Callback, 3, 0); } } }else if( sqliteStrICmp(zLeft, "index_list")==0 ){ Index *pIdx; Table *pTab; pTab = sqliteFindTable(db, zRight, 0); if( pTab ){ v = sqliteGetVdbe(pParse); pIdx = pTab->pIndex; } if( pTab && pIdx ){ int i = 0; static VdbeOp indexListPreface[] = { { OP_ColumnName, 0, 0, "seq"}, { OP_ColumnName, 1, 0, "name"}, { OP_ColumnName, 2, 0, "unique"}, }; sqliteVdbeAddOpList(v, ArraySize(indexListPreface), indexListPreface); while(pIdx){ sqliteVdbeAddOp(v, OP_Integer, i, 0); sqliteVdbeAddOp(v, OP_String, 0, 0); sqliteVdbeChangeP3(v, -1, pIdx->zName, P3_STATIC); sqliteVdbeAddOp(v, OP_Integer, pIdx->onError!=OE_None, 0); sqliteVdbeAddOp(v, OP_Callback, 3, 0); ++i; pIdx = pIdx->pNext; } } }else if( sqliteStrICmp(zLeft, "database_list")==0 ){ int i; static VdbeOp indexListPreface[] = { { OP_ColumnName, 0, 0, "seq"}, { OP_ColumnName, 1, 0, "name"}, }; sqliteVdbeAddOpList(v, ArraySize(indexListPreface), indexListPreface); for(i=0; i<db->nDb; i++){ if( db->aDb[i].pBt==0 ) continue; assert( db->aDb[i].zName!=0 ); sqliteVdbeAddOp(v, OP_Integer, i, 0); sqliteVdbeAddOp(v, OP_String, 0, 0); sqliteVdbeChangeP3(v, -1, db->aDb[i].zName, P3_STATIC); sqliteVdbeAddOp(v, OP_Callback, 2, 0); } }else #ifndef NDEBUG if( sqliteStrICmp(zLeft, "parser_trace")==0 ){ extern void sqliteParserTrace(FILE*, char *); if( getBoolean(zRight) ){ sqliteParserTrace(stdout, "parser: "); }else{ sqliteParserTrace(0, 0); } }else #endif if( sqliteStrICmp(zLeft, "integrity_check")==0 ){ static VdbeOp checkDb[] = { { OP_SetInsert, 0, 0, "2"}, { OP_Integer, 0, 0, 0}, { OP_OpenRead, 0, 2, 0}, { OP_Rewind, 0, 7, 0}, { OP_Column, 0, 3, 0}, /* 4 */ { OP_SetInsert, 0, 0, 0}, { OP_Next, 0, 4, 0}, { OP_IntegrityCk, 0, 0, 0}, /* 7 */ { OP_ColumnName, 0, 0, "integrity_check"}, { OP_Callback, 1, 0, 0}, { OP_SetInsert, 1, 0, "2"}, { OP_Integer, 1, 0, 0}, { OP_OpenRead, 1, 2, 0}, { OP_Rewind, 1, 17, 0}, { OP_Column, 1, 3, 0}, /* 14 */ { OP_SetInsert, 1, 0, 0}, { OP_Next, 1, 14, 0}, { OP_IntegrityCk, 1, 1, 0}, /* 17 */ { OP_Callback, 1, 0, 0}, }; sqliteVdbeAddOpList(v, ArraySize(checkDb), checkDb); }else {} sqliteFree(zLeft); sqliteFree(zRight); } |
Added src/vacuum.c.
> > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > | 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 | /* ** 2003 April 6 ** ** 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 contains code used to implement the VACUUM command. ** ** Most of the code in this file may be omitted by defining the ** SQLITE_OMIT_VACUUM macro. ** ** $Id: vacuum.c,v 1.1 2003/04/06 21:08:24 drh Exp $ */ #include "sqliteInt.h" /* ** The non-standard VACUUM command is used to clean up the database, ** collapse free space, etc. It is modelled after the VACUUM command ** in PostgreSQL. ** ** In version 1.0.x of SQLite, the VACUUM command would call ** gdbm_reorganize() on all the database tables. But beginning ** with 2.0.0, SQLite no longer uses GDBM so this command has ** become a no-op. */ void sqliteVacuum(Parse *pParse, Token *pTableName){ #ifndef SQLITE_OMIT_VACUUM /* Do nothing */ #endif } |