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Overview
Comment: | Initialize the global built-in function table at start-time instead of at compile-time. This is less prone to malfunction when compile-time parameters very. (CVS 5583) |
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Downloads: | Tarball | ZIP archive | SQL archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
ef6936e50adb9ebea39c890167403fff |
User & Date: | drh 2008-08-21 18:49:28 |
Context
2008-08-21
| ||
19:28 | Remove references to OP_MoveTo in comments of vdbe.c - that opcode no longer exists. Ticket #3327. (CVS 5584) check-in: 30077ece user: drh tags: trunk | |
18:49 | Initialize the global built-in function table at start-time instead of at compile-time. This is less prone to malfunction when compile-time parameters very. (CVS 5583) check-in: ef6936e5 user: drh tags: trunk | |
15:54 | Fix soft-heap-limit related test suite failures. (CVS 5582) check-in: 2091d9a5 user: danielk1977 tags: trunk | |
Changes
Changes to Makefile.in.
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# You should not have to change anything below this line ############################################################################### # Object files for the SQLite library (non-amalgamation). # OBJS0 = alter.lo analyze.lo attach.lo auth.lo bitvec.lo btmutex.lo \ btree.lo build.lo callback.lo complete.lo date.lo \ delete.lo expr.lo fault.lo func2.lo global.lo \ hash.lo journal.lo insert.lo loadext.lo \ main.lo malloc.lo mem1.lo mem2.lo mem3.lo mem4.lo mem5.lo mem6.lo \ mutex.lo mutex_os2.lo mutex_unix.lo mutex_w32.lo \ opcodes.lo os.lo os_unix.lo os_win.lo os_os2.lo \ pager.lo parse.lo pcache.lo pragma.lo prepare.lo printf.lo random.lo \ resolve.lo select.lo status.lo \ table.lo tokenize.lo trigger.lo update.lo \ ................................................................................ $(TOP)/src/build.c \ $(TOP)/src/callback.c \ $(TOP)/src/complete.c \ $(TOP)/src/date.c \ $(TOP)/src/delete.c \ $(TOP)/src/expr.c \ $(TOP)/src/fault.c \ $(TOP)/src/global.c \ $(TOP)/src/hash.c \ $(TOP)/src/hash.h \ $(TOP)/src/hwtime.h \ $(TOP)/src/insert.c \ $(TOP)/src/journal.c \ $(TOP)/src/legacy.c \ ................................................................................ $(TOP)/src/vtab.c \ $(TOP)/src/walker.c \ $(TOP)/src/where.c # Generated source code files # SRC += \ func2.c \ keywordhash.h \ opcodes.c \ opcodes.h \ parse.c \ parse.h \ config.h \ sqlite3.h ................................................................................ expr.lo: $(TOP)/src/expr.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/expr.c fault.lo: $(TOP)/src/fault.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/fault.c func2.lo: func2.c $(HDR) $(LTCOMPILE) -c func2.c global.lo: $(TOP)/src/global.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/global.c hash.lo: $(TOP)/src/hash.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/hash.c ................................................................................ parse.c: $(TOP)/src/parse.y lemon$(BEXE) $(TOP)/addopcodes.awk cp $(TOP)/src/parse.y . ./lemon$(BEXE) $(OPTS) $(OPT_FEATURE_FLAGS) parse.y mv parse.h parse.h.temp $(NAWK) -f $(TOP)/addopcodes.awk parse.h.temp >parse.h func2.c: $(TOP)/src/func.c $(HDR) $(BCC) -o mkfunction$(BEXE) $(OPTS) $(OPT_FEATURE_FLAGS) $(TOP)/tool/mkfunction.c -I$(TOP)/src -I. cat $(TOP)/src/func.c > func2.c ./mkfunction$(BEXE) >> func2.c pragma.lo: $(TOP)/src/pragma.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/pragma.c prepare.lo: $(TOP)/src/prepare.c $(HDR) $(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/prepare.c printf.lo: $(TOP)/src/printf.c $(HDR) |
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# You should not have to change anything below this line ############################################################################### # Object files for the SQLite library (non-amalgamation). # OBJS0 = alter.lo analyze.lo attach.lo auth.lo bitvec.lo btmutex.lo \ btree.lo build.lo callback.lo complete.lo date.lo \ delete.lo expr.lo fault.lo func.lo global.lo \ hash.lo journal.lo insert.lo loadext.lo \ main.lo malloc.lo mem1.lo mem2.lo mem3.lo mem4.lo mem5.lo mem6.lo \ mutex.lo mutex_os2.lo mutex_unix.lo mutex_w32.lo \ opcodes.lo os.lo os_unix.lo os_win.lo os_os2.lo \ pager.lo parse.lo pcache.lo pragma.lo prepare.lo printf.lo random.lo \ resolve.lo select.lo status.lo \ table.lo tokenize.lo trigger.lo update.lo \ ................................................................................ $(TOP)/src/build.c \ $(TOP)/src/callback.c \ $(TOP)/src/complete.c \ $(TOP)/src/date.c \ $(TOP)/src/delete.c \ $(TOP)/src/expr.c \ $(TOP)/src/fault.c \ $(TOP)/src/func.c \ $(TOP)/src/global.c \ $(TOP)/src/hash.c \ $(TOP)/src/hash.h \ $(TOP)/src/hwtime.h \ $(TOP)/src/insert.c \ $(TOP)/src/journal.c \ $(TOP)/src/legacy.c \ ................................................................................ $(TOP)/src/vtab.c \ $(TOP)/src/walker.c \ $(TOP)/src/where.c # Generated source code files # SRC += \ keywordhash.h \ opcodes.c \ opcodes.h \ parse.c \ parse.h \ config.h \ sqlite3.h ................................................................................ expr.lo: $(TOP)/src/expr.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/expr.c fault.lo: $(TOP)/src/fault.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/fault.c func.lo: $(TOP)/src/func.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/func.c global.lo: $(TOP)/src/global.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/global.c hash.lo: $(TOP)/src/hash.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/hash.c ................................................................................ parse.c: $(TOP)/src/parse.y lemon$(BEXE) $(TOP)/addopcodes.awk cp $(TOP)/src/parse.y . ./lemon$(BEXE) $(OPTS) $(OPT_FEATURE_FLAGS) parse.y mv parse.h parse.h.temp $(NAWK) -f $(TOP)/addopcodes.awk parse.h.temp >parse.h pragma.lo: $(TOP)/src/pragma.c $(HDR) $(LTCOMPILE) -c $(TOP)/src/pragma.c prepare.lo: $(TOP)/src/prepare.c $(HDR) $(LTCOMPILE) $(TEMP_STORE) -c $(TOP)/src/prepare.c printf.lo: $(TOP)/src/printf.c $(HDR) |
Changes to main.mk.
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TCCX = $(TCC) $(OPTS) -I. -I$(TOP)/src -I$(TOP) -I$(TOP)/ext/rtree # Object files for the SQLite library. # LIBOBJ+= alter.o analyze.o attach.o auth.o \ bitvec.o btmutex.o btree.o build.o \ callback.o complete.o date.o delete.o \ expr.o fault.o func2.o global.o hash.o \ icu.o insert.o journal.o legacy.o loadext.o \ main.o malloc.o mem1.o mem2.o mem3.o mem4.o mem5.o mem6.o \ mutex.o mutex_os2.o mutex_unix.o mutex_w32.o \ opcodes.o os.o os_os2.o os_unix.o os_win.o \ pager.o parse.o pcache.o pragma.o prepare.o printf.o \ random.o resolve.o rtree.o select.o status.o \ table.o tokenize.o trigger.o \ ................................................................................ $(TOP)/src/build.c \ $(TOP)/src/callback.c \ $(TOP)/src/complete.c \ $(TOP)/src/date.c \ $(TOP)/src/delete.c \ $(TOP)/src/expr.c \ $(TOP)/src/fault.c \ $(TOP)/src/global.c \ $(TOP)/src/hash.c \ $(TOP)/src/hash.h \ $(TOP)/src/hwtime.h \ $(TOP)/src/insert.c \ $(TOP)/src/journal.c \ $(TOP)/src/legacy.c \ ................................................................................ $(TOP)/src/vdbe.c \ $(TOP)/src/vdbe.h \ $(TOP)/src/vdbeapi.c \ $(TOP)/src/vdbeaux.c \ $(TOP)/src/vdbeblob.c \ $(TOP)/src/vdbefifo.c \ $(TOP)/src/vdbemem.c \ $(TOP)/src/pcache.c \ $(TOP)/src/vdbeInt.h \ $(TOP)/src/vtab.c \ $(TOP)/src/walker.c \ $(TOP)/src/where.c # Source code for extensions # ................................................................................ # SRC += \ keywordhash.h \ opcodes.c \ opcodes.h \ parse.c \ parse.h \ func2.c \ sqlite3.h # Source code to the test files. # TESTSRC = \ $(TOP)/src/test1.c \ ................................................................................ $(TOP)/src/test_thread.c \ #TESTSRC += $(TOP)/ext/fts2/fts2_tokenizer.c #TESTSRC += $(TOP)/ext/fts3/fts3_tokenizer.c TESTSRC2 = \ $(TOP)/src/attach.c $(TOP)/src/btree.c $(TOP)/src/build.c $(TOP)/src/date.c \ $(TOP)/src/expr.c func2.c $(TOP)/src/insert.c $(TOP)/src/os.c \ $(TOP)/src/os_os2.c $(TOP)/src/os_unix.c $(TOP)/src/os_win.c \ $(TOP)/src/pager.c $(TOP)/src/pragma.c $(TOP)/src/prepare.c \ $(TOP)/src/printf.c $(TOP)/src/random.c $(TOP)/src/pcache.c \ $(TOP)/src/select.c $(TOP)/src/tokenize.c \ $(TOP)/src/utf.c $(TOP)/src/util.c $(TOP)/src/vdbeapi.c $(TOP)/src/vdbeaux.c \ $(TOP)/src/vdbe.c $(TOP)/src/vdbemem.c $(TOP)/src/where.c parse.c ................................................................................ # Rules to build opcodes.c and opcodes.h # opcodes.c: opcodes.h $(TOP)/mkopcodec.awk sort -n -b -k 3 opcodes.h | $(NAWK) -f $(TOP)/mkopcodec.awk >opcodes.c opcodes.h: parse.h $(TOP)/src/vdbe.c $(TOP)/mkopcodeh.awk cat parse.h $(TOP)/src/vdbe.c |$(NAWK) -f $(TOP)/mkopcodeh.awk >opcodes.h func2.c: $(TOP)/src/func.c $(HDR) $(BCC) -o mkfunction $(OPTS) $(TOP)/tool/mkfunction.c -I$(TOP)/src -I. cat $(TOP)/src/func.c > func2.c ./mkfunction >> func2.c # Rules to build parse.c and parse.h - the outputs of lemon. # parse.h: parse.c parse.c: $(TOP)/src/parse.y lemon $(TOP)/addopcodes.awk cp $(TOP)/src/parse.y . ................................................................................ clean: rm -f *.o sqlite3 libsqlite3.a sqlite3.h opcodes.* rm -f lemon lempar.c parse.* sqlite*.tar.gz mkkeywordhash keywordhash.h rm -f $(PUBLISH) rm -f *.da *.bb *.bbg gmon.out rm -rf tsrc target_source rm -f testloadext.dll libtestloadext.so rm -f sqlite3.c fts?amal.c tclsqlite3.c func2.c |
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TCCX = $(TCC) $(OPTS) -I. -I$(TOP)/src -I$(TOP) -I$(TOP)/ext/rtree # Object files for the SQLite library. # LIBOBJ+= alter.o analyze.o attach.o auth.o \ bitvec.o btmutex.o btree.o build.o \ callback.o complete.o date.o delete.o \ expr.o fault.o func.o global.o hash.o \ icu.o insert.o journal.o legacy.o loadext.o \ main.o malloc.o mem1.o mem2.o mem3.o mem4.o mem5.o mem6.o \ mutex.o mutex_os2.o mutex_unix.o mutex_w32.o \ opcodes.o os.o os_os2.o os_unix.o os_win.o \ pager.o parse.o pcache.o pragma.o prepare.o printf.o \ random.o resolve.o rtree.o select.o status.o \ table.o tokenize.o trigger.o \ ................................................................................ $(TOP)/src/build.c \ $(TOP)/src/callback.c \ $(TOP)/src/complete.c \ $(TOP)/src/date.c \ $(TOP)/src/delete.c \ $(TOP)/src/expr.c \ $(TOP)/src/fault.c \ $(TOP)/src/func.c \ $(TOP)/src/global.c \ $(TOP)/src/hash.c \ $(TOP)/src/hash.h \ $(TOP)/src/hwtime.h \ $(TOP)/src/insert.c \ $(TOP)/src/journal.c \ $(TOP)/src/legacy.c \ ................................................................................ $(TOP)/src/vdbe.c \ $(TOP)/src/vdbe.h \ $(TOP)/src/vdbeapi.c \ $(TOP)/src/vdbeaux.c \ $(TOP)/src/vdbeblob.c \ $(TOP)/src/vdbefifo.c \ $(TOP)/src/vdbemem.c \ $(TOP)/src/vdbeInt.h \ $(TOP)/src/vtab.c \ $(TOP)/src/walker.c \ $(TOP)/src/where.c # Source code for extensions # ................................................................................ # SRC += \ keywordhash.h \ opcodes.c \ opcodes.h \ parse.c \ parse.h \ sqlite3.h # Source code to the test files. # TESTSRC = \ $(TOP)/src/test1.c \ ................................................................................ $(TOP)/src/test_thread.c \ #TESTSRC += $(TOP)/ext/fts2/fts2_tokenizer.c #TESTSRC += $(TOP)/ext/fts3/fts3_tokenizer.c TESTSRC2 = \ $(TOP)/src/attach.c $(TOP)/src/btree.c $(TOP)/src/build.c $(TOP)/src/date.c \ $(TOP)/src/expr.c $(TOP)/src/func.c $(TOP)/src/insert.c $(TOP)/src/os.c \ $(TOP)/src/os_os2.c $(TOP)/src/os_unix.c $(TOP)/src/os_win.c \ $(TOP)/src/pager.c $(TOP)/src/pragma.c $(TOP)/src/prepare.c \ $(TOP)/src/printf.c $(TOP)/src/random.c $(TOP)/src/pcache.c \ $(TOP)/src/select.c $(TOP)/src/tokenize.c \ $(TOP)/src/utf.c $(TOP)/src/util.c $(TOP)/src/vdbeapi.c $(TOP)/src/vdbeaux.c \ $(TOP)/src/vdbe.c $(TOP)/src/vdbemem.c $(TOP)/src/where.c parse.c ................................................................................ # Rules to build opcodes.c and opcodes.h # opcodes.c: opcodes.h $(TOP)/mkopcodec.awk sort -n -b -k 3 opcodes.h | $(NAWK) -f $(TOP)/mkopcodec.awk >opcodes.c opcodes.h: parse.h $(TOP)/src/vdbe.c $(TOP)/mkopcodeh.awk cat parse.h $(TOP)/src/vdbe.c | \ $(NAWK) -f $(TOP)/mkopcodeh.awk >opcodes.h # Rules to build parse.c and parse.h - the outputs of lemon. # parse.h: parse.c parse.c: $(TOP)/src/parse.y lemon $(TOP)/addopcodes.awk cp $(TOP)/src/parse.y . ................................................................................ clean: rm -f *.o sqlite3 libsqlite3.a sqlite3.h opcodes.* rm -f lemon lempar.c parse.* sqlite*.tar.gz mkkeywordhash keywordhash.h rm -f $(PUBLISH) rm -f *.da *.bb *.bbg gmon.out rm -rf tsrc target_source rm -f testloadext.dll libtestloadext.so rm -f sqlite3.c fts?amal.c tclsqlite3.c |
Changes to src/callback.c.
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** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file contains functions used to access the internal hash tables ** of user defined functions and collation sequences. ** ** $Id: callback.c,v 1.27 2008/08/20 14:49:24 danielk1977 Exp $ */ #include "sqliteInt.h" /* ** Invoke the 'collation needed' callback to request a collation sequence ** in the database text encoding of name zName, length nName. ................................................................................ (enc==SQLITE_UTF16BE && p->iPrefEnc==SQLITE_UTF16LE) ){ match += 1; } } return match; } /* ** Locate a user function given a name, a number of arguments and a flag ** indicating whether the function prefers UTF-16 over UTF-8. Return a ** pointer to the FuncDef structure that defines that function, or return ** NULL if the function does not exist. ** ** If the createFlag argument is true, then a new (blank) FuncDef ................................................................................ const char *zName, /* Name of the function. Not null-terminated */ int nName, /* Number of characters in the name */ int nArg, /* Number of arguments. -1 means any number */ u8 enc, /* Preferred text encoding */ int createFlag /* Create new entry if true and does not otherwise exist */ ){ FuncDef *p; /* Iterator variable */ FuncDef *pFirst; /* First function with this name */ FuncDef *pBest = 0; /* Best match found so far */ int bestmatch = 0; assert( enc==SQLITE_UTF8 || enc==SQLITE_UTF16LE || enc==SQLITE_UTF16BE ); if( nArg<-1 ) nArg = -1; pFirst = (FuncDef*)sqlite3HashFind(&db->aFunc, zName, nName); for(p=pFirst; p; p=p->pNext){ int match = matchQuality(p, nArg, enc); if( match>bestmatch ){ pBest = p; bestmatch = match; } } /* If the createFlag parameter is false and no match was found amongst ** the custom functions stored in sqlite3.aFunc, try to find a built-in ** function to use. */ if( !createFlag && !pBest ){ FuncDef *aFunc; int nFunc; int i; nFunc = sqlite3GetBuiltinFunction(zName, nName, &aFunc); for(i=0; i<nFunc; i++){ int match = matchQuality(&aFunc[i], nArg, enc); if( match>bestmatch ){ pBest = &aFunc[i]; bestmatch = match; } } } /* If the createFlag parameter is true, and the seach did not reveal an ** exact match for the name, number of arguments and encoding, then add a ** new entry to the hash table and return it. */ if( createFlag && bestmatch<6 && (pBest = sqlite3DbMallocZero(db, sizeof(*pBest)+nName+1))!=0 ){ pBest->zName = (char *)&pBest[1]; pBest->nArg = nArg; pBest->pNext = pFirst; pBest->iPrefEnc = enc; memcpy(pBest->zName, zName, nName); pBest->zName[nName] = 0; if( pBest==sqlite3HashInsert(&db->aFunc,pBest->zName,nName,(void*)pBest) ){ db->mallocFailed = 1; sqlite3DbFree(db, pBest); return 0; } } if( pBest && (pBest->xStep || pBest->xFunc || createFlag) ){ return pBest; } return 0; } |
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** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file contains functions used to access the internal hash tables ** of user defined functions and collation sequences. ** ** $Id: callback.c,v 1.28 2008/08/21 18:49:28 drh Exp $ */ #include "sqliteInt.h" /* ** Invoke the 'collation needed' callback to request a collation sequence ** in the database text encoding of name zName, length nName. ................................................................................ (enc==SQLITE_UTF16BE && p->iPrefEnc==SQLITE_UTF16LE) ){ match += 1; } } return match; } /* ** Search a FuncDefHash for a function with the given name. Return ** a pointer to the matching FuncDef if found, or 0 if there is no match. */ static FuncDef *functionSearch( FuncDefHash *pHash, /* Hash table to search */ int h, /* Hash of the name */ const char *zFunc, /* Name of function */ int nFunc /* Number of bytes in zFunc */ ){ FuncDef *p; for(p=pHash->a[h]; p; p=p->pHash){ if( sqlite3StrNICmp(p->zName, zFunc, nFunc)==0 && p->zName[nFunc]==0 ){ return p; } } return 0; } /* ** Insert a new FuncDef into a FuncDefHash hash table. */ void sqlite3FuncDefInsert( FuncDefHash *pHash, /* The hash table into which to insert */ FuncDef *pDef /* The function definition to insert */ ){ FuncDef *pOther; int nName = strlen(pDef->zName); u8 c1 = (u8)pDef->zName[0]; int h = (sqlite3UpperToLower[c1] + nName) % ArraySize(pHash->a); pOther = functionSearch(pHash, h, pDef->zName, nName); if( pOther ){ pDef->pNext = pOther->pNext; pOther->pNext = pDef; }else{ pDef->pNext = 0; pDef->pHash = pHash->a[h]; pHash->a[h] = pDef; } } /* ** Locate a user function given a name, a number of arguments and a flag ** indicating whether the function prefers UTF-16 over UTF-8. Return a ** pointer to the FuncDef structure that defines that function, or return ** NULL if the function does not exist. ** ** If the createFlag argument is true, then a new (blank) FuncDef ................................................................................ const char *zName, /* Name of the function. Not null-terminated */ int nName, /* Number of characters in the name */ int nArg, /* Number of arguments. -1 means any number */ u8 enc, /* Preferred text encoding */ int createFlag /* Create new entry if true and does not otherwise exist */ ){ FuncDef *p; /* Iterator variable */ FuncDef *pBest = 0; /* Best match found so far */ int bestScore = 0; /* Score of best match */ int h; /* Hash value */ assert( enc==SQLITE_UTF8 || enc==SQLITE_UTF16LE || enc==SQLITE_UTF16BE ); if( nArg<-1 ) nArg = -1; h = (sqlite3UpperToLower[(u8)zName[0]] + nName) % ArraySize(db->aFunc.a); p = functionSearch(&db->aFunc, h, zName, nName); while( p ){ int score = matchQuality(p, nArg, enc); if( score>bestScore ){ pBest = p; bestScore = score; } p = p->pNext; } /* If the createFlag parameter is false and no match was found amongst ** the custom functions stored in sqlite3.aFunc, try to find a built-in ** function to use. */ if( !createFlag && !pBest ){ p = functionSearch(&sqlite3FuncBuiltins, h, zName, nName); while( p ){ int score = matchQuality(p, nArg, enc); if( score>bestScore ){ pBest = p; bestScore = score; } p = p->pNext; } } /* If the createFlag parameter is true, and the seach did not reveal an ** exact match for the name, number of arguments and encoding, then add a ** new entry to the hash table and return it. */ if( createFlag && bestScore<6 && (pBest = sqlite3DbMallocZero(db, sizeof(*pBest)+nName+1))!=0 ){ pBest->zName = (char *)&pBest[1]; pBest->nArg = nArg; pBest->iPrefEnc = enc; memcpy(pBest->zName, zName, nName); pBest->zName[nName] = 0; sqlite3FuncDefInsert(&db->aFunc, pBest); } if( pBest && (pBest->xStep || pBest->xFunc || createFlag) ){ return pBest; } return 0; } |
Changes to src/func.c.
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** This file contains the C functions that implement various SQL ** functions of SQLite. ** ** There is only one exported symbol in this file - the function ** sqliteRegisterBuildinFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: func.c,v 1.197 2008/08/20 14:49:24 danielk1977 Exp $ */ #ifndef CREATE_BUILTIN_HASHTABLE #include "sqliteInt.h" #include <ctype.h> #include <stdlib.h> ................................................................................ LIKEFUNC(like, 3, &likeInfoAlt, SQLITE_FUNC_LIKE|SQLITE_FUNC_CASE), #else LIKEFUNC(like, 2, &likeInfoNorm, SQLITE_FUNC_LIKE), LIKEFUNC(like, 3, &likeInfoNorm, SQLITE_FUNC_LIKE), #endif }; |
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** This file contains the C functions that implement various SQL ** functions of SQLite. ** ** There is only one exported symbol in this file - the function ** sqliteRegisterBuildinFunctions() found at the bottom of the file. ** All other code has file scope. ** ** $Id: func.c,v 1.198 2008/08/21 18:49:28 drh Exp $ */ #ifndef CREATE_BUILTIN_HASHTABLE #include "sqliteInt.h" #include <ctype.h> #include <stdlib.h> ................................................................................ LIKEFUNC(like, 3, &likeInfoAlt, SQLITE_FUNC_LIKE|SQLITE_FUNC_CASE), #else LIKEFUNC(like, 2, &likeInfoNorm, SQLITE_FUNC_LIKE), LIKEFUNC(like, 3, &likeInfoNorm, SQLITE_FUNC_LIKE), #endif }; /* ** Build up the global built-in function table at initialization ** time. */ void sqlite3RegisterGlobalFunctions(void){ int i; for(i=0; i<ArraySize(aBuiltinFunc); i++){ sqlite3FuncDefInsert(&sqlite3FuncBuiltins, &aBuiltinFunc[i]); } } |
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file contains definitions of global variables and contants. ** ** $Id: global.c,v 1.4 2008/07/28 19:34:53 drh Exp $ */ #include "sqliteInt.h" /* An array to map all upper-case characters into their corresponding ** lower-case character. ** ................................................................................ 1, /* bCoreMutex */ 1, /* bFullMutex */ 0x7ffffffe, /* mxStrlen */ 100, /* szLookaside */ 500, /* nLookaside */ /* Other fields all default to zero */ }; |
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** May you find forgiveness for yourself and forgive others. ** May you share freely, never taking more than you give. ** ************************************************************************* ** ** This file contains definitions of global variables and contants. ** ** $Id: global.c,v 1.5 2008/08/21 18:49:28 drh Exp $ */ #include "sqliteInt.h" /* An array to map all upper-case characters into their corresponding ** lower-case character. ** ................................................................................ 1, /* bCoreMutex */ 1, /* bFullMutex */ 0x7ffffffe, /* mxStrlen */ 100, /* szLookaside */ 500, /* nLookaside */ /* Other fields all default to zero */ }; /* ** Hash table for global functions - functions common to all ** database connections. After initialization, this table is ** read-only. */ FuncDefHash sqlite3FuncBuiltins; |
Changes to src/main.c.
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 ... 143 144 145 146 147 148 149 150 151 152 153 154 155 156 ... 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 ... 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 .... 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 .... 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 |
** ************************************************************************* ** 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 1.491 2008/08/20 16:35:10 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> #ifdef SQLITE_ENABLE_FTS3 # include "fts3.h" #endif ................................................................................ ** sqlite3_initialize(). The recursive calls normally come through ** sqlite3_os_init() when it invokes sqlite3_vfs_register(), but other ** recursive calls might also be possible. */ sqlite3_mutex_enter(sqlite3Config.pInitMutex); if( sqlite3Config.isInit==0 && inProgress==0 ){ inProgress = 1; rc = sqlite3_os_init(); if( rc==SQLITE_OK ){ rc = sqlite3PcacheInitialize(); sqlite3PCacheBufferSetup(sqlite3Config.pPage, sqlite3Config.szPage, sqlite3Config.nPage); } inProgress = 0; ................................................................................ pDb->pSchema = 0; } } } sqlite3ResetInternalSchema(db, 0); assert( db->nDb<=2 ); assert( db->aDb==db->aDbStatic ); for(i=sqliteHashFirst(&db->aFunc); i; i=sqliteHashNext(i)){ FuncDef *pFunc, *pNext; for(pFunc = (FuncDef*)sqliteHashData(i); pFunc; pFunc=pNext){ pNext = pFunc->pNext; sqlite3DbFree(db, pFunc); } } for(i=sqliteHashFirst(&db->aCollSeq); i; i=sqliteHashNext(i)){ CollSeq *pColl = (CollSeq *)sqliteHashData(i); /* Invoke any destructors registered for collation sequence user data. */ for(j=0; j<3; j++){ if( pColl[j].xDel ){ pColl[j].xDel(pColl[j].pUser); } ................................................................................ pMod->xDestroy(pMod->pAux); } sqlite3DbFree(db, pMod); } sqlite3HashClear(&db->aModule); #endif sqlite3HashClear(&db->aFunc); sqlite3Error(db, SQLITE_OK, 0); /* Deallocates any cached error strings. */ if( db->pErr ){ sqlite3ValueFree(db->pErr); } sqlite3CloseExtensions(db); db->magic = SQLITE_MAGIC_ERROR; ................................................................................ #endif #if SQLITE_MAX_LIKE_PATTERN_LENGTH<1 # error SQLITE_MAX_LIKE_PATTERN_LENGTH must be at least 1 #endif #if SQLITE_MAX_VARIABLE_NUMBER<1 # error SQLITE_MAX_VARIABLE_NUMBER must be at least 1 #endif /* ** Change the value of a limit. Report the old value. ** If an invalid limit index is supplied, report -1. ** Make no changes but still report the old value if the ** new limit is negative. ................................................................................ #if SQLITE_DEFAULT_FILE_FORMAT<4 | SQLITE_LegacyFileFmt #endif #ifdef SQLITE_ENABLE_LOAD_EXTENSION | SQLITE_LoadExtension #endif ; sqlite3HashInit(&db->aFunc, SQLITE_HASH_STRING, 0); sqlite3HashInit(&db->aCollSeq, SQLITE_HASH_STRING, 0); #ifndef SQLITE_OMIT_VIRTUALTABLE sqlite3HashInit(&db->aModule, SQLITE_HASH_STRING, 0); #endif db->pVfs = sqlite3_vfs_find(zVfs); if( !db->pVfs ){ |
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** ************************************************************************* ** 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 1.492 2008/08/21 18:49:28 drh Exp $ */ #include "sqliteInt.h" #include <ctype.h> #ifdef SQLITE_ENABLE_FTS3 # include "fts3.h" #endif ................................................................................ ** sqlite3_initialize(). The recursive calls normally come through ** sqlite3_os_init() when it invokes sqlite3_vfs_register(), but other ** recursive calls might also be possible. */ sqlite3_mutex_enter(sqlite3Config.pInitMutex); if( sqlite3Config.isInit==0 && inProgress==0 ){ inProgress = 1; memset(&sqlite3FuncBuiltins, 0, sizeof(sqlite3FuncBuiltins)); sqlite3RegisterGlobalFunctions(); rc = sqlite3_os_init(); if( rc==SQLITE_OK ){ rc = sqlite3PcacheInitialize(); sqlite3PCacheBufferSetup(sqlite3Config.pPage, sqlite3Config.szPage, sqlite3Config.nPage); } inProgress = 0; ................................................................................ pDb->pSchema = 0; } } } sqlite3ResetInternalSchema(db, 0); assert( db->nDb<=2 ); assert( db->aDb==db->aDbStatic ); for(j=0; j<ArraySize(db->aFunc.a); j++){ FuncDef *pNext, *pHash, *p; for(p=db->aFunc.a[j]; p; p=pHash){ pHash = p->pHash; while( p ){ pNext = p->pNext; sqlite3DbFree(db, p); p = pNext; } } } for(i=sqliteHashFirst(&db->aCollSeq); i; i=sqliteHashNext(i)){ CollSeq *pColl = (CollSeq *)sqliteHashData(i); /* Invoke any destructors registered for collation sequence user data. */ for(j=0; j<3; j++){ if( pColl[j].xDel ){ pColl[j].xDel(pColl[j].pUser); } ................................................................................ pMod->xDestroy(pMod->pAux); } sqlite3DbFree(db, pMod); } sqlite3HashClear(&db->aModule); #endif sqlite3Error(db, SQLITE_OK, 0); /* Deallocates any cached error strings. */ if( db->pErr ){ sqlite3ValueFree(db->pErr); } sqlite3CloseExtensions(db); db->magic = SQLITE_MAGIC_ERROR; ................................................................................ #endif #if SQLITE_MAX_LIKE_PATTERN_LENGTH<1 # error SQLITE_MAX_LIKE_PATTERN_LENGTH must be at least 1 #endif #if SQLITE_MAX_VARIABLE_NUMBER<1 # error SQLITE_MAX_VARIABLE_NUMBER must be at least 1 #endif #if SQLITE_MAX_COLUMN>32767 # error SQLITE_MAX_COLUMN must not exceed 32767 #endif /* ** Change the value of a limit. Report the old value. ** If an invalid limit index is supplied, report -1. ** Make no changes but still report the old value if the ** new limit is negative. ................................................................................ #if SQLITE_DEFAULT_FILE_FORMAT<4 | SQLITE_LegacyFileFmt #endif #ifdef SQLITE_ENABLE_LOAD_EXTENSION | SQLITE_LoadExtension #endif ; sqlite3HashInit(&db->aCollSeq, SQLITE_HASH_STRING, 0); #ifndef SQLITE_OMIT_VIRTUALTABLE sqlite3HashInit(&db->aModule, SQLITE_HASH_STRING, 0); #endif db->pVfs = sqlite3_vfs_find(zVfs); if( !db->pVfs ){ |
Changes to src/sqliteInt.h.
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 ... 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 ... 451 452 453 454 455 456 457 458 459 460 461 462 463 464 ... 588 589 590 591 592 593 594 595 596 597 598 599 600 601 ... 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 ... 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 .... 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 .... 2264 2265 2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 |
** 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 1.757 2008/08/20 16:35:10 drh Exp $ */ #ifndef _SQLITEINT_H_ #define _SQLITEINT_H_ /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build ................................................................................ #endif typedef sqlite_int64 i64; /* 8-byte signed integer */ typedef sqlite_uint64 u64; /* 8-byte unsigned integer */ typedef UINT32_TYPE u32; /* 4-byte unsigned integer */ typedef UINT16_TYPE u16; /* 2-byte unsigned integer */ typedef INT16_TYPE i16; /* 2-byte signed integer */ typedef UINT8_TYPE u8; /* 1-byte unsigned integer */ typedef UINT8_TYPE i8; /* 1-byte signed integer */ /* ** Macros to determine whether the machine is big or little endian, ** evaluated at runtime. */ #ifdef SQLITE_AMALGAMATION const int sqlite3one; ................................................................................ typedef struct Column Column; typedef struct Db Db; typedef struct Schema Schema; typedef struct Expr Expr; typedef struct ExprList ExprList; typedef struct FKey FKey; typedef struct FuncDef FuncDef; typedef struct IdList IdList; typedef struct Index Index; typedef struct KeyClass KeyClass; typedef struct KeyInfo KeyInfo; typedef struct Lookaside Lookaside; typedef struct LookasideSlot LookasideSlot; typedef struct Module Module; ................................................................................ void *pStart; /* First byte of available memory space */ void *pEnd; /* First byte past end of available space */ }; struct LookasideSlot { LookasideSlot *pNext; /* Next buffer in the list of free buffers */ }; /* ** Each database is an instance of the following structure. ** ** The sqlite.lastRowid records the last insert rowid generated by an ** insert statement. Inserts on views do not affect its value. Each ** trigger has its own context, so that lastRowid can be updated inside ** triggers as usual. The previous value will be restored once the trigger ................................................................................ #endif #ifndef SQLITE_OMIT_VIRTUALTABLE Hash aModule; /* populated by sqlite3_create_module() */ Table *pVTab; /* vtab with active Connect/Create method */ sqlite3_vtab **aVTrans; /* Virtual tables with open transactions */ int nVTrans; /* Allocated size of aVTrans */ #endif Hash aFunc; /* All functions that can be in SQL exprs */ Hash aCollSeq; /* All collating sequences */ BusyHandler busyHandler; /* Busy callback */ int busyTimeout; /* Busy handler timeout, in msec */ Db aDbStatic[2]; /* Static space for the 2 default backends */ #ifdef SQLITE_SSE sqlite3_stmt *pFetch; /* Used by SSE to fetch stored statements */ #endif ................................................................................ /* ** Each SQL function is defined by an instance of the following ** structure. A pointer to this structure is stored in the sqlite.aFunc ** hash table. When multiple functions have the same name, the hash table ** points to a linked list of these structures. */ struct FuncDef { i16 nArg; /* Number of arguments. -1 means unlimited */ u8 iPrefEnc; /* Preferred text encoding (SQLITE_UTF8, 16LE, 16BE) */ u8 needCollSeq; /* True if sqlite3GetFuncCollSeq() might be called */ u8 flags; /* Some combination of SQLITE_FUNC_* */ void *pUserData; /* User data parameter */ FuncDef *pNext; /* Next function with same name */ void (*xFunc)(sqlite3_context*,int,sqlite3_value**); /* Regular function */ void (*xStep)(sqlite3_context*,int,sqlite3_value**); /* Aggregate step */ void (*xFinalize)(sqlite3_context*); /* Aggregate finializer */ char *zName; /* SQL name of the function. */ }; /* ** Possible values for FuncDef.flags */ #define SQLITE_FUNC_LIKE 0x01 /* Candidate for the LIKE optimization */ #define SQLITE_FUNC_CASE 0x02 /* Case-sensitive LIKE-type function */ ................................................................................ void sqlite3BeginWriteOperation(Parse*, int, int); Expr *sqlite3ExprDup(sqlite3*,Expr*); void sqlite3TokenCopy(sqlite3*,Token*, Token*); ExprList *sqlite3ExprListDup(sqlite3*,ExprList*); SrcList *sqlite3SrcListDup(sqlite3*,SrcList*); IdList *sqlite3IdListDup(sqlite3*,IdList*); Select *sqlite3SelectDup(sqlite3*,Select*); FuncDef *sqlite3FindFunction(sqlite3*,const char*,int,int,u8,int); void sqlite3RegisterBuiltinFunctions(sqlite3*); void sqlite3RegisterDateTimeFunctions(sqlite3*); int sqlite3GetBuiltinFunction(const char *, int, FuncDef **); #ifdef SQLITE_DEBUG int sqlite3SafetyOn(sqlite3*); int sqlite3SafetyOff(sqlite3*); #else # define sqlite3SafetyOn(A) 0 # define sqlite3SafetyOff(A) 0 ................................................................................ sqlite3_value *sqlite3ValueNew(sqlite3 *); char *sqlite3Utf16to8(sqlite3 *, const void*, int); int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **); void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8); #ifndef SQLITE_AMALGAMATION extern const unsigned char sqlite3UpperToLower[]; extern struct Sqlite3Config sqlite3Config; #endif void sqlite3RootPageMoved(Db*, int, int); void sqlite3Reindex(Parse*, Token*, Token*); void sqlite3AlterFunctions(sqlite3*); void sqlite3AlterRenameTable(Parse*, SrcList*, Token*); int sqlite3GetToken(const unsigned char *, int *); void sqlite3NestedParse(Parse*, const char*, ...); |
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** 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 1.758 2008/08/21 18:49:28 drh Exp $ */ #ifndef _SQLITEINT_H_ #define _SQLITEINT_H_ /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build ................................................................................ #endif typedef sqlite_int64 i64; /* 8-byte signed integer */ typedef sqlite_uint64 u64; /* 8-byte unsigned integer */ typedef UINT32_TYPE u32; /* 4-byte unsigned integer */ typedef UINT16_TYPE u16; /* 2-byte unsigned integer */ typedef INT16_TYPE i16; /* 2-byte signed integer */ typedef UINT8_TYPE u8; /* 1-byte unsigned integer */ typedef INT8_TYPE i8; /* 1-byte signed integer */ /* ** Macros to determine whether the machine is big or little endian, ** evaluated at runtime. */ #ifdef SQLITE_AMALGAMATION const int sqlite3one; ................................................................................ typedef struct Column Column; typedef struct Db Db; typedef struct Schema Schema; typedef struct Expr Expr; typedef struct ExprList ExprList; typedef struct FKey FKey; typedef struct FuncDef FuncDef; typedef struct FuncDefHash FuncDefHash; typedef struct IdList IdList; typedef struct Index Index; typedef struct KeyClass KeyClass; typedef struct KeyInfo KeyInfo; typedef struct Lookaside Lookaside; typedef struct LookasideSlot LookasideSlot; typedef struct Module Module; ................................................................................ void *pStart; /* First byte of available memory space */ void *pEnd; /* First byte past end of available space */ }; struct LookasideSlot { LookasideSlot *pNext; /* Next buffer in the list of free buffers */ }; /* ** A hash table for function definitions. ** ** Hash each FuncDef structure into one of the FuncDefHash.a[] slots. ** Collisions are on the FuncDef.pHash chain. */ struct FuncDefHash { FuncDef *a[23]; /* Hash table for functions */ }; /* ** Each database is an instance of the following structure. ** ** The sqlite.lastRowid records the last insert rowid generated by an ** insert statement. Inserts on views do not affect its value. Each ** trigger has its own context, so that lastRowid can be updated inside ** triggers as usual. The previous value will be restored once the trigger ................................................................................ #endif #ifndef SQLITE_OMIT_VIRTUALTABLE Hash aModule; /* populated by sqlite3_create_module() */ Table *pVTab; /* vtab with active Connect/Create method */ sqlite3_vtab **aVTrans; /* Virtual tables with open transactions */ int nVTrans; /* Allocated size of aVTrans */ #endif FuncDefHash aFunc; /* Hash table of connection functions */ Hash aCollSeq; /* All collating sequences */ BusyHandler busyHandler; /* Busy callback */ int busyTimeout; /* Busy handler timeout, in msec */ Db aDbStatic[2]; /* Static space for the 2 default backends */ #ifdef SQLITE_SSE sqlite3_stmt *pFetch; /* Used by SSE to fetch stored statements */ #endif ................................................................................ /* ** Each SQL function is defined by an instance of the following ** structure. A pointer to this structure is stored in the sqlite.aFunc ** hash table. When multiple functions have the same name, the hash table ** points to a linked list of these structures. */ struct FuncDef { i8 nArg; /* Number of arguments. -1 means unlimited */ u8 iPrefEnc; /* Preferred text encoding (SQLITE_UTF8, 16LE, 16BE) */ u8 needCollSeq; /* True if sqlite3GetFuncCollSeq() might be called */ u8 flags; /* Some combination of SQLITE_FUNC_* */ void *pUserData; /* User data parameter */ FuncDef *pNext; /* Next function with same name */ void (*xFunc)(sqlite3_context*,int,sqlite3_value**); /* Regular function */ void (*xStep)(sqlite3_context*,int,sqlite3_value**); /* Aggregate step */ void (*xFinalize)(sqlite3_context*); /* Aggregate finializer */ char *zName; /* SQL name of the function. */ FuncDef *pHash; /* Next with a different name but the same hash */ }; /* ** Possible values for FuncDef.flags */ #define SQLITE_FUNC_LIKE 0x01 /* Candidate for the LIKE optimization */ #define SQLITE_FUNC_CASE 0x02 /* Case-sensitive LIKE-type function */ ................................................................................ void sqlite3BeginWriteOperation(Parse*, int, int); Expr *sqlite3ExprDup(sqlite3*,Expr*); void sqlite3TokenCopy(sqlite3*,Token*, Token*); ExprList *sqlite3ExprListDup(sqlite3*,ExprList*); SrcList *sqlite3SrcListDup(sqlite3*,SrcList*); IdList *sqlite3IdListDup(sqlite3*,IdList*); Select *sqlite3SelectDup(sqlite3*,Select*); void sqlite3FuncDefInsert(FuncDefHash*, FuncDef*); FuncDef *sqlite3FindFunction(sqlite3*,const char*,int,int,u8,int); void sqlite3RegisterBuiltinFunctions(sqlite3*); void sqlite3RegisterDateTimeFunctions(sqlite3*); void sqlite3RegisterGlobalFunctions(void); int sqlite3GetBuiltinFunction(const char *, int, FuncDef **); #ifdef SQLITE_DEBUG int sqlite3SafetyOn(sqlite3*); int sqlite3SafetyOff(sqlite3*); #else # define sqlite3SafetyOn(A) 0 # define sqlite3SafetyOff(A) 0 ................................................................................ sqlite3_value *sqlite3ValueNew(sqlite3 *); char *sqlite3Utf16to8(sqlite3 *, const void*, int); int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **); void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8); #ifndef SQLITE_AMALGAMATION extern const unsigned char sqlite3UpperToLower[]; extern struct Sqlite3Config sqlite3Config; extern FuncDefHash sqlite3FuncBuiltins; #endif void sqlite3RootPageMoved(Db*, int, int); void sqlite3Reindex(Parse*, Token*, Token*); void sqlite3AlterFunctions(sqlite3*); void sqlite3AlterRenameTable(Parse*, SrcList*, Token*); int sqlite3GetToken(const unsigned char *, int *); void sqlite3NestedParse(Parse*, const char*, ...); |
Deleted tool/mkfunction.c.
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/* ** This file contains a standalone program used to generate C code that ** implements a static hash table to store the definitions of built-in ** SQL functions in SQLite. */ #include <stdio.h> #include <string.h> #include <assert.h> /* ** The SQLite source file "func.c" is included below. ** ** By defining the 4 macros and typedef below before including "func.c", ** most of the code is excluded. What is left is an array of constant ** strings, aBuiltinFunc[], containing the names of SQLite's built-in ** SQL functions. i.e.: ** ** const char aBuiltinFunc[] = { "like", "glob", "min", "max" ... }; ** ** The data from aBuiltinFunc[] is used by this program to create the ** static hash table. */ #define CREATE_BUILTIN_HASHTABLE 1 #define FUNCTION(zName,w,x,y,z) #zName #define AGGREGATE(zName,v,w,x,y,z) #zName #define LIKEFUNC(zName,x,y,z) #zName #define FuncDef const char * #include "func.c" /* The number of buckets in the static hash table. */ #define HASHSIZE 127 typedef unsigned char u8; /* An array to map all upper-case characters into their corresponding ** lower-case character. */ static const u8 sqlite3UpperToLower[] = { 0, 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, 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, 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 }; #define UpperToLower sqlite3UpperToLower int sqlite3StrICmp(const char *zLeft, const char *zRight){ register unsigned char *a, *b; a = (unsigned char *)zLeft; b = (unsigned char *)zRight; while( *a!=0 && UpperToLower[*a]==UpperToLower[*b]){ a++; b++; } return UpperToLower[*a] - UpperToLower[*b]; } static int hashstring(const char *zName){ int ii; unsigned int iKey = 0; for(ii=0; zName[ii]; ii++){ iKey = (iKey<<3) + (u8)sqlite3UpperToLower[(u8)zName[ii]]; } iKey = iKey%HASHSIZE; return iKey; } static void printarray(const char *zName, u8 *aArray, int nArray){ int ii; printf(" static u8 %s[%d] = {", zName, nArray); for(ii=0; ii<nArray; ii++){ if( (ii%16)==0 ){ printf("\n "); } printf("%2d, ", aArray[ii]); } printf("\n };\n"); } int main(int argc, char **argv){ int nFunc; /* Number of entries in the aBuiltinFunc array */ u8 anFunc[256]; u8 aHash[HASHSIZE]; u8 aNext[256]; int ii; int iHead; nFunc = (sizeof(aBuiltinFunc)/sizeof(const char *)); assert(nFunc<256); memset(aHash, (unsigned char)nFunc, sizeof(aHash)); memset(aNext, (unsigned char)nFunc, sizeof(aNext)); memset(anFunc, 0, sizeof(anFunc)); iHead = -1; for(ii=0; ii<nFunc; ii++){ int iHash; if( iHead>=0 && 0==sqlite3StrICmp(aBuiltinFunc[ii], aBuiltinFunc[iHead]) ){ anFunc[iHead]++; continue; }else{ /* The routine generated by this program assumes that if there are ** two or more entries in the aBuiltinFunc[] array with the same ** name (i.e. two versions of the "max" function), then they must ** be stored in adjacent slots. The following block detects the ** problem if this is not the case. */ int jj; for(jj=0; jj<ii; jj++){ if( 0==sqlite3StrICmp(aBuiltinFunc[ii], aBuiltinFunc[jj]) ){ fprintf(stderr, "Error in func.c\n"); return -1; } } iHead = ii; anFunc[iHead] = 1; } iHash = hashstring(aBuiltinFunc[ii]); if( aHash[iHash]!=nFunc ){ int iNext = aHash[iHash]; while( aNext[iNext]!=nFunc ){ iNext = aNext[iNext]; } aNext[iNext] = ii; }else{ aHash[iHash] = ii; } } printf( "/******* Automatically Generated code - do not edit **************/\n" "int sqlite3GetBuiltinFunction(\n" " const char *zName, \n" " int nName, \n" " FuncDef **paFunc\n" "){\n" ); printarray("aHash", aHash, HASHSIZE); printarray("anFunc", anFunc, nFunc); printarray("aNext", aNext, nFunc); printf(" FuncDef *pNoFunc = &aBuiltinFunc[%d];\n", nFunc); printf( " unsigned int iKey = 0; /* Hash of case-insensitive string zName. */\n" " int ii;\n" " FuncDef *pFunc;\n" "\n" ); printf( " assert( (sizeof(aBuiltinFunc)/sizeof(aBuiltinFunc[0]))==%d );\n", nFunc ); printf( " /* Generate the hash of zName */\n" " for(ii=0; ii<nName; ii++){\n" " iKey = (iKey<<3) + (u8)sqlite3UpperToLower[(u8)zName[ii]];\n" " }\n" " iKey = iKey%%127;\n" "\n" " pFunc = &aBuiltinFunc[iKey = aHash[iKey]];\n" " while( pFunc!=pNoFunc && sqlite3StrNICmp(pFunc->zName, zName, nName) ){\n" " pFunc = &aBuiltinFunc[iKey = aNext[iKey]];\n" " }\n" "\n" " *paFunc = pFunc;\n" " return anFunc[iKey];\n" "}\n" ); return 0; } |
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Changes to tool/mksqlite3c.tcl.
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alter.c
analyze.c
attach.c
auth.c
build.c
callback.c
delete.c
func2.c
insert.c
legacy.c
loadext.c
pragma.c
prepare.c
select.c
table.c
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alter.c analyze.c attach.c auth.c build.c callback.c delete.c func.c insert.c legacy.c loadext.c pragma.c prepare.c select.c table.c |