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Overview
Comment: | Fixed some spelling errors in sqliteInt.h. Ticket #3509. (CVS 5952) |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
7e134a5c1a9f103abd9d655483ad54cf |
User & Date: | shane 2008-11-24 20:01:33.000 |
Context
2008-11-24
| ||
20:05 | Added cast to PAGE_TO_PGHDR1 macro to remove warning. It looks like despite the warning, the compiler (tested with VS2005 and GCC on Windows) was doing the right thing. Ticket #3510. (CVS 5953) (check-in: e93cec0a72 user: shane tags: trunk) | |
20:01 | Fixed some spelling errors in sqliteInt.h. Ticket #3509. (CVS 5952) (check-in: 7e134a5c1a user: shane tags: trunk) | |
15:32 | Added test case to in4.test to try and duplicate crash reported on the mailing list. (CVS 5951) (check-in: 8502fba37b user: shane tags: trunk) | |
Changes
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 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 | /* ** 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 1.799 2008/11/24 20:01:33 shane Exp $ */ #ifndef _SQLITEINT_H_ #define _SQLITEINT_H_ /* ** Include the configuration header output by 'configure' if we're using the ** autoconf-based build */ #ifdef _HAVE_SQLITE_CONFIG_H #include "config.h" #endif #include "sqliteLimit.h" /* Disable nuisance warnings on Borland compilers */ #if defined(__BORLANDC__) #pragma warn -rch /* unreachable code */ #pragma warn -ccc /* Condition is always true or false */ #pragma warn -aus /* Assigned value is never used */ #pragma warn -csu /* Comparing signed and unsigned */ #pragma warn -spa /* Suspicious pointer arithmetic */ #endif /* Needed for various definitions... */ #ifndef _GNU_SOURCE # define _GNU_SOURCE #endif |
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113 114 115 116 117 118 119 | * requires the #include of specific headers which differs between * platforms. */ #define SQLITE_INT_TO_PTR(X) ((void*)&((char*)0)[X]) #define SQLITE_PTR_TO_INT(X) ((int)(((char*)X)-(char*)0)) /* | | | | | | | 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 | * requires the #include of specific headers which differs between * platforms. */ #define SQLITE_INT_TO_PTR(X) ((void*)&((char*)0)[X]) #define SQLITE_PTR_TO_INT(X) ((int)(((char*)X)-(char*)0)) /* ** These #defines should enable >2GB file support on POSIX if the ** underlying operating system supports it. If the OS lacks ** large file support, or if the OS is windows, these should be no-ops. ** ** Ticket #2739: The _LARGEFILE_SOURCE macro must appear before any ** system #includes. Hence, this block of code must be the very first ** code in all source files. ** ** Large file support can be disabled using the -DSQLITE_DISABLE_LFS switch ** on the compiler command line. This is necessary if you are compiling ** on a recent machine (ex: Red Hat 7.2) but you want your code to work ** on an older machine (ex: Red Hat 6.0). If you compile on Red Hat 7.2 ** without this option, LFS is enable. But LFS does not exist in the kernel ** in Red Hat 6.0, so the code won't work. Hence, for maximum binary ** portability you should omit LFS. ** ** Similar is true for Mac OS X. LFS is only supported on Mac OS X 9 and later. */ #ifndef SQLITE_DISABLE_LFS # define _LARGE_FILE 1 # ifndef _FILE_OFFSET_BITS # define _FILE_OFFSET_BITS 64 # endif # define _LARGEFILE_SOURCE 1 |
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156 157 158 159 160 161 162 | # define SQLITE_THREADSAFE 1 #endif #endif /* ** The SQLITE_DEFAULT_MEMSTATUS macro must be defined as either 0 or 1. ** It determines whether or not the features related to | | | 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 | # define SQLITE_THREADSAFE 1 #endif #endif /* ** The SQLITE_DEFAULT_MEMSTATUS macro must be defined as either 0 or 1. ** It determines whether or not the features related to ** SQLITE_CONFIG_MEMSTATUS are available by default or not. This value can ** be overridden at runtime using the sqlite3_config() API. */ #if !defined(SQLITE_DEFAULT_MEMSTATUS) # define SQLITE_DEFAULT_MEMSTATUS 1 #endif /* |
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199 200 201 202 203 204 205 | */ #if defined(SQLITE_POW2_MEMORY_SIZE) && !defined(SQLITE_MALLOC_SOFT_LIMIT) # define SQLITE_MALLOC_SOFT_LIMIT 1024 #endif /* ** We need to define _XOPEN_SOURCE as follows in order to enable | | | 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 | */ #if defined(SQLITE_POW2_MEMORY_SIZE) && !defined(SQLITE_MALLOC_SOFT_LIMIT) # define SQLITE_MALLOC_SOFT_LIMIT 1024 #endif /* ** We need to define _XOPEN_SOURCE as follows in order to enable ** recursive mutexes on most Unix systems. But Mac OS X is different. ** The _XOPEN_SOURCE define causes problems for Mac OS X we are told, ** so it is omitted there. See ticket #2673. ** ** Later we learn that _XOPEN_SOURCE is poorly or incorrectly ** implemented on some systems. So we avoid defining it at all ** if it is already defined or if it is unneeded because we are ** not doing a threadsafe build. Ticket #2681. |
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556 557 558 559 560 561 562 | ** aDb[1] is the database file used to hold temporary tables. Additional ** databases may be attached. */ struct Db { char *zName; /* Name of this database */ Btree *pBt; /* The B*Tree structure for this database file */ u8 inTrans; /* 0: not writable. 1: Transaction. 2: Checkpoint */ | | | 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 | ** aDb[1] is the database file used to hold temporary tables. Additional ** databases may be attached. */ struct Db { char *zName; /* Name of this database */ Btree *pBt; /* The B*Tree structure for this database file */ u8 inTrans; /* 0: not writable. 1: Transaction. 2: Checkpoint */ u8 safety_level; /* How aggressive at syncing data to disk */ void *pAux; /* Auxiliary data. Usually NULL */ void (*xFreeAux)(void*); /* Routine to free pAux */ Schema *pSchema; /* Pointer to database schema (possibly shared) */ }; /* ** An instance of the following structure stores a database schema. |
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620 621 622 623 624 625 626 | ** The number of different kinds of things that can be limited ** using the sqlite3_limit() interface. */ #define SQLITE_N_LIMIT (SQLITE_LIMIT_VARIABLE_NUMBER+1) /* ** Lookaside malloc is a set of fixed-size buffers that can be used | | | 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 | ** The number of different kinds of things that can be limited ** using the sqlite3_limit() interface. */ #define SQLITE_N_LIMIT (SQLITE_LIMIT_VARIABLE_NUMBER+1) /* ** Lookaside malloc is a set of fixed-size buffers that can be used ** to satisfy small transient memory allocation requests for objects ** associated with a particular database connection. The use of ** lookaside malloc provides a significant performance enhancement ** (approx 10%) by avoiding numerous malloc/free requests while parsing ** SQL statements. ** ** The Lookaside structure holds configuration information about the ** lookaside malloc subsystem. Each available memory allocation in |
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685 686 687 688 689 690 691 | ** internal function sqlite3Error() is used to set these variables ** consistently. */ struct sqlite3 { sqlite3_vfs *pVfs; /* OS Interface */ int nDb; /* Number of backends currently in use */ Db *aDb; /* All backends */ | | | 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 | ** internal function sqlite3Error() is used to set these variables ** consistently. */ struct sqlite3 { sqlite3_vfs *pVfs; /* OS Interface */ int nDb; /* Number of backends currently in use */ Db *aDb; /* All backends */ int flags; /* Miscellaneous flags. See below */ int openFlags; /* Flags passed to sqlite3_vfs.xOpen() */ int errCode; /* Most recent error code (SQLITE_*) */ int errMask; /* & result codes with this before returning */ u8 autoCommit; /* The auto-commit flag. */ u8 temp_store; /* 1: file 2: memory 0: default */ u8 mallocFailed; /* True if we have seen a malloc failure */ u8 dfltLockMode; /* Default locking-mode for attached dbs */ |
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711 712 713 714 715 716 717 | int aLimit[SQLITE_N_LIMIT]; /* Limits */ struct sqlite3InitInfo { /* Information used during initialization */ int iDb; /* When back is being initialized */ int newTnum; /* Rootpage of table being initialized */ u8 busy; /* TRUE if currently initializing */ } init; int nExtension; /* Number of loaded extensions */ | | | | 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 | int aLimit[SQLITE_N_LIMIT]; /* Limits */ struct sqlite3InitInfo { /* Information used during initialization */ int iDb; /* When back is being initialized */ int newTnum; /* Rootpage of table being initialized */ u8 busy; /* TRUE if currently initializing */ } init; int nExtension; /* Number of loaded extensions */ void **aExtension; /* Array of shared library handles */ struct Vdbe *pVdbe; /* List of active virtual machines */ int activeVdbeCnt; /* Number of VDBEs currently executing */ int writeVdbeCnt; /* Number of active VDBEs that are writing */ void (*xTrace)(void*,const char*); /* Trace function */ void *pTraceArg; /* Argument to the trace function */ void (*xProfile)(void*,const char*,u64); /* Profiling function */ void *pProfileArg; /* Argument to profile function */ void *pCommitArg; /* Argument to xCommitCallback() */ int (*xCommitCallback)(void*); /* Invoked at every commit. */ |
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824 825 826 827 828 829 830 | i16 nArg; /* Number of arguments. -1 means unlimited */ u8 iPrefEnc; /* Preferred text encoding (SQLITE_UTF8, 16LE, 16BE) */ 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 */ | | | | 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 | i16 nArg; /* Number of arguments. -1 means unlimited */ u8 iPrefEnc; /* Preferred text encoding (SQLITE_UTF8, 16LE, 16BE) */ 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 finalizer */ 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 */ #define SQLITE_FUNC_EPHEM 0x04 /* Ephemeral. Delete with VDBE */ #define SQLITE_FUNC_NEEDCOLL 0x08 /* sqlite3GetFuncCollSeq() might be called */ /* ** The following three macros, FUNCTION(), LIKEFUNC() and AGGREGATE() are ** used to create the initializers for the FuncDef structures. ** ** FUNCTION(zName, nArg, iArg, bNC, xFunc) |
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906 907 908 909 910 911 912 | }; /* ** A "Collating Sequence" is defined by an instance of the following ** structure. Conceptually, a collating sequence consists of a name and ** a comparison routine that defines the order of that sequence. ** | | | 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 | }; /* ** A "Collating Sequence" is defined by an instance of the following ** structure. Conceptually, a collating sequence consists of a name and ** a comparison routine that defines the order of that sequence. ** ** There may two separate implementations of the collation function, one ** that processes text in UTF-8 encoding (CollSeq.xCmp) and another that ** processes text encoded in UTF-16 (CollSeq.xCmp16), using the machine ** native byte order. When a collation sequence is invoked, SQLite selects ** the version that will require the least expensive encoding ** translations, if any. ** ** The CollSeq.pUser member variable is an extra parameter that passed in |
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1045 1046 1047 1048 1049 1050 1051 | Table *pNextZombie; /* Next on the Parse.pZombieTab list */ }; /* ** Allowed values for Tabe.tabFlags. */ #define TF_Readonly 0x01 /* Read-only system table */ | | | 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 | Table *pNextZombie; /* Next on the Parse.pZombieTab list */ }; /* ** Allowed values for Tabe.tabFlags. */ #define TF_Readonly 0x01 /* Read-only system table */ #define TF_Ephemeral 0x02 /* An ephemeral table */ #define TF_HasPrimaryKey 0x04 /* Table has a primary key */ #define TF_Autoincrement 0x08 /* Integer primary key is autoincrement */ #define TF_Virtual 0x10 /* Is a virtual table */ #define TF_NeedMetadata 0x20 /* aCol[].zType and aCol[].pColl missing */ |
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1083 1084 1085 1086 1087 1088 1089 | ** b INTEGER CONSTRAINT fk1 REFERENCES ex2(x) ** ); ** ** For foreign key "fk1", the from-table is "ex1" and the to-table is "ex2". ** ** Each REFERENCES clause generates an instance of the following structure ** which is attached to the from-table. The to-table need not exist when | | | | 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 | ** b INTEGER CONSTRAINT fk1 REFERENCES ex2(x) ** ); ** ** For foreign key "fk1", the from-table is "ex1" and the to-table is "ex2". ** ** Each REFERENCES clause generates an instance of the following structure ** which is attached to the from-table. The to-table need not exist when ** the from-table is created. The existence of the to-table is not checked ** until an attempt is made to insert data into the from-table. ** ** The sqlite.aFKey hash table stores pointers to this structure ** given the name of a to-table. For each to-table, all foreign keys ** associated with that table are on a linked list using the FKey.pNextTo ** field. */ struct FKey { Table *pFrom; /* The table that contains the REFERENCES clause */ FKey *pNextFrom; /* Next foreign key in pFrom */ char *zTo; /* Name of table that the key points to */ FKey *pNextTo; /* Next foreign key that points to zTo */ int nCol; /* Number of columns in this key */ struct sColMap { /* Mapping of columns in pFrom to columns in zTo */ int iFrom; /* Index of column in pFrom */ char *zCol; /* Name of column in zTo. If 0 use PRIMARY KEY */ |
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1168 1169 1170 1171 1172 1173 1174 | ** An instance of the following structure holds information about a ** single index record that has already been parsed out into individual ** values. ** ** A record is an object that contains one or more fields of data. ** Records are used to store the content of a table row and to store ** the key of an index. A blob encoding of a record is created by | | | | 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 | ** An instance of the following structure holds information about a ** single index record that has already been parsed out into individual ** values. ** ** A record is an object that contains one or more fields of data. ** Records are used to store the content of a table row and to store ** the key of an index. A blob encoding of a record is created by ** the OP_MakeRecord opcode of the VDBE and is disassembled by the ** OP_Column opcode. ** ** This structure holds a record that has already been disassembled ** into its constituent fields. */ struct UnpackedRecord { KeyInfo *pKeyInfo; /* Collation and sort-order information */ u16 nField; /* Number of entries in apMem[] */ u16 flags; /* Boolean settings. UNPACKED_... below */ Mem *aMem; /* Values */ }; |
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1237 1238 1239 1240 1241 1242 1243 | }; /* ** Each token coming out of the lexer is an instance of ** this structure. Tokens are also used as part of an expression. ** ** Note if Token.z==0 then Token.dyn and Token.n are undefined and | | | 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 | }; /* ** Each token coming out of the lexer is an instance of ** this structure. Tokens are also used as part of an expression. ** ** Note if Token.z==0 then Token.dyn and Token.n are undefined and ** may contain random values. Do not make any assumptions about Token.dyn ** and Token.n when Token.z==0. */ struct Token { const unsigned char *z; /* Text of the token. Not NULL-terminated! */ unsigned dyn : 1; /* True for malloced memory, false for static */ unsigned n : 31; /* Number of characters in this token */ }; |
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1284 1285 1286 1287 1288 1289 1290 | int nAccumulator; /* Number of columns that show through to the output. ** Additional columns are used only as parameters to ** aggregate functions */ struct AggInfo_func { /* For each aggregate function */ Expr *pExpr; /* Expression encoding the function */ FuncDef *pFunc; /* The aggregate function implementation */ int iMem; /* Memory location that acts as accumulator */ | | | 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 | int nAccumulator; /* Number of columns that show through to the output. ** Additional columns are used only as parameters to ** aggregate functions */ struct AggInfo_func { /* For each aggregate function */ Expr *pExpr; /* Expression encoding the function */ FuncDef *pFunc; /* The aggregate function implementation */ int iMem; /* Memory location that acts as accumulator */ int iDistinct; /* Ephemeral table used to enforce DISTINCT */ } *aFunc; int nFunc; /* Number of entries in aFunc[] */ int nFuncAlloc; /* Number of slots allocated for aFunc[] */ }; /* ** Each node of an expression in the parse tree is an instance |
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1517 1518 1519 1520 1521 1522 1523 | struct WhereLevel { int iFrom; /* Which entry in the FROM clause */ int flags; /* Flags associated with this level */ int iMem; /* First memory cell used by this level */ int iLeftJoin; /* Memory cell used to implement LEFT OUTER JOIN */ Index *pIdx; /* Index used. NULL if no index */ int iTabCur; /* The VDBE cursor used to access the table */ | | | 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 | struct WhereLevel { int iFrom; /* Which entry in the FROM clause */ int flags; /* Flags associated with this level */ int iMem; /* First memory cell used by this level */ int iLeftJoin; /* Memory cell used to implement LEFT OUTER JOIN */ Index *pIdx; /* Index used. NULL if no index */ int iTabCur; /* The VDBE cursor used to access the table */ int iIdxCur; /* The VDBE cursor used to access pIdx */ int brk; /* Jump here to break out of the loop */ int nxt; /* Jump here to start the next IN combination */ int cont; /* Jump here to continue with the next loop cycle */ int top; /* First instruction of interior of the loop */ int op, p1, p2, p5; /* Opcode used to terminate the loop */ int nEq; /* Number of == or IN constraints on this loop */ int nIn; /* Number of IN operators constraining this loop */ |
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1671 1672 1673 1674 1675 1676 1677 | #define SRT_Mem 6 /* Store result in a memory cell */ #define SRT_Set 7 /* Store results as keys in an index */ #define SRT_Table 8 /* Store result as data with an automatic rowid */ #define SRT_EphemTab 9 /* Create transient tab and store like SRT_Table */ #define SRT_Coroutine 10 /* Generate a single row of result */ /* | | | 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 | #define SRT_Mem 6 /* Store result in a memory cell */ #define SRT_Set 7 /* Store results as keys in an index */ #define SRT_Table 8 /* Store result as data with an automatic rowid */ #define SRT_EphemTab 9 /* Create transient tab and store like SRT_Table */ #define SRT_Coroutine 10 /* Generate a single row of result */ /* ** A structure used to customize the behavior of sqlite3Select(). See ** comments above sqlite3Select() for details. */ typedef struct SelectDest SelectDest; struct SelectDest { u8 eDest; /* How to dispose of the results */ u8 affinity; /* Affinity used when eDest==SRT_Set */ int iParm; /* A parameter used by the eDest disposal method */ |
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1811 1812 1813 1814 1815 1816 1817 | * containing the SQL statements specified as the trigger program. */ struct Trigger { char *name; /* The name of the trigger */ char *table; /* The table or view to which the trigger applies */ u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT */ u8 tr_tm; /* One of TRIGGER_BEFORE, TRIGGER_AFTER */ | | | 1811 1812 1813 1814 1815 1816 1817 1818 1819 1820 1821 1822 1823 1824 1825 | * containing the SQL statements specified as the trigger program. */ struct Trigger { char *name; /* The name of the trigger */ char *table; /* The table or view to which the trigger applies */ u8 op; /* One of TK_DELETE, TK_UPDATE, TK_INSERT */ u8 tr_tm; /* One of TRIGGER_BEFORE, TRIGGER_AFTER */ Expr *pWhen; /* The WHEN clause of the expression (may be NULL) */ IdList *pColumns; /* If this is an UPDATE OF <column-list> trigger, the <column-list> is stored here */ Token nameToken; /* Token containing zName. Use during parsing only */ Schema *pSchema; /* Schema containing the trigger */ Schema *pTabSchema; /* Schema containing the table */ TriggerStep *step_list; /* Link list of trigger program steps */ Trigger *pNext; /* Next trigger associated with the table */ |
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1949 1950 1951 1952 1953 1954 1955 | sqlite3 *db; /* Optional database for lookaside. Can be NULL */ char *zBase; /* A base allocation. Not from malloc. */ char *zText; /* The string collected so far */ int nChar; /* Length of the string so far */ int nAlloc; /* Amount of space allocated in zText */ int mxAlloc; /* Maximum allowed string length */ u8 mallocFailed; /* Becomes true if any memory allocation fails */ | | | 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 | sqlite3 *db; /* Optional database for lookaside. Can be NULL */ char *zBase; /* A base allocation. Not from malloc. */ char *zText; /* The string collected so far */ int nChar; /* Length of the string so far */ int nAlloc; /* Amount of space allocated in zText */ int mxAlloc; /* Maximum allowed string length */ u8 mallocFailed; /* Becomes true if any memory allocation fails */ u8 useMalloc; /* True if zText is enlargeable using realloc */ u8 tooBig; /* Becomes true if string size exceeds limits */ }; /* ** A pointer to this structure is used to communicate information ** from sqlite3Init and OP_ParseSchema into the sqlite3InitCallback. */ |
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