diff options
Diffstat (limited to 'src/sqliteInt.h')
-rw-r--r-- | src/sqliteInt.h | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index af7ed4a4c..36a21d92e 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -765,7 +765,7 @@ ** ourselves. */ #ifndef offsetof -#define offsetof(STRUCTURE,FIELD) ((size_t)((char*)&((STRUCTURE*)0)->FIELD)) +# define offsetof(ST,M) ((size_t)((char*)&((ST*)0)->M - (char*)0)) #endif /* @@ -1031,8 +1031,8 @@ typedef INT16_TYPE LogEst; ** assuming n is a signed integer type. UMXV(n) is similar for unsigned ** integer types. */ -#define SMXV(n) ((((i64)1)<<(sizeof(n)-1))-1) -#define UMXV(n) ((((i64)1)<<(sizeof(n)))-1) +#define SMXV(n) ((((i64)1)<<(sizeof(n)*8-1))-1) +#define UMXV(n) ((((i64)1)<<(sizeof(n)*8))-1) /* ** Round up a number to the next larger multiple of 8. This is used @@ -1153,6 +1153,7 @@ extern u32 sqlite3TreeTrace; ** 0x00020000 Transform DISTINCT into GROUP BY ** 0x00040000 SELECT tree dump after all code has been generated ** 0x00080000 NOT NULL strength reduction +** 0x00100000 Pointers are all shown as zero */ /* @@ -1197,6 +1198,7 @@ extern u32 sqlite3WhereTrace; ** 0x00020000 Show WHERE terms returned from whereScanNext() ** 0x00040000 Solver overview messages ** 0x00080000 Star-query heuristic +** 0x00100000 Pointers are all shown as zero */ @@ -1269,7 +1271,7 @@ struct BusyHandler { ** pointer will work here as long as it is distinct from SQLITE_STATIC ** and SQLITE_TRANSIENT. */ -#define SQLITE_DYNAMIC ((sqlite3_destructor_type)sqlite3OomClear) +#define SQLITE_DYNAMIC ((sqlite3_destructor_type)sqlite3RowSetClear) /* ** When SQLITE_OMIT_WSD is defined, it means that the target platform does @@ -2329,6 +2331,7 @@ struct CollSeq { #define SQLITE_AFF_INTEGER 0x44 /* 'D' */ #define SQLITE_AFF_REAL 0x45 /* 'E' */ #define SQLITE_AFF_FLEXNUM 0x46 /* 'F' */ +#define SQLITE_AFF_DEFER 0x58 /* 'X' - defer computation until later */ #define sqlite3IsNumericAffinity(X) ((X)>=SQLITE_AFF_NUMERIC) @@ -2644,9 +2647,15 @@ struct FKey { ** argument to sqlite3VdbeKeyCompare and is used to control the ** comparison of the two index keys. ** -** Note that aSortOrder[] and aColl[] have nField+1 slots. There -** are nField slots for the columns of an index then one extra slot -** for the rowid at the end. +** The aSortOrder[] and aColl[] arrays have nAllField slots each. There +** are nKeyField slots for the columns of an index then extra slots +** for the rowid or key at the end. The aSortOrder array is located after +** the aColl[] array. +** +** If SQLITE_ENABLE_PREUPDATE_HOOK is defined, then aSortFlags might be NULL +** to indicate that this object is for use by a preupdate hook. When aSortFlags +** is NULL, then nAllField is uninitialized and no space is allocated for +** aColl[], so those fields may not be used. */ struct KeyInfo { u32 nRef; /* Number of references to this KeyInfo object */ @@ -2658,9 +2667,18 @@ struct KeyInfo { CollSeq *aColl[FLEXARRAY]; /* Collating sequence for each term of the key */ }; -/* The size (in bytes) of a KeyInfo object with up to N fields */ +/* The size (in bytes) of a KeyInfo object with up to N fields. This includes +** the main body of the KeyInfo object and the aColl[] array of N elements, +** but does not count the memory used to hold aSortFlags[]. */ #define SZ_KEYINFO(N) (offsetof(KeyInfo,aColl) + (N)*sizeof(CollSeq*)) +/* The size of a bare KeyInfo with no aColl[] entries */ +#if FLEXARRAY+1 > 1 +# define SZ_KEYINFO_0 offsetof(KeyInfo,aColl) +#else +# define SZ_KEYINFO_0 sizeof(KeyInfo) +#endif + /* ** Allowed bit values for entries in the KeyInfo.aSortFlags[] array. */ @@ -2679,9 +2697,8 @@ struct KeyInfo { ** ** An instance of this object serves as a "key" for doing a search on ** an index b+tree. The goal of the search is to find the entry that -** is closed to the key described by this object. This object might hold -** just a prefix of the key. The number of fields is given by -** pKeyInfo->nField. +** is closest to the key described by this object. This object might hold +** just a prefix of the key. The number of fields is given by nField. ** ** The r1 and r2 fields are the values to return if this key is less than ** or greater than a key in the btree, respectively. These are normally @@ -2691,7 +2708,7 @@ struct KeyInfo { ** The key comparison functions actually return default_rc when they find ** an equals comparison. default_rc can be -1, 0, or +1. If there are ** multiple entries in the b-tree with the same key (when only looking -** at the first pKeyInfo->nFields,) then default_rc can be set to -1 to +** at the first nField elements) then default_rc can be set to -1 to ** cause the search to find the last match, or +1 to cause the search to ** find the first match. ** @@ -2703,8 +2720,8 @@ struct KeyInfo { ** b-tree. */ struct UnpackedRecord { - KeyInfo *pKeyInfo; /* Collation and sort-order information */ - Mem *aMem; /* Values */ + KeyInfo *pKeyInfo; /* Comparison info for the index that is unpacked */ + Mem *aMem; /* Values for columns of the index */ union { char *z; /* Cache of aMem[0].z for vdbeRecordCompareString() */ i64 i; /* Cache of aMem[0].u.i for vdbeRecordCompareInt() */ @@ -2879,7 +2896,7 @@ struct AggInfo { ** from source tables rather than from accumulators */ u8 useSortingIdx; /* In direct mode, reference the sorting index rather ** than the source table */ - u16 nSortingColumn; /* Number of columns in the sorting index */ + u32 nSortingColumn; /* Number of columns in the sorting index */ int sortingIdx; /* Cursor number of the sorting index */ int sortingIdxPTab; /* Cursor number of pseudo-table */ int iFirstReg; /* First register in range for aCol[] and aFunc[] */ @@ -2888,8 +2905,8 @@ struct AggInfo { Table *pTab; /* Source table */ Expr *pCExpr; /* The original expression */ int iTable; /* Cursor number of the source table */ - i16 iColumn; /* Column number within the source table */ - i16 iSorterColumn; /* Column number in the sorting index */ + int iColumn; /* Column number within the source table */ + int iSorterColumn; /* Column number in the sorting index */ } *aCol; int nColumn; /* Number of used entries in aCol[] */ int nAccumulator; /* Number of columns that show through to the output. @@ -4879,6 +4896,7 @@ char *sqlite3VMPrintf(sqlite3*,const char*, va_list); void sqlite3ShowWindow(const Window*); void sqlite3ShowWinFunc(const Window*); #endif + void sqlite3ShowBitvec(Bitvec*); #endif void sqlite3SetString(char **, sqlite3*, const char*); |