diff options
Diffstat (limited to 'src/vdbeInt.h')
| -rw-r--r-- | src/vdbeInt.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/vdbeInt.h b/src/vdbeInt.h index 8f9741f01..fada20370 100644 --- a/src/vdbeInt.h +++ b/src/vdbeInt.h @@ -74,6 +74,7 @@ typedef struct AuxData AuxData; ** * A virtual table ** * A one-row "pseudotable" stored in a single register */ +typedef struct VdbeCursor VdbeCursor; struct VdbeCursor { u8 eCurType; /* One of the CURTYPE_* values above */ i8 iDb; /* Index of cursor database in db->aDb[] (or -1) */ @@ -82,6 +83,7 @@ struct VdbeCursor { u8 isTable; /* True for rowid tables. False for indexes */ #ifdef SQLITE_DEBUG u8 seekOp; /* Most recent seek operation on this cursor */ + u8 wrFlag; /* The wrFlag argument to sqlite3BtreeCursor() */ #endif Bool isEphemeral:1; /* True for an ephemeral table */ Bool useRandomRowid:1;/* Generate new record numbers semi-randomly */ @@ -100,6 +102,8 @@ struct VdbeCursor { int seekResult; /* Result of previous sqlite3BtreeMoveto() */ i64 seqCount; /* Sequence counter */ i64 movetoTarget; /* Argument to the deferred sqlite3BtreeMoveto() */ + VdbeCursor *pAltCursor; /* Associated index cursor from which to read */ + int *aAltMap; /* Mapping from table to index column numbers */ #ifdef SQLITE_ENABLE_COLUMN_USED_MASK u64 maskUsed; /* Mask of columns used by this cursor */ #endif @@ -124,7 +128,6 @@ struct VdbeCursor { ** static element declared in the structure. nField total array slots for ** aType[] and nField+1 array slots for aOffset[] */ }; -typedef struct VdbeCursor VdbeCursor; /* ** When a sub-program is executed (OP_Program), a structure of this type @@ -235,7 +238,7 @@ struct Mem { #define MEM_Frame 0x0040 /* Value is a VdbeFrame object */ #define MEM_Undefined 0x0080 /* Value is undefined */ #define MEM_Cleared 0x0100 /* NULL set by OP_Null, not from data */ -#define MEM_TypeMask 0x01ff /* Mask of type bits */ +#define MEM_TypeMask 0x81ff /* Mask of type bits */ /* Whenever Mem contains a valid string or blob representation, one of @@ -249,11 +252,18 @@ struct Mem { #define MEM_Ephem 0x1000 /* Mem.z points to an ephemeral string */ #define MEM_Agg 0x2000 /* Mem.z points to an agg function context */ #define MEM_Zero 0x4000 /* Mem.i contains count of 0s appended to blob */ +#define MEM_Subtype 0x8000 /* Mem.eSubtype is valid */ #ifdef SQLITE_OMIT_INCRBLOB #undef MEM_Zero #define MEM_Zero 0x0000 #endif +/* Return TRUE if Mem X contains dynamically allocated content - anything +** that needs to be deallocated to avoid a leak. +*/ +#define VdbeMemDynamic(X) \ + (((X)->flags&(MEM_Agg|MEM_Dyn|MEM_RowSet|MEM_Frame))!=0) + /* ** Clear any existing type flags from a Mem and replace them with f */ @@ -442,7 +452,7 @@ struct PreUpdate { void sqlite3VdbeError(Vdbe*, const char *, ...); void sqlite3VdbeFreeCursor(Vdbe *, VdbeCursor*); void sqliteVdbePopStack(Vdbe*,int); -int sqlite3VdbeCursorMoveto(VdbeCursor*); +int sqlite3VdbeCursorMoveto(VdbeCursor**, int*); int sqlite3VdbeCursorRestore(VdbeCursor*); #if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE) void sqlite3VdbePrintOp(FILE*, int, Op*); @@ -488,8 +498,6 @@ int sqlite3VdbeMemNumerify(Mem*); void sqlite3VdbeMemCast(Mem*,u8,u8); int sqlite3VdbeMemFromBtree(BtCursor*,u32,u32,int,Mem*); void sqlite3VdbeMemRelease(Mem *p); -#define VdbeMemDynamic(X) \ - (((X)->flags&(MEM_Agg|MEM_Dyn|MEM_RowSet|MEM_Frame))!=0) int sqlite3VdbeMemFinalize(Mem*, FuncDef*); const char *sqlite3OpcodeName(int); int sqlite3VdbeMemGrow(Mem *pMem, int n, int preserve); |