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Faster and smaller implementation of sqlite3_value_type().

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FossilOrigin-Name: 5708bc24b8cab623b833121183042b43e5a7021b
This commit is contained in:
drh
2014-02-10 03:21:57 +00:00
parent 5574e3f456
commit 1b27b8c0a0
8 changed files with 76 additions and 63 deletions
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5
src/vdbeInt.h
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@@ -168,7 +168,7 @@ struct Mem {
} u;
int n; /* Number of characters in string value, excluding '\0' */
u16 flags; /* Some combination of MEM_Null, MEM_Str, MEM_Dyn, etc. */
u8 type; /* One of SQLITE_NULL, SQLITE_TEXT, SQLITE_INTEGER, etc */
u8 memType; /* Lower 5 bits of flags */
u8 enc; /* SQLITE_UTF8, SQLITE_UTF16BE, SQLITE_UTF16LE */
#ifdef SQLITE_DEBUG
Mem *pScopyFrom; /* This Mem is a shallow copy of pScopyFrom */
@@ -434,7 +434,8 @@ int sqlite3VdbeMemGrow(Mem *pMem, int n, int preserve);
int sqlite3VdbeCloseStatement(Vdbe *, int);
void sqlite3VdbeFrameDelete(VdbeFrame*);
int sqlite3VdbeFrameRestore(VdbeFrame *);
void sqlite3VdbeMemStoreType(Mem *pMem);
#define sqlite3VdbeMemStoreType(X) (X)->memType = (u8)((X)->flags&0x1f)
/* void sqlite3VdbeMemStoreType(Mem *pMem); */
int sqlite3VdbeTransferError(Vdbe *p);
int sqlite3VdbeSorterInit(sqlite3 *, VdbeCursor *);