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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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32
src/vdbe.c
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@@ -133,30 +133,6 @@ int sqlite3_found_count = 0;
/* Return true if the cursor was opened using the OP_OpenSorter opcode. */
#define isSorter(x) ((x)->pSorter!=0)
/*
** Argument pMem points at a register that will be passed to a
** user-defined function or returned to the user as the result of a query.
** This routine sets the pMem->type variable used by the sqlite3_value_*()
** routines.
*/
void sqlite3VdbeMemStoreType(Mem *pMem){
int flags = pMem->flags;
if( flags & MEM_Null ){
pMem->type = SQLITE_NULL;
}
else if( flags & MEM_Int ){
pMem->type = SQLITE_INTEGER;
}
else if( flags & MEM_Real ){
pMem->type = SQLITE_FLOAT;
}
else if( flags & MEM_Str ){
pMem->type = SQLITE_TEXT;
}else{
pMem->type = SQLITE_BLOB;
}
}
/*
** Allocate VdbeCursor number iCur. Return a pointer to it. Return NULL
** if we run out of memory.
@@ -285,12 +261,14 @@ static void applyAffinity(
** loss of information and return the revised type of the argument.
*/
int sqlite3_value_numeric_type(sqlite3_value *pVal){
Mem *pMem = (Mem*)pVal;
if( pMem->type==SQLITE_TEXT ){
int eType = sqlite3_value_type(pVal);
if( eType==SQLITE_TEXT ){
Mem *pMem = (Mem*)pVal;
applyNumericAffinity(pMem);
sqlite3VdbeMemStoreType(pMem);
eType = sqlite3_value_type(pVal);
}
return pMem->type;
return eType;
}
/*