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Reduce the size of VdbeCursor again, this time without a performance hit.

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FossilOrigin-Name: 933939932c44bccb0958f203a5bd24e683c1cf38
This commit is contained in:
drh
2013-11-21 01:04:02 +00:00
parent 1fd522ff49
commit 5cc1023e1c
5 changed files with 20 additions and 20 deletions
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11
src/vdbe.c
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@@ -212,9 +212,8 @@ static VdbeCursor *allocateCursor(
int nByte;
VdbeCursor *pCx = 0;
nByte =
ROUND8(sizeof(VdbeCursor)) +
(isBtreeCursor?sqlite3BtreeCursorSize():0) +
(2*nField+2)*sizeof(u32);
ROUND8(sizeof(VdbeCursor)) + 2*sizeof(u32)*nField +
(isBtreeCursor?sqlite3BtreeCursorSize():0);
assert( iCur<p->nCursor );
if( p->apCsr[iCur] ){
@@ -226,12 +225,9 @@ static VdbeCursor *allocateCursor(
memset(pCx, 0, sizeof(VdbeCursor));
pCx->iDb = iDb;
pCx->nField = nField;
if( nField ){
pCx->aType = (u32 *)&pMem->z[ROUND8(sizeof(VdbeCursor))];
}
if( isBtreeCursor ){
pCx->pCursor = (BtCursor*)
&pMem->z[ROUND8(sizeof(VdbeCursor))+(2*nField+2)*sizeof(u32)];
&pMem->z[ROUND8(sizeof(VdbeCursor))+2*sizeof(u32)*nField];
sqlite3BtreeCursorZero(pCx->pCursor);
}
}
@@ -5807,7 +5803,6 @@ case OP_VOpen: {
pCur = allocateCursor(p, pOp->p1, 0, -1, 0);
if( pCur ){
pCur->pVtabCursor = pVtabCursor;
pCur->pModule = pVtabCursor->pVtab->pModule;
}else{
db->mallocFailed = 1;
pModule->xClose(pVtabCursor);