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Minor refactor of the SrcList object so that it is able to hold the argument

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list to a table-valued-function in the FROM clause.

FossilOrigin-Name: b919376147597c4b73421abe5788f893baf1560b
This commit is contained in:
drh
2015-08-19 15:20:00 +00:00
parent 398f872d1f
commit 8a48b9c0b1
12 changed files with 100 additions and 87 deletions
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6
src/wherecode.c
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@@ -646,14 +646,14 @@ Bitmask sqlite3WhereCodeOneLoopStart(
** initialize a memory cell that records if this table matches any
** row of the left table of the join.
*/
if( pLevel->iFrom>0 && (pTabItem[0].jointype & JT_LEFT)!=0 ){
if( pLevel->iFrom>0 && (pTabItem[0].fg.jointype & JT_LEFT)!=0 ){
pLevel->iLeftJoin = ++pParse->nMem;
sqlite3VdbeAddOp2(v, OP_Integer, 0, pLevel->iLeftJoin);
VdbeComment((v, "init LEFT JOIN no-match flag"));
}
/* Special case of a FROM clause subquery implemented as a co-routine */
if( pTabItem->viaCoroutine ){
if( pTabItem->fg.viaCoroutine ){
int regYield = pTabItem->regReturn;
sqlite3VdbeAddOp3(v, OP_InitCoroutine, regYield, 0, pTabItem->addrFillSub);
pLevel->p2 = sqlite3VdbeAddOp2(v, OP_Yield, regYield, addrBrk);
@@ -1395,7 +1395,7 @@ Bitmask sqlite3WhereCodeOneLoopStart(
static const u8 aStep[] = { OP_Next, OP_Prev };
static const u8 aStart[] = { OP_Rewind, OP_Last };
assert( bRev==0 || bRev==1 );
if( pTabItem->isRecursive ){
if( pTabItem->fg.isRecursive ){
/* Tables marked isRecursive have only a single row that is stored in
** a pseudo-cursor. No need to Rewind or Next such cursors. */
pLevel->op = OP_Noop;