diff options
Diffstat (limited to 'src/backend/executor/nodeCtescan.c')
| -rw-r--r-- | src/backend/executor/nodeCtescan.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/src/backend/executor/nodeCtescan.c b/src/backend/executor/nodeCtescan.c index 725840fef9c..7d5be7ffaba 100644 --- a/src/backend/executor/nodeCtescan.c +++ b/src/backend/executor/nodeCtescan.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/executor/nodeCtescan.c,v 1.6 2009/09/27 21:10:53 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/executor/nodeCtescan.c,v 1.7 2009/10/26 02:26:30 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -131,21 +131,30 @@ CteScanNext(CteScanState *node) return ExecClearTuple(slot); } +/* + * CteScanRecheck -- access method routine to recheck a tuple in EvalPlanQual + */ +static bool +CteScanRecheck(CteScanState *node, TupleTableSlot *slot) +{ + /* nothing to check */ + return true; +} + /* ---------------------------------------------------------------- * ExecCteScan(node) * * Scans the CTE sequentially and returns the next qualifying tuple. - * It calls the ExecScan() routine and passes it the access method - * which retrieves tuples sequentially. + * We call the ExecScan() routine and pass it the appropriate + * access method functions. * ---------------------------------------------------------------- */ TupleTableSlot * ExecCteScan(CteScanState *node) { - /* - * use CteScanNext as access method - */ - return ExecScan(&node->ss, (ExecScanAccessMtd) CteScanNext); + return ExecScan(&node->ss, + (ExecScanAccessMtd) CteScanNext, + (ExecScanRecheckMtd) CteScanRecheck); } @@ -300,7 +309,8 @@ ExecCteScanReScan(CteScanState *node, ExprContext *exprCtxt) Tuplestorestate *tuplestorestate = node->leader->cte_table; ExecClearTuple(node->ss.ps.ps_ResultTupleSlot); - node->ss.ps.ps_TupFromTlist = false; + + ExecScanReScan(&node->ss); if (node->leader == node) { |