diff options
Diffstat (limited to 'src/backend/executor/nodeSeqscan.c')
-rw-r--r-- | src/backend/executor/nodeSeqscan.c | 56 |
1 files changed, 17 insertions, 39 deletions
diff --git a/src/backend/executor/nodeSeqscan.c b/src/backend/executor/nodeSeqscan.c index 58631378d5c..9db368922a3 100644 --- a/src/backend/executor/nodeSeqscan.c +++ b/src/backend/executor/nodeSeqscan.c @@ -32,7 +32,6 @@ #include "executor/nodeSeqscan.h" #include "utils/rel.h" -static void InitScanRelation(SeqScanState *node, EState *estate, int eflags); static TupleTableSlot *SeqNext(SeqScanState *node); /* ---------------------------------------------------------------- @@ -132,31 +131,6 @@ ExecSeqScan(PlanState *pstate) (ExecScanRecheckMtd) SeqRecheck); } -/* ---------------------------------------------------------------- - * InitScanRelation - * - * Set up to access the scan relation. - * ---------------------------------------------------------------- - */ -static void -InitScanRelation(SeqScanState *node, EState *estate, int eflags) -{ - Relation currentRelation; - - /* - * get the relation object id from the relid'th entry in the range table, - * open that relation and acquire appropriate lock on it. - */ - currentRelation = ExecOpenScanRelation(estate, - ((SeqScan *) node->ss.ps.plan)->scanrelid, - eflags); - - node->ss.ss_currentRelation = currentRelation; - - /* and report the scan tuple slot's rowtype */ - ExecAssignScanType(&node->ss, RelationGetDescr(currentRelation)); -} - /* ---------------------------------------------------------------- * ExecInitSeqScan @@ -190,27 +164,31 @@ ExecInitSeqScan(SeqScan *node, EState *estate, int eflags) ExecAssignExprContext(estate, &scanstate->ss.ps); /* - * initialize child expressions + * Initialize scan relation. + * + * Get the relation object id from the relid'th entry in the range table, + * open that relation and acquire appropriate lock on it. */ - scanstate->ss.ps.qual = - ExecInitQual(node->plan.qual, (PlanState *) scanstate); + scanstate->ss.ss_currentRelation = + ExecOpenScanRelation(estate, + node->scanrelid, + eflags); - /* - * tuple table initialization - */ - ExecInitResultTupleSlot(estate, &scanstate->ss.ps); - ExecInitScanTupleSlot(estate, &scanstate->ss); + /* and create slot with the appropriate rowtype */ + ExecInitScanTupleSlot(estate, &scanstate->ss, + RelationGetDescr(scanstate->ss.ss_currentRelation)); /* - * initialize scan relation + * Initialize result slot, type and projection. */ - InitScanRelation(scanstate, estate, eflags); + ExecInitResultTupleSlotTL(estate, &scanstate->ss.ps); + ExecAssignScanProjectionInfo(&scanstate->ss); /* - * Initialize result tuple type and projection info. + * initialize child expressions */ - ExecAssignResultTypeFromTL(&scanstate->ss.ps); - ExecAssignScanProjectionInfo(&scanstate->ss); + scanstate->ss.ps.qual = + ExecInitQual(node->plan.qual, (PlanState *) scanstate); return scanstate; } |