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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2002-12-13 19:46:01 +0000 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2002-12-13 19:46:01 +0000 |
| commit | 3a4f7dde16ad81b2319b9a4924a6023710a2fefd (patch) | |
| tree | 248cf66fd94d40072b5ba8bb8e5437a6ea8399e5 /src/backend/executor/execAmi.c | |
| parent | 77b7a740f95250af7d78f69e9c906c3e53f32e7b (diff) | |
| download | postgresql-3a4f7dde16ad81b2319b9a4924a6023710a2fefd.tar.gz | |
Phase 3 of read-only-plans project: ExecInitExpr now builds expression
execution state trees, and ExecEvalExpr takes an expression state tree
not an expression plan tree. The plan tree is now read-only as far as
the executor is concerned. Next step is to begin actually exploiting
this property.
Diffstat (limited to 'src/backend/executor/execAmi.c')
| -rw-r--r-- | src/backend/executor/execAmi.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/backend/executor/execAmi.c b/src/backend/executor/execAmi.c index 4ac4781ec7..fa95ad6d99 100644 --- a/src/backend/executor/execAmi.c +++ b/src/backend/executor/execAmi.c @@ -6,7 +6,7 @@ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.66 2002/12/05 15:50:30 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/executor/execAmi.c,v 1.67 2002/12/13 19:45:52 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -61,17 +61,19 @@ ExecReScan(PlanState *node, ExprContext *exprCtxt) foreach(lst, node->initPlan) { - PlanState *splan = ((SubPlanState *) lfirst(lst))->planstate; + SubPlanExprState *sstate = (SubPlanExprState *) lfirst(lst); + PlanState *splan = sstate->planstate; if (splan->plan->extParam != NIL) /* don't care about child * locParam */ SetChangedParamList(splan, node->chgParam); if (splan->chgParam != NIL) - ExecReScanSetParamPlan((SubPlanState *) lfirst(lst), node); + ExecReScanSetParamPlan(sstate, node); } foreach(lst, node->subPlan) { - PlanState *splan = ((SubPlanState *) lfirst(lst))->planstate; + SubPlanExprState *sstate = (SubPlanExprState *) lfirst(lst); + PlanState *splan = sstate->planstate; if (splan->plan->extParam != NIL) SetChangedParamList(splan, node->chgParam); |