From 4a8c5d0375f17d8d961a280cbb640996aaa8bf0d Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Tue, 19 Apr 2005 22:35:18 +0000 Subject: Create executor and planner-backend support for decoupled heap and index scans, using in-memory tuple ID bitmaps as the intermediary. The planner frontend (path creation and cost estimation) is not there yet, so none of this code can be executed. I have tested it using some hacked planner code that is far too ugly to see the light of day, however. Committing now so that the bulk of the infrastructure changes go in before the tree drifts under me. --- src/backend/optimizer/plan/setrefs.c | 27 ++++++++++++++++++++++++++- 1 file changed, 26 insertions(+), 1 deletion(-) (limited to 'src/backend/optimizer/plan/setrefs.c') diff --git a/src/backend/optimizer/plan/setrefs.c b/src/backend/optimizer/plan/setrefs.c index 075c6a339df..0688d86b1b1 100644 --- a/src/backend/optimizer/plan/setrefs.c +++ b/src/backend/optimizer/plan/setrefs.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.106 2005/04/06 16:34:05 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/plan/setrefs.c,v 1.107 2005/04/19 22:35:16 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -107,6 +107,21 @@ set_plan_references(Plan *plan, List *rtable) fix_expr_references(plan, (Node *) ((IndexScan *) plan)->indxqualorig); break; + case T_BitmapIndexScan: + /* no need to fix targetlist and qual */ + Assert(plan->targetlist == NIL); + Assert(plan->qual == NIL); + fix_expr_references(plan, + (Node *) ((BitmapIndexScan *) plan)->indxqual); + fix_expr_references(plan, + (Node *) ((BitmapIndexScan *) plan)->indxqualorig); + break; + case T_BitmapHeapScan: + fix_expr_references(plan, (Node *) plan->targetlist); + fix_expr_references(plan, (Node *) plan->qual); + fix_expr_references(plan, + (Node *) ((BitmapHeapScan *) plan)->bitmapqualorig); + break; case T_TidScan: fix_expr_references(plan, (Node *) plan->targetlist); fix_expr_references(plan, (Node *) plan->qual); @@ -225,6 +240,16 @@ set_plan_references(Plan *plan, List *rtable) foreach(l, ((Append *) plan)->appendplans) set_plan_references((Plan *) lfirst(l), rtable); break; + case T_BitmapAnd: + /* BitmapAnd works like Append */ + foreach(l, ((BitmapAnd *) plan)->bitmapplans) + set_plan_references((Plan *) lfirst(l), rtable); + break; + case T_BitmapOr: + /* BitmapOr works like Append */ + foreach(l, ((BitmapOr *) plan)->bitmapplans) + set_plan_references((Plan *) lfirst(l), rtable); + break; default: elog(ERROR, "unrecognized node type: %d", (int) nodeTag(plan)); -- cgit v1.2.3