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Clean up problems with sublinks + grouping in planner. Not

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sure if they are all fixed, because rewriter is now the stumbling block,
but at least some cases work that did not work before.
This commit is contained in:
Tom Lane
1999-06-21 01:20:57 +00:00
parent 974bdd94f9
commit fd8e580bb7
3 changed files with 85 additions and 76 deletions
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5
src/include/optimizer/subselect.h
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@@ -8,10 +8,9 @@
#define SUBSELECT_H
extern int PlannerQueryLevel; /* level of current query */
extern List *PlannerVarParam; /* correlation Vars to Param mapper */
extern List *PlannerParamVar; /* to get Var from Param->paramid */
extern List *PlannerInitPlan; /* init subplans for current query */
extern int PlannerPlanId; /* to assigne unique ID to subquery plans */
extern List *PlannerParamVar; /* to get Var from Param->paramid */
extern int PlannerPlanId; /* to assign unique ID to subquery plans */
extern List *SS_finalize_plan(Plan *plan);
extern Node *SS_replace_correlation_vars(Node *expr);