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Subselects...

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This commit is contained in:
Vadim B. Mikheev
1998-02-13 03:46:56 +00:00
parent 6fcf2d7cb3
commit 5d7923dd1c
11 changed files with 63 additions and 10 deletions
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20
src/include/optimizer/subselect.h Normal file
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/*-------------------------------------------------------------------------
*
* subselect.h--
*
*-------------------------------------------------------------------------
*/
#ifndef SUBSELECT_H
#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 *SS_finalize_plan (Plan *plan);
extern Node *SS_replace_correlation_vars (Node *expr);
extern Node *SS_process_sublinks (Node *expr);
#endif /* SUBSELECT_H */