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38 lines
1.4 KiB
C
38 lines
1.4 KiB
C
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/*-------------------------------------------------------------------------
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*
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* subselect.h
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*
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* Portions Copyright (c) 1996-2011, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/optimizer/subselect.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef SUBSELECT_H
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#define SUBSELECT_H
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#include "nodes/plannodes.h"
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#include "nodes/relation.h"
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extern void SS_process_ctes(PlannerInfo *root);
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extern JoinExpr *convert_ANY_sublink_to_join(PlannerInfo *root,
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SubLink *sublink,
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Relids available_rels);
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extern JoinExpr *convert_EXISTS_sublink_to_join(PlannerInfo *root,
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SubLink *sublink,
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bool under_not,
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Relids available_rels);
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extern Node *SS_replace_correlation_vars(PlannerInfo *root, Node *expr);
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extern Node *SS_process_sublinks(PlannerInfo *root, Node *expr, bool isQual);
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extern void SS_finalize_plan(PlannerInfo *root, Plan *plan,
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bool attach_initplans);
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extern Param *SS_make_initplan_from_plan(PlannerInfo *root, Plan *plan,
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Oid resulttype, int32 resulttypmod, Oid resultcollation);
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extern Param *assign_nestloop_param_var(PlannerInfo *root, Var *var);
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extern Param *assign_nestloop_param_placeholdervar(PlannerInfo *root,
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PlaceHolderVar *phv);
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extern int SS_assign_special_param(PlannerInfo *root);
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#endif /* SUBSELECT_H */
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