44 lines
1.6 KiB
C
44 lines
1.6 KiB
C
/*-------------------------------------------------------------------------
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*
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* subselect.h
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* Planning routines for subselects.
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*
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* Portions Copyright (c) 1996-2024, 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/pathnodes.h"
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#include "nodes/plannodes.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_identify_outer_params(PlannerInfo *root);
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extern void SS_charge_for_initplans(PlannerInfo *root, RelOptInfo *final_rel);
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extern void SS_compute_initplan_cost(List *init_plans,
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Cost *initplan_cost_p,
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bool *unsafe_initplans_p);
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extern void SS_attach_initplans(PlannerInfo *root, Plan *plan);
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extern void SS_finalize_plan(PlannerInfo *root, Plan *plan);
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extern Param *SS_make_initplan_output_param(PlannerInfo *root,
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Oid resulttype, int32 resulttypmod,
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Oid resultcollation);
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extern void SS_make_initplan_from_plan(PlannerInfo *root,
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PlannerInfo *subroot, Plan *plan,
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Param *prm);
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#endif /* SUBSELECT_H */
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