59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/*-------------------------------------------------------------------------
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*
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* prep.h
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* prototypes for files in optimizer/prep/
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*
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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/prep.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PREP_H
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#define PREP_H
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#include "nodes/pathnodes.h"
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#include "nodes/plannodes.h"
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/*
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* prototypes for prepjointree.c
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*/
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extern void transform_MERGE_to_join(Query *parse);
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extern void replace_empty_jointree(Query *parse);
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extern void pull_up_sublinks(PlannerInfo *root);
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extern void preprocess_function_rtes(PlannerInfo *root);
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extern void pull_up_subqueries(PlannerInfo *root);
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extern void flatten_simple_union_all(PlannerInfo *root);
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extern void reduce_outer_joins(PlannerInfo *root);
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extern void remove_useless_result_rtes(PlannerInfo *root);
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extern Relids get_relids_in_jointree(Node *jtnode, bool include_outer_joins,
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bool include_inner_joins);
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extern Relids get_relids_for_join(Query *query, int joinrelid);
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/*
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* prototypes for preptlist.c
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*/
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extern void preprocess_targetlist(PlannerInfo *root);
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extern List *extract_update_targetlist_colnos(List *tlist);
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extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
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/*
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* prototypes for prepagg.c
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*/
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extern void get_agg_clause_costs(PlannerInfo *root, AggSplit aggsplit,
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AggClauseCosts *costs);
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extern void preprocess_aggrefs(PlannerInfo *root, Node *clause);
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/*
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* prototypes for prepunion.c
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*/
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extern RelOptInfo *plan_set_operations(PlannerInfo *root);
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extern bool set_operation_ordered_results_useful(SetOperationStmt *setop);
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#endif /* PREP_H */
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