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/*-------------------------------------------------------------------------
*
* prep.h
* prototypes for files in optimizer/prep/
*
*
* Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/optimizer/prep.h
*
*-------------------------------------------------------------------------
*/
#ifndef PREP_H
#define PREP_H
#include "nodes/pathnodes.h"
#include "nodes/plannodes.h"
/*
* prototypes for prepjointree.c
*/
extern void transform_MERGE_to_join(Query *parse);
extern void replace_empty_jointree(Query *parse);
extern void pull_up_sublinks(PlannerInfo *root);
extern void preprocess_function_rtes(PlannerInfo *root);
extern void pull_up_subqueries(PlannerInfo *root);
extern void flatten_simple_union_all(PlannerInfo *root);
extern void reduce_outer_joins(PlannerInfo *root);
extern void remove_useless_result_rtes(PlannerInfo *root);
extern Relids get_relids_in_jointree(Node *jtnode, bool include_outer_joins,
bool include_inner_joins);
extern Relids get_relids_for_join(Query *query, int joinrelid);
/*
* prototypes for preptlist.c
*/
extern void preprocess_targetlist(PlannerInfo *root);
extern List *extract_update_targetlist_colnos(List *tlist);
extern PlanRowMark *get_plan_rowmark(List *rowmarks, Index rtindex);
/*
* prototypes for prepagg.c
*/
extern void get_agg_clause_costs(PlannerInfo *root, AggSplit aggsplit,
AggClauseCosts *costs);
extern void preprocess_aggrefs(PlannerInfo *root, Node *clause);
/*
* prototypes for prepunion.c
*/
extern RelOptInfo *plan_set_operations(PlannerInfo *root);
#endif /* PREP_H */
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