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pgsql/include/server/optimizer/prep.h
58 строк
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AoAnima
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13 июл 2026, 17:47
13 июл 2026, 17:47
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/*------------------------------------------------------------------------- * * prep.h * prototypes for files in optimizer/prep/ * * * Portions Copyright (c) 1996-2025, 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 Query *expand_virtual_generated_columns(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 */