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/*------------------------------------------------------------------------- * * plancat.h * prototypes for plancat.c. * * * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/optimizer/plancat.h * *------------------------------------------------------------------------- */ #ifndef PLANCAT_H #define PLANCAT_H #include "nodes/relation.h" #include "utils/relcache.h" /* Hook for plugins to get control in get_relation_info() */ typedef void (*get_relation_info_hook_type) (PlannerInfo *root, Oid relationObjectId, bool inhparent, RelOptInfo *rel); extern PGDLLIMPORT get_relation_info_hook_type get_relation_info_hook; extern void get_relation_info(PlannerInfo *root, Oid relationObjectId, bool inhparent, RelOptInfo *rel); extern List *infer_arbiter_indexes(PlannerInfo *root); extern void estimate_rel_size(Relation rel, int32 *attr_widths, BlockNumber *pages, double *tuples, double *allvisfrac); extern int32 get_relation_data_width(Oid relid, int32 *attr_widths); extern bool relation_excluded_by_constraints(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte); extern List *build_physical_tlist(PlannerInfo *root, RelOptInfo *rel); extern bool has_unique_index(RelOptInfo *rel, AttrNumber attno); extern Selectivity restriction_selectivity(PlannerInfo *root, Oid operatorid, List *args, Oid inputcollid, int varRelid); extern Selectivity join_selectivity(PlannerInfo *root, Oid operatorid, List *args, Oid inputcollid, JoinType jointype, SpecialJoinInfo *sjinfo); extern bool has_row_triggers(PlannerInfo *root, Index rti, CmdType event); #endif /* PLANCAT_H */