partition.h

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/*-------------------------------------------------------------------------
 *
 * partition.h
 *      Header file for structures and utility functions related to
 *      partitioning
 *
 * Copyright (c) 2007-2024, PostgreSQL Global Development Group
 *
 * src/include/catalog/partition.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef PARTITION_H
#define PARTITION_H
 
#include "partitioning/partdefs.h"
#include "utils/relcache.h"
 
/* Seed for the extended hash function */
#define HASH_PARTITION_SEED UINT64CONST(0x7A5B22367996DCFD)
 
extern Oid  get_partition_parent(Oid relid, bool even_if_detached);
extern List *get_partition_ancestors(Oid relid);
extern Oid  index_get_partition(Relation partition, Oid indexId);
extern List *map_partition_varattnos(List *expr, int fromrel_varno,
                                     Relation to_rel, Relation from_rel);
extern bool has_partition_attrs(Relation rel, Bitmapset *attnums,
                                bool *used_in_expr);
 
extern Oid  get_default_partition_oid(Oid parentId);
extern void update_default_partition_oid(Oid parentId, Oid defaultPartId);
extern List *get_proposed_default_constraint(List *new_part_constraints);
 
#endif                          /* PARTITION_H */