partdesc.h

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/*-------------------------------------------------------------------------
 *
 * partdesc.h
 *
 * Copyright (c) 1996-2019, PostgreSQL Global Development Group
 *
 * src/include/utils/partdesc.h
 *
 *-------------------------------------------------------------------------
 */

#ifndef PARTDESC_H
#define PARTDESC_H

#include "partitioning/partdefs.h"
#include "utils/relcache.h"

/*
 * Information about partitions of a partitioned table.
 */
typedef struct PartitionDescData
{
    int         nparts;         /* Number of partitions */
    Oid        *oids;           /* Array of 'nparts' elements containing
                                 * partition OIDs in order of the their bounds */
    bool       *is_leaf;        /* Array of 'nparts' elements storing whether
                                 * the corresponding 'oids' element belongs to
                                 * a leaf partition or not */
    PartitionBoundInfo boundinfo;   /* collection of partition bounds */
} PartitionDescData;

extern void RelationBuildPartitionDesc(Relation rel);

extern PartitionDirectory CreatePartitionDirectory(MemoryContext mcxt);
extern PartitionDesc PartitionDirectoryLookup(PartitionDirectory, Relation);
extern void DestroyPartitionDirectory(PartitionDirectory pdir);

extern Oid  get_default_oid_from_partdesc(PartitionDesc partdesc);

extern bool equalPartitionDescs(PartitionKey key, PartitionDesc partdesc1,
                                PartitionDesc partdesc2);

#endif                          /* PARTCACHE_H */