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/*-------------------------------------------------------------------------
*
* indexing.h
* This file provides some definitions to support indexing
* on system catalogs
*
*
* Portions Copyright (c) 1996-2021, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/catalog/indexing.h
*
*-------------------------------------------------------------------------
*/
#ifndef INDEXING_H
#define INDEXING_H
#include "access/htup.h"
#include "nodes/execnodes.h"
#include "utils/relcache.h"
/*
* The state object used by CatalogOpenIndexes and friends is actually the
* same as the executor's ResultRelInfo, but we give it another type name
* to decouple callers from that fact.
*/
typedef struct ResultRelInfo *CatalogIndexState;
/*
* Cap the maximum amount of bytes allocated for multi-inserts with system
* catalogs, limiting the number of slots used.
*/
#define MAX_CATALOG_MULTI_INSERT_BYTES 65535
/*
* indexing.c prototypes
*/
extern CatalogIndexState CatalogOpenIndexes(Relation heapRel);
extern void CatalogCloseIndexes(CatalogIndexState indstate);
extern void CatalogTupleInsert(Relation heapRel, HeapTuple tup);
extern void CatalogTupleInsertWithInfo(Relation heapRel, HeapTuple tup,
CatalogIndexState indstate);
extern void CatalogTuplesMultiInsertWithInfo(Relation heapRel,
TupleTableSlot **slot,
int ntuples,
CatalogIndexState indstate);
extern void CatalogTupleUpdate(Relation heapRel, ItemPointer otid,
HeapTuple tup);
extern void CatalogTupleUpdateWithInfo(Relation heapRel,
ItemPointer otid, HeapTuple tup,
CatalogIndexState indstate);
extern void CatalogTupleDelete(Relation heapRel, ItemPointer tid);
#endif /* INDEXING_H */
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