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/*-------------------------------------------------------------------------
*
* tidstore.h
* TidStore interface.
*
*
* Portions Copyright (c) 1996-2024, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/access/tidstore.h
*
*-------------------------------------------------------------------------
*/
#ifndef TIDSTORE_H
#define TIDSTORE_H
#include "storage/itemptr.h"
#include "utils/dsa.h"
typedef struct TidStore TidStore;
typedef struct TidStoreIter TidStoreIter;
/* Result struct for TidStoreIterateNext */
typedef struct TidStoreIterResult
{
BlockNumber blkno;
int max_offset;
int num_offsets;
OffsetNumber *offsets;
} TidStoreIterResult;
extern TidStore *TidStoreCreateLocal(size_t max_bytes, bool insert_only);
extern TidStore *TidStoreCreateShared(size_t max_bytes, int tranche_id);
extern TidStore *TidStoreAttach(dsa_handle area_handle, dsa_pointer handle);
extern void TidStoreDetach(TidStore *ts);
extern void TidStoreLockExclusive(TidStore *ts);
extern void TidStoreLockShare(TidStore *ts);
extern void TidStoreUnlock(TidStore *ts);
extern void TidStoreDestroy(TidStore *ts);
extern void TidStoreSetBlockOffsets(TidStore *ts, BlockNumber blkno, OffsetNumber *offsets,
int num_offsets);
extern bool TidStoreIsMember(TidStore *ts, ItemPointer tid);
extern TidStoreIter *TidStoreBeginIterate(TidStore *ts);
extern TidStoreIterResult *TidStoreIterateNext(TidStoreIter *iter);
extern void TidStoreEndIterate(TidStoreIter *iter);
extern size_t TidStoreMemoryUsage(TidStore *ts);
extern dsa_pointer TidStoreGetHandle(TidStore *ts);
extern dsa_area *TidStoreGetDSA(TidStore *ts);
#endif /* TIDSTORE_H */