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/*------------------------------------------------------------------------- * * storage.h * prototypes for functions in backend/catalog/storage.c * * * Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * * src/include/catalog/storage.h * *------------------------------------------------------------------------- */ #ifndef STORAGE_H #define STORAGE_H #include "storage/block.h" #include "storage/relfilenode.h" #include "storage/smgr.h" #include "utils/relcache.h" /* GUC variables */ extern int wal_skip_threshold; extern SMgrRelation RelationCreateStorage(RelFileNode rnode, char relpersistence); extern void RelationDropStorage(Relation rel); extern void RelationPreserveStorage(RelFileNode rnode, bool atCommit); extern void RelationPreTruncate(Relation rel); extern void RelationTruncate(Relation rel, BlockNumber nblocks); extern void RelationCopyStorage(SMgrRelation src, SMgrRelation dst, ForkNumber forkNum, char relpersistence); extern bool RelFileNodeSkippingWAL(RelFileNode rnode); extern Size EstimatePendingSyncsSpace(void); extern void SerializePendingSyncs(Size maxSize, char *startAddress); extern void RestorePendingSyncs(char *startAddress); /* * These functions used to be in storage/smgr/smgr.c, which explains the * naming */ extern void smgrDoPendingDeletes(bool isCommit); extern void smgrDoPendingSyncs(bool isCommit, bool isParallelWorker); extern int smgrGetPendingDeletes(bool forCommit, RelFileNode **ptr); extern void AtSubCommit_smgr(void); extern void AtSubAbort_smgr(void); extern void PostPrepare_smgr(void); #endif /* STORAGE_H */