105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/* -------------------------------------------------------------------------
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*
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* inval.h
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* openGauss cache invalidation dispatcher definitions.
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*
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*
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* Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* src/include/utils/inval.h
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*
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* -------------------------------------------------------------------------
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*/
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#ifndef INVAL_H
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#define INVAL_H
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#include "access/htup.h"
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#include "utils/relcache.h"
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#include "utils/partcache.h"
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typedef void (*SyscacheCallbackFunction)(Datum arg, int cacheid, uint32 hashvalue);
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typedef void (*RelcacheCallbackFunction)(Datum arg, Oid relid);
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typedef void (*PartcacheCallbackFunction)(Datum arg, Oid partid);
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/*
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* Dynamically-registered callback functions. Current implementation
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* assumes there won't be very many of these at once; could improve if needed.
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*/
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#define MAX_SYSCACHE_CALLBACKS 30
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#define MAX_RELCACHE_CALLBACKS 5
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#define MAX_PARTCACHE_CALLBACKS 5
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typedef struct SYSCACHECALLBACK {
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int16 id; /* cache number */
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SyscacheCallbackFunction function;
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Datum arg;
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} SYSCACHECALLBACK;
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typedef struct RELCACHECALLBACK {
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RelcacheCallbackFunction function;
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Datum arg;
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} RELCACHECALLBACK;
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typedef struct PARTCACHECALLBACK {
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PartcacheCallbackFunction function;
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Datum arg;
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} PARTCACHECALLBACK;
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extern void AcceptInvalidationMessages(void);
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extern void AtStart_Inval(void);
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extern void AtSubStart_Inval(void);
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extern void AtEOXact_Inval(bool isCommit);
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extern void AtEOSubXact_Inval(bool isCommit);
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extern void AtPrepare_Inval(void);
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extern void PostPrepare_Inval(void);
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extern void CommandEndInvalidationMessages(void);
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extern void CacheInvalidateHeapTuple(Relation relation, HeapTuple tuple, HeapTuple newtuple);
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extern void CacheInvalidateFunction(Oid funcOid, Oid pkgId);
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extern void CacheInvalidateCatalog(Oid catalogId);
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extern void CacheInvalidateRelcache(Relation relation);
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extern void CacheInvalidateRelcacheByTuple(HeapTuple classTuple);
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extern void CacheInvalidateRelcacheByRelid(Oid relid);
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extern void CacheInvalidateSmgr(RelFileNodeBackend rnode);
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extern void CacheInvalidateRelmap(Oid databaseId);
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extern void CacheInvalidateHeapTupleInplace(Relation relation, HeapTuple tuple);
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extern void inval_twophase_postcommit(TransactionId xid, uint16 info, void* recdata, uint32 len);
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extern void CacheInvalidatePartcache(Partition partition);
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extern void CacheInvalidatePartcacheByTuple(HeapTuple partitionTuple);
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extern void CacheInvalidatePartcacheByPartid(Oid partid);
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extern void InvalidateSystemCaches(void);
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extern void CacheRegisterThreadSyscacheCallback(int cacheid, SyscacheCallbackFunction func, Datum arg);
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extern void CacheRegisterThreadRelcacheCallback(RelcacheCallbackFunction func, Datum arg);
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extern void CacheRegisterThreadPartcacheCallback(PartcacheCallbackFunction func, Datum arg);
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extern void CacheRegisterSessionSyscacheCallback(int cacheid, SyscacheCallbackFunction func, Datum arg);
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extern void CacheRegisterSessionRelcacheCallback(RelcacheCallbackFunction func, Datum arg);
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extern void CacheRegisterSessionPartcacheCallback(PartcacheCallbackFunction func, Datum arg);
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extern void CallThreadSyscacheCallbacks(int cacheid, uint32 hashvalue);
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extern void CallSessionSyscacheCallbacks(int cacheid, uint32 hashvalue);
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extern void InvalidateSessionSystemCaches(void);
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extern void InvalidateThreadSystemCaches(void);
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extern void CacheInvalidateRelcacheAll(void);
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#endif /* INVAL_H */
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