Files
openGauss-server/src/include/utils/inval.h
2022-03-04 23:22:16 +08:00

105 lines
3.4 KiB
C

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