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c219d9b0a5
This reduces unnecessary exposure of other headers through htup.h, which is very widely included by many files. I have chosen to move the function prototypes to the new file as well, because that means htup.h no longer needs to include tupdesc.h. In itself this doesn't have much effect in indirect inclusion of tupdesc.h throughout the tree, because it's also required by execnodes.h; but it's something to explore in the future, and it seemed best to do the htup.h change now while I'm busy with it.
70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/*-------------------------------------------------------------------------
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*
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* inval.h
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* POSTGRES 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 "storage/relfilenode.h"
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#include "utils/relcache.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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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,
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HeapTuple tuple,
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HeapTuple newtuple);
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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 CacheRegisterSyscacheCallback(int cacheid,
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SyscacheCallbackFunction func,
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Datum arg);
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extern void CacheRegisterRelcacheCallback(RelcacheCallbackFunction func,
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Datum arg);
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extern void CallSyscacheCallbacks(int cacheid, uint32 hashvalue);
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extern void inval_twophase_postcommit(TransactionId xid, uint16 info,
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void *recdata, uint32 len);
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#endif /* INVAL_H */
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