granicus.if.org Git - postgresql/blob - src/include/utils/inval.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * inval.h
   4  *        POSTGRES cache invalidation dispatcher definitions.
   5  *
   6  *
   7  * Portions Copyright (c) 1996-2019, PostgreSQL Global Development Group
   8  * Portions Copyright (c) 1994, Regents of the University of California
   9  *
  10  * src/include/utils/inval.h
  11  *
  12  *-------------------------------------------------------------------------
  13  */
  14 #ifndef INVAL_H
  15 #define INVAL_H
  16
  17 #include "access/htup.h"
  18 #include "storage/relfilenode.h"
  19 #include "utils/relcache.h"
  20
  21
  22 typedef void (*SyscacheCallbackFunction) (Datum arg, int cacheid, uint32 hashvalue);
  23 typedef void (*RelcacheCallbackFunction) (Datum arg, Oid relid);
  24
  25
  26 extern void AcceptInvalidationMessages(void);
  27
  28 extern void AtEOXact_Inval(bool isCommit);
  29
  30 extern void AtEOSubXact_Inval(bool isCommit);
  31
  32 extern void PostPrepare_Inval(void);
  33
  34 extern void CommandEndInvalidationMessages(void);
  35
  36 extern void CacheInvalidateHeapTuple(Relation relation,
  37                                                                          HeapTuple tuple,
  38                                                                          HeapTuple newtuple);
  39
  40 extern void CacheInvalidateCatalog(Oid catalogId);
  41
  42 extern void CacheInvalidateRelcache(Relation relation);
  43
  44 extern void CacheInvalidateRelcacheAll(void);
  45
  46 extern void CacheInvalidateRelcacheByTuple(HeapTuple classTuple);
  47
  48 extern void CacheInvalidateRelcacheByRelid(Oid relid);
  49
  50 extern void CacheInvalidateSmgr(RelFileNodeBackend rnode);
  51
  52 extern void CacheInvalidateRelmap(Oid databaseId);
  53
  54 extern void CacheRegisterSyscacheCallback(int cacheid,
  55                                                                                   SyscacheCallbackFunction func,
  56                                                                                   Datum arg);
  57
  58 extern void CacheRegisterRelcacheCallback(RelcacheCallbackFunction func,
  59                                                                                   Datum arg);
  60
  61 extern void CallSyscacheCallbacks(int cacheid, uint32 hashvalue);
  62
  63 extern void InvalidateSystemCaches(void);
  64 #endif                                                  /* INVAL_H */