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Repair some REINDEX problems per recent discussions. The relcache is

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now able to cope with assigning new relfilenode values to nailed-in-cache
indexes, so they can be reindexed using the fully crash-safe method.  This
leaves only shared system indexes as special cases.  Remove the 'index
deactivation' code, since it provides no useful protection in the shared-
index case.  Require reindexing of shared indexes to be done in standalone
mode, but remove other restrictions on REINDEX.  -P (IgnoreSystemIndexes)
now prevents using indexes for lookups, but does not disable index updates.
It is therefore safe to allow from PGOPTIONS.  Upshot: reindexing system catalogs
can be done without a standalone backend for all cases except
shared catalogs.
This commit is contained in:
Tom Lane
2003-09-24 18:54:02 +00:00
parent 5f78c6a886
commit a56a016ceb
22 changed files with 621 additions and 635 deletions
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13
src/include/miscadmin.h
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@@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.133 2003/08/26 15:38:25 tgl Exp $
* $Id: miscadmin.h,v 1.134 2003/09/24 18:54:01 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to
@@ -296,18 +296,17 @@ extern void InitPostgres(const char *dbname, const char *username);
extern void BaseInit(void);
/* in utils/init/miscinit.c */
extern void IgnoreSystemIndexes(bool mode);
extern bool IsIgnoringSystemIndexes(void);
extern void SetReindexProcessing(Oid heapOid, Oid indexOid);
extern bool ReindexIsProcessingHeap(Oid heapOid);
extern bool ReindexIsProcessingIndex(Oid indexOid);
extern void CreateDataDirLockFile(const char *datadir, bool amPostmaster);
extern void CreateSocketLockFile(const char *socketfile, bool amPostmaster);
extern void TouchSocketLockFile(void);
extern void RecordSharedMemoryInLockFile(unsigned long id1,
unsigned long id2);
extern void ValidatePgVersion(const char *path);
extern void process_preload_libraries(char *preload_libraries_string);
/* these externs do not belong here... */
extern void IgnoreSystemIndexes(bool mode);
extern bool IsIgnoringSystemIndexes(void);
extern bool IsCacheInitialized(void);
#endif /* MISCADMIN_H */