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Finish up the flat-files project: get rid of GetRawDatabaseInfo() hack

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in favor of looking at the flat file copy of pg_database during backend
startup.  This should finally eliminate the various corner cases in which
backend startup fails unexpectedly because it isn't able to distinguish
live and dead tuples in pg_database.  Simplify locking on pg_database
to be similar to the rules used with pg_shadow and pg_group, and eliminate
FlushRelationBuffers operations that were used only to reduce the odds
of failure of GetRawDatabaseInfo.
initdb forced due to addition of a trigger to pg_database.
This commit is contained in:
Tom Lane
2005-02-26 18:43:34 +00:00
parent ffef9a9de4
commit 0fc4ecf935
12 changed files with 184 additions and 316 deletions
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5
src/include/miscadmin.h
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@ -13,7 +13,7 @@
* Portions Copyright (c) 1996-2005, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.174 2004/12/31 22:03:19 pgsql Exp $
* $PostgreSQL: pgsql/src/include/miscadmin.h,v 1.175 2005/02/26 18:43:34 tgl Exp $
*
* NOTES
* some of the information in this file should be moved to other files.
@ -225,9 +225,6 @@ extern void check_stack_depth(void);
extern char *DatabasePath;
/* in utils/misc/database.c */
extern void GetRawDatabaseInfo(const char *name, Oid *db_id, Oid *db_tablespace);
/* now in utils/init/miscinit.c */
extern void SetDatabasePath(const char *path);