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First non-stub implementation of shared free space map. It's not super

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useful as yet, since its primary source of information is (full) VACUUM,
which makes a concerted effort to get rid of free space before telling
the map about it ... next stop is concurrent VACUUM ...
This commit is contained in:
Tom Lane
2001-07-02 20:50:46 +00:00
parent 755e367cb2
commit 42748087c1
6 changed files with 994 additions and 39 deletions
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10
src/backend/commands/dbcommands.c
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@ -9,7 +9,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.75 2001/06/12 05:55:49 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/dbcommands.c,v 1.76 2001/07/02 20:50:46 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -30,7 +30,8 @@
#include "commands/comment.h"
#include "commands/dbcommands.h"
#include "miscadmin.h"
#include "storage/sinval.h" /* for DatabaseHasActiveBackends */
#include "storage/freespace.h"
#include "storage/sinval.h"
#include "utils/builtins.h"
#include "utils/fmgroids.h"
#include "utils/syscache.h"
@ -372,6 +373,11 @@ dropdb(const char *dbname)
*/
DropBuffers(db_id);
/*
* Also, clean out any entries in the shared free space map.
*/
FreeSpaceMapForgetDatabase(db_id);
/*
* Remove the database's subdirectory and everything in it.
*/