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Integrate autovacuum functionality into the backend. There's still a

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few loose ends to be dealt with, but it seems to work.  Alvaro Herrera,
based on the contrib code by Matthew O'Connor.
This commit is contained in:
Tom Lane
2005-07-14 05:13:45 +00:00
parent f2bf2d2dc5
commit 29094193f5
25 changed files with 1678 additions and 90 deletions
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16
src/backend/utils/init/postinit.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.152 2005/07/04 04:51:50 tgl Exp $
* $PostgreSQL: pgsql/src/backend/utils/init/postinit.c,v 1.153 2005/07/14 05:13:41 tgl Exp $
*
*
*-------------------------------------------------------------------------
@ -29,6 +29,7 @@
#include "libpq/hba.h"
#include "mb/pg_wchar.h"
#include "miscadmin.h"
#include "postmaster/autovacuum.h"
#include "postmaster/postmaster.h"
#include "storage/backendid.h"
#include "storage/fd.h"
@ -268,7 +269,8 @@ BaseInit(void)
* InitPostgres
* Initialize POSTGRES.
*
* In bootstrap mode neither of the parameters are used.
* In bootstrap mode neither of the parameters are used. In autovacuum
* mode, the username parameter is not used.
*
* The return value indicates whether the userID is a superuser. (That
* can only be tested inside a transaction, so we want to do it during
@ -282,6 +284,7 @@ bool
InitPostgres(const char *dbname, const char *username)
{
bool bootstrap = IsBootstrapProcessingMode();
bool autovacuum = IsAutoVacuumProcess();
bool am_superuser;
/*
@ -402,10 +405,11 @@ InitPostgres(const char *dbname, const char *username)
RelationCacheInitializePhase2();
/*
* Figure out our postgres user id. In standalone mode we use a fixed
* id, otherwise we figure it out from the authenticated user name.
* Figure out our postgres user id. In standalone mode and in the
* autovacuum process, we use a fixed id, otherwise we figure it out from
* the authenticated user name.
*/
if (bootstrap)
if (bootstrap || autovacuum)
InitializeSessionUserIdStandalone();
else if (!IsUnderPostmaster)
{
@ -441,7 +445,7 @@ InitPostgres(const char *dbname, const char *username)
/*
* Check if user is a superuser.
*/
if (bootstrap)
if (bootstrap || autovacuum)
am_superuser = true;
else
am_superuser = superuser();