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Remove flatfiles.c, which is now obsolete.
Recent commits have removed the various uses it was supporting. It was a performance bottleneck, according to bug report #4919 by Lauris Ulmanis; seems it slowed down user creation after a billion users.
This commit is contained in:
Alvaro Herrera
@ -8,7 +8,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/access/transam/twophase_rmgr.c,v 1.8 2009/01/01 17:23:36 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/access/transam/twophase_rmgr.c,v 1.9 2009/09/01 02:54:51 alvherre Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -18,7 +18,6 @@
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#include "commands/async.h"
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#include "pgstat.h"
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#include "storage/lock.h"
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#include "utils/flatfiles.h"
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#include "utils/inval.h"
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@ -27,7 +26,6 @@ const TwoPhaseCallback twophase_recover_callbacks[TWOPHASE_RM_MAX_ID + 1] =
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NULL, /* END ID */
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lock_twophase_recover, /* Lock */
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NULL, /* Inval */
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NULL, /* flat file update */
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NULL, /* notify/listen */
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NULL /* pgstat */
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};
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@ -37,7 +35,6 @@ const TwoPhaseCallback twophase_postcommit_callbacks[TWOPHASE_RM_MAX_ID + 1] =
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NULL, /* END ID */
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lock_twophase_postcommit, /* Lock */
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inval_twophase_postcommit, /* Inval */
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flatfile_twophase_postcommit, /* flat file update */
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notify_twophase_postcommit, /* notify/listen */
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pgstat_twophase_postcommit /* pgstat */
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};
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@ -47,7 +44,6 @@ const TwoPhaseCallback twophase_postabort_callbacks[TWOPHASE_RM_MAX_ID + 1] =
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NULL, /* END ID */
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lock_twophase_postabort, /* Lock */
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NULL, /* Inval */
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NULL, /* flat file update */
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NULL, /* notify/listen */
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pgstat_twophase_postabort /* pgstat */
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};
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@ -10,7 +10,7 @@
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*
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*
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* IDENTIFICATION
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* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.274 2009/06/11 14:48:54 momjian Exp $
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* $PostgreSQL: pgsql/src/backend/access/transam/xact.c,v 1.275 2009/09/01 02:54:51 alvherre Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -43,7 +43,6 @@
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#include "storage/sinvaladt.h"
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#include "storage/smgr.h"
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#include "utils/combocid.h"
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#include "utils/flatfiles.h"
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#include "utils/guc.h"
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#include "utils/inval.h"
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#include "utils/memutils.h"
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@ -1608,12 +1607,6 @@ CommitTransaction(void)
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/* NOTIFY commit must come before lower-level cleanup */
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AtCommit_Notify();
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/*
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* Update flat files if we changed pg_database, pg_authid or
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* pg_auth_members. This should be the last step before commit.
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*/
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AtEOXact_UpdateFlatFiles(true);
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/* Prevent cancel/die interrupt while cleaning up */
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HOLD_INTERRUPTS();
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@ -1797,7 +1790,7 @@ PrepareTransaction(void)
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/* close large objects before lower-level cleanup */
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AtEOXact_LargeObject(true);
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/* NOTIFY and flatfiles will be handled below */
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/* NOTIFY will be handled below */
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/*
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* Don't allow PREPARE TRANSACTION if we've accessed a temporary table in
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@ -1860,7 +1853,6 @@ PrepareTransaction(void)
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StartPrepare(gxact);
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AtPrepare_Notify();
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AtPrepare_UpdateFlatFiles();
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AtPrepare_Inval();
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AtPrepare_Locks();
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AtPrepare_PgStat();
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@ -1909,7 +1901,7 @@ PrepareTransaction(void)
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/* Clean up the snapshot manager */
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AtEarlyCommit_Snapshot();
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/* notify and flatfiles don't need a postprepare call */
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/* notify doesn't need a postprepare call */
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PostPrepare_PgStat();
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@ -2036,7 +2028,6 @@ AbortTransaction(void)
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AtAbort_Portals();
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AtEOXact_LargeObject(false); /* 'false' means it's abort */
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AtAbort_Notify();
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AtEOXact_UpdateFlatFiles(false);
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/*
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* Advertise the fact that we aborted in pg_clog (assuming that we got as
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@ -3764,8 +3755,6 @@ CommitSubTransaction(void)
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AtEOSubXact_LargeObject(true, s->subTransactionId,
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s->parent->subTransactionId);
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AtSubCommit_Notify();
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AtEOSubXact_UpdateFlatFiles(true, s->subTransactionId,
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s->parent->subTransactionId);
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CallSubXactCallbacks(SUBXACT_EVENT_COMMIT_SUB, s->subTransactionId,
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s->parent->subTransactionId);
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@ -3885,8 +3874,6 @@ AbortSubTransaction(void)
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AtEOSubXact_LargeObject(false, s->subTransactionId,
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s->parent->subTransactionId);
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AtSubAbort_Notify();
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AtEOSubXact_UpdateFlatFiles(false, s->subTransactionId,
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s->parent->subTransactionId);
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/* Advertise the fact that we aborted in pg_clog. */
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(void) RecordTransactionAbort(true);
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@ -7,7 +7,7 @@
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* Portions Copyright (c) 1996-2009, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.350 2009/08/31 02:23:22 tgl Exp $
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* $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.351 2009/09/01 02:54:51 alvherre Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -49,7 +49,6 @@
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#include "storage/smgr.h"
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#include "storage/spin.h"
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#include "utils/builtins.h"
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#include "utils/flatfiles.h"
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#include "utils/guc.h"
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#include "utils/ps_status.h"
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#include "pg_trace.h"
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@ -8077,8 +8076,6 @@ StartupProcessMain(void)
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StartupXLOG();
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BuildFlatFiles(false);
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/*
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* Exit normally. Exit code 0 tells postmaster that we completed recovery
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* successfully.
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