diff options
Diffstat (limited to 'src/backend')
-rw-r--r-- | src/backend/access/transam/xact.c | 80 | ||||
-rw-r--r-- | src/backend/bootstrap/bootparse.y | 6 | ||||
-rw-r--r-- | src/backend/bootstrap/bootstrap.c | 6 | ||||
-rw-r--r-- | src/backend/catalog/namespace.c | 6 | ||||
-rw-r--r-- | src/backend/commands/async.c | 10 | ||||
-rw-r--r-- | src/backend/commands/cluster.c | 10 | ||||
-rw-r--r-- | src/backend/commands/indexcmds.c | 11 | ||||
-rw-r--r-- | src/backend/commands/vacuum.c | 26 | ||||
-rw-r--r-- | src/backend/tcop/postgres.c | 47 | ||||
-rw-r--r-- | src/backend/utils/init/postinit.c | 6 | ||||
-rw-r--r-- | src/backend/utils/misc/guc.c | 25 | ||||
-rw-r--r-- | src/backend/utils/misc/postgresql.conf.sample | 1 |
12 files changed, 90 insertions, 144 deletions
diff --git a/src/backend/access/transam/xact.c b/src/backend/access/transam/xact.c index 59b43656d5f..455d637762e 100644 --- a/src/backend/access/transam/xact.c +++ b/src/backend/access/transam/xact.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.147 2003/05/02 20:54:33 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/access/transam/xact.c,v 1.148 2003/05/14 03:26:00 tgl Exp $ * * NOTES * Transaction aborts can now occur two ways: @@ -212,15 +212,11 @@ int XactIsoLevel; bool DefaultXactReadOnly = false; bool XactReadOnly; -bool autocommit = true; - int CommitDelay = 0; /* precommit delay in microseconds */ int CommitSiblings = 5; /* number of concurrent xacts needed to * sleep */ -static bool suppressChain = false; - static void (*_RollbackFunc) (void *) = NULL; static void *_RollbackData = NULL; @@ -1125,23 +1121,12 @@ CleanupTransaction(void) /* * StartTransactionCommand - * - * preventChain, if true, forces autocommit behavior at the next - * CommitTransactionCommand call. */ void -StartTransactionCommand(bool preventChain) +StartTransactionCommand(void) { TransactionState s = CurrentTransactionState; - /* - * Remember if caller wants to prevent autocommit-off chaining. This - * is only allowed if not already in a transaction block. - */ - suppressChain = preventChain; - if (preventChain && s->blockState != TBLOCK_DEFAULT) - elog(ERROR, "StartTransactionCommand: can't prevent chain"); - switch (s->blockState) { /* @@ -1217,44 +1202,20 @@ StartTransactionCommand(bool preventChain) /* * CommitTransactionCommand - * - * forceCommit = true forces autocommit behavior even when autocommit is off. */ void -CommitTransactionCommand(bool forceCommit) +CommitTransactionCommand(void) { TransactionState s = CurrentTransactionState; switch (s->blockState) { /* - * If we aren't in a transaction block, and we are doing - * autocommit, just do our usual transaction commit. But if - * we aren't doing autocommit, start a transaction block - * automatically by switching to INPROGRESS state. (We handle - * this choice here, and not earlier, so that an explicit - * BEGIN issued in autocommit-off mode won't issue strange - * warnings.) - * - * Autocommit mode is forced by either a true forceCommit - * parameter to me, or a true preventChain parameter to the - * preceding StartTransactionCommand call, or a - * PreventTransactionChain call during the transaction. - * (The parameters could be omitted, but it turns out most - * callers of StartTransactionCommand/CommitTransactionCommand - * want to force autocommit, so making them all call - * PreventTransactionChain would just be extra notation.) + * If we aren't in a transaction block, just do our usual + * transaction commit. */ case TBLOCK_DEFAULT: - if (autocommit || forceCommit || suppressChain) - CommitTransaction(); - else - { - BeginTransactionBlock(); - Assert(s->blockState == TBLOCK_INPROGRESS); - /* This code must match the TBLOCK_INPROGRESS case below: */ - CommandCounterIncrement(); - } + CommitTransaction(); break; /* @@ -1323,10 +1284,7 @@ AbortCurrentTransaction(void) */ case TBLOCK_DEFAULT: AbortTransaction(); - if (autocommit || suppressChain) - CleanupTransaction(); - else - s->blockState = TBLOCK_ABORT; + CleanupTransaction(); break; /* @@ -1396,9 +1354,7 @@ AbortCurrentTransaction(void) * If we have already started a transaction block, issue an error; also issue * an error if we appear to be running inside a user-defined function (which * could issue more commands and possibly cause a failure after the statement - * completes). In autocommit-off mode, we allow the statement if a block is - * not already started, and force the statement to be autocommitted despite - * the mode. + * completes). * * stmtNode: pointer to parameter block for statement; this is used in * a very klugy way to determine whether we are inside a function. @@ -1428,14 +1384,7 @@ PreventTransactionChain(void *stmtNode, const char *stmtType) /* If we got past IsTransactionBlock test, should be in default state */ if (CurrentTransactionState->blockState != TBLOCK_DEFAULT) elog(ERROR, "PreventTransactionChain: can't prevent chain"); - /* okay to set the flag */ - suppressChain = true; - /* If we're in autocommit-off node, generate a notice */ - if (!autocommit) - { - /* translator: %s represents an SQL statement name */ - elog(NOTICE, "%s will be committed automatically", stmtType); - } + /* all okay */ } /* @@ -1470,12 +1419,6 @@ RequireTransactionChain(void *stmtNode, const char *stmtType) */ if (!MemoryContextContains(QueryContext, stmtNode)) return; - /* - * If we are in autocommit-off mode then it's okay, because this - * statement will itself start a transaction block. - */ - if (!autocommit && !suppressChain) - return; /* translator: %s represents an SQL statement name */ elog(ERROR, "%s may only be used in begin/end transaction blocks", stmtType); @@ -1507,10 +1450,7 @@ BeginTransactionBlock(void) s->blockState = TBLOCK_BEGIN; /* - * do begin processing. NOTE: if you put anything here, check that it - * behaves properly in both autocommit-on and autocommit-off modes. In - * the latter case we will already have done some work in the new - * transaction. + * do begin processing here. Nothing to do at present. */ /* diff --git a/src/backend/bootstrap/bootparse.y b/src/backend/bootstrap/bootparse.y index 1d64ca285cf..100972b3fc1 100644 --- a/src/backend/bootstrap/bootparse.y +++ b/src/backend/bootstrap/bootparse.y @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/bootstrap/bootparse.y,v 1.55 2002/11/11 22:19:21 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/bootstrap/bootparse.y,v 1.56 2003/05/14 03:26:00 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -55,7 +55,7 @@ static void do_start() { - StartTransactionCommand(true); + StartTransactionCommand(); elog(DEBUG3, "start transaction"); } @@ -63,7 +63,7 @@ do_start() static void do_end() { - CommitTransactionCommand(true); + CommitTransactionCommand(); elog(DEBUG3, "commit transaction"); if (isatty(0)) { diff --git a/src/backend/bootstrap/bootstrap.c b/src/backend/bootstrap/bootstrap.c index 54b541a0d6c..78383342d00 100644 --- a/src/backend/bootstrap/bootstrap.c +++ b/src/backend/bootstrap/bootstrap.c @@ -8,7 +8,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.156 2003/05/08 14:49:03 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/bootstrap/bootstrap.c,v 1.157 2003/05/14 03:26:00 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -479,7 +479,7 @@ BootstrapMain(int argc, char *argv[]) SetProcessingMode(BootstrapProcessing); /* clean up processing */ - StartTransactionCommand(true); + StartTransactionCommand(); cleanup(); /* not reached, here to make compiler happy */ @@ -851,7 +851,7 @@ cleanup() } if (boot_reldesc != NULL) closerel(NULL); - CommitTransactionCommand(true); + CommitTransactionCommand(); proc_exit(Warnings); } diff --git a/src/backend/catalog/namespace.c b/src/backend/catalog/namespace.c index 842a36c57bf..b19fdca0691 100644 --- a/src/backend/catalog/namespace.c +++ b/src/backend/catalog/namespace.c @@ -13,7 +13,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.50 2003/04/24 21:16:42 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/catalog/namespace.c,v 1.51 2003/05/14 03:26:01 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1711,11 +1711,11 @@ RemoveTempRelationsCallback(void) { /* Need to ensure we have a usable transaction. */ AbortOutOfAnyTransaction(); - StartTransactionCommand(true); + StartTransactionCommand(); RemoveTempRelations(myTempNamespace); - CommitTransactionCommand(true); + CommitTransactionCommand(); } } diff --git a/src/backend/commands/async.c b/src/backend/commands/async.c index 1d9fbf65809..6b7ed481bec 100644 --- a/src/backend/commands/async.c +++ b/src/backend/commands/async.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1994, Regents of the University of California * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.93 2003/04/22 00:08:06 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/async.c,v 1.94 2003/05/14 03:26:01 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -399,9 +399,9 @@ Async_UnlistenOnExit(void) */ AbortOutOfAnyTransaction(); /* Now we can do the unlisten */ - StartTransactionCommand(true); + StartTransactionCommand(); Async_UnlistenAll(); - CommitTransactionCommand(true); + CommitTransactionCommand(); } /* @@ -769,7 +769,7 @@ ProcessIncomingNotify(void) notifyInterruptOccurred = 0; - StartTransactionCommand(true); + StartTransactionCommand(); lRel = heap_openr(ListenerRelationName, AccessExclusiveLock); tdesc = RelationGetDescr(lRel); @@ -823,7 +823,7 @@ ProcessIncomingNotify(void) */ heap_close(lRel, NoLock); - CommitTransactionCommand(true); + CommitTransactionCommand(); /* * Must flush the notify messages to ensure frontend gets them diff --git a/src/backend/commands/cluster.c b/src/backend/commands/cluster.c index 6c01094c5a9..09ef0ac598e 100644 --- a/src/backend/commands/cluster.c +++ b/src/backend/commands/cluster.c @@ -11,7 +11,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.108 2003/05/02 20:54:33 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/cluster.c,v 1.109 2003/05/14 03:26:01 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -205,7 +205,7 @@ cluster(ClusterStmt *stmt) rvs = get_tables_to_cluster(cluster_context); /* Commit to get out of starting transaction */ - CommitTransactionCommand(true); + CommitTransactionCommand(); /* Ok, now that we've got them all, cluster them one by one */ foreach (rv, rvs) @@ -213,14 +213,14 @@ cluster(ClusterStmt *stmt) RelToCluster *rvtc = (RelToCluster *) lfirst(rv); /* Start a new transaction for each relation. */ - StartTransactionCommand(true); + StartTransactionCommand(); SetQuerySnapshot(); /* might be needed for functional index */ cluster_rel(rvtc, true); - CommitTransactionCommand(true); + CommitTransactionCommand(); } /* Start a new transaction for the cleanup work. */ - StartTransactionCommand(true); + StartTransactionCommand(); /* Clean up working storage */ MemoryContextDelete(cluster_context); diff --git a/src/backend/commands/indexcmds.c b/src/backend/commands/indexcmds.c index 5232faadc5c..6a371587368 100644 --- a/src/backend/commands/indexcmds.c +++ b/src/backend/commands/indexcmds.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/indexcmds.c,v 1.98 2003/05/02 20:54:33 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/indexcmds.c,v 1.99 2003/05/14 03:26:01 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -769,17 +769,16 @@ ReindexDatabase(const char *dbname, bool force, bool all) heap_close(relationRelation, AccessShareLock); /* Now reindex each rel in a separate transaction */ - CommitTransactionCommand(true); + CommitTransactionCommand(); for (i = 0; i < relcnt; i++) { - StartTransactionCommand(true); + StartTransactionCommand(); SetQuerySnapshot(); /* might be needed for functional index */ if (reindex_relation(relids[i], force)) elog(NOTICE, "relation %u was reindexed", relids[i]); - CommitTransactionCommand(true); + CommitTransactionCommand(); } - /* Tell xact.c not to chain the upcoming commit */ - StartTransactionCommand(true); + StartTransactionCommand(); MemoryContextDelete(private_context); } diff --git a/src/backend/commands/vacuum.c b/src/backend/commands/vacuum.c index 9667eabb8bf..19f4010c1a1 100644 --- a/src/backend/commands/vacuum.c +++ b/src/backend/commands/vacuum.c @@ -13,7 +13,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.252 2003/05/02 20:54:33 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.253 2003/05/14 03:26:01 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -275,7 +275,7 @@ vacuum(VacuumStmt *vacstmt) } /* matches the StartTransaction in PostgresMain() */ - CommitTransactionCommand(true); + CommitTransactionCommand(); } /* @@ -303,7 +303,7 @@ vacuum(VacuumStmt *vacstmt) */ if (vacstmt->vacuum) { - StartTransactionCommand(true); + StartTransactionCommand(); SetQuerySnapshot(); /* might be needed for functional index */ } else @@ -312,7 +312,7 @@ vacuum(VacuumStmt *vacstmt) analyze_rel(relid, vacstmt); if (vacstmt->vacuum) - CommitTransactionCommand(true); + CommitTransactionCommand(); else { MemoryContextSwitchTo(old_context); @@ -330,11 +330,9 @@ vacuum(VacuumStmt *vacstmt) /* * This matches the CommitTransaction waiting for us in - * PostgresMain(). We tell xact.c not to chain the upcoming - * commit, so that a VACUUM doesn't start a transaction block, - * even when autocommit is off. + * PostgresMain(). */ - StartTransactionCommand(true); + StartTransactionCommand(); /* * If it was a database-wide VACUUM, print FSM usage statistics @@ -729,7 +727,7 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind) bool result; /* Begin a transaction for vacuuming this relation */ - StartTransactionCommand(true); + StartTransactionCommand(); SetQuerySnapshot(); /* might be needed for functional index */ /* @@ -746,7 +744,7 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind) ObjectIdGetDatum(relid), 0, 0, 0)) { - CommitTransactionCommand(true); + CommitTransactionCommand(); return true; /* okay 'cause no data there */ } @@ -778,7 +776,7 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind) elog(WARNING, "Skipping \"%s\" --- only table or database owner can VACUUM it", RelationGetRelationName(onerel)); relation_close(onerel, lmode); - CommitTransactionCommand(true); + CommitTransactionCommand(); return false; } @@ -791,7 +789,7 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind) elog(WARNING, "Skipping \"%s\" --- can not process indexes, views or special system tables", RelationGetRelationName(onerel)); relation_close(onerel, lmode); - CommitTransactionCommand(true); + CommitTransactionCommand(); return false; } @@ -805,7 +803,7 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind) if (isOtherTempNamespace(RelationGetNamespace(onerel))) { relation_close(onerel, lmode); - CommitTransactionCommand(true); + CommitTransactionCommand(); return true; /* assume no long-lived data in temp tables */ } @@ -843,7 +841,7 @@ vacuum_rel(Oid relid, VacuumStmt *vacstmt, char expected_relkind) /* * Complete the transaction and free all temporary memory used. */ - CommitTransactionCommand(true); + CommitTransactionCommand(); /* * If the relation has a secondary toast rel, vacuum that too while we diff --git a/src/backend/tcop/postgres.c b/src/backend/tcop/postgres.c index a37ed5a9b69..f30662d1ea7 100644 --- a/src/backend/tcop/postgres.c +++ b/src/backend/tcop/postgres.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.343 2003/05/12 16:48:17 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.344 2003/05/14 03:26:01 tgl Exp $ * * NOTES * this is the "main" module of the postgres backend and @@ -85,8 +85,6 @@ sigjmp_buf Warn_restart; bool Warn_restart_ready = false; bool InError = false; -extern bool autocommit; - /* * Flags for expensive function optimization -- JMH 3/9/92 */ @@ -148,7 +146,7 @@ static int InteractiveBackend(StringInfo inBuf); static int SocketBackend(StringInfo inBuf); static int ReadCommand(StringInfo inBuf); static void start_xact_command(void); -static void finish_xact_command(bool forceCommit); +static void finish_xact_command(void); static void SigHupHandler(SIGNAL_ARGS); static void FloatExceptionHandler(SIGNAL_ARGS); @@ -861,20 +859,15 @@ exec_simple_query(const char *query_string) PortalDrop(portal, false); - - if (IsA(parsetree, TransactionStmt) || - IsA(parsetree, VariableSetStmt) || - IsA(parsetree, VariableShowStmt) || - IsA(parsetree, VariableResetStmt)) + if (IsA(parsetree, TransactionStmt)) { /* - * If this was a transaction control statement or a variable - * set/show/reset statement, commit it. We will start a - * new xact command for the next command (if any). + * If this was a transaction control statement, commit it. + * We will start a new xact command for the next command (if any). */ - finish_xact_command(true); + finish_xact_command(); } - else if (lnext(parsetree_item) == NIL || !autocommit) + else if (lnext(parsetree_item) == NIL) { /* * If this is the last parsetree of the query string, close down @@ -886,7 +879,7 @@ exec_simple_query(const char *query_string) * historical Postgres behavior, we do not force a transaction * boundary between queries appearing in a single query string. */ - finish_xact_command(false); + finish_xact_command(); } else { @@ -908,6 +901,11 @@ exec_simple_query(const char *query_string) } /* end loop over parsetrees */ /* + * Close down transaction statement, if one is open. + */ + finish_xact_command(); + + /* * If there were no parsetrees, return EmptyQueryResponse message. */ if (!parsetree_list) @@ -916,11 +914,6 @@ exec_simple_query(const char *query_string) QueryContext = NULL; /* - * Close down transaction statement, if one is open. - */ - finish_xact_command(false); - - /* * Finish up monitoring. */ if (save_log_duration) @@ -1531,7 +1524,7 @@ exec_execute_message(const char *portal_name, long max_rows) * If this was a transaction control statement, commit it. We will * start a new xact command for the next command (if any). */ - finish_xact_command(true); + finish_xact_command(); } else { @@ -1657,7 +1650,7 @@ start_xact_command(void) if (!xact_started) { elog(DEBUG2, "StartTransactionCommand"); - StartTransactionCommand(false); + StartTransactionCommand(); /* Set statement timeout running, if any */ if (StatementTimeout > 0) @@ -1668,7 +1661,7 @@ start_xact_command(void) } static void -finish_xact_command(bool forceCommit) +finish_xact_command(void) { if (xact_started) { @@ -1681,7 +1674,7 @@ finish_xact_command(bool forceCommit) /* Now commit the command */ elog(DEBUG2, "CommitTransactionCommand"); - CommitTransactionCommand(forceCommit); + CommitTransactionCommand(); #ifdef SHOW_MEMORY_STATS /* Print mem stats at each commit for leak tracking */ @@ -2532,7 +2525,7 @@ PostgresMain(int argc, char *argv[], const char *username) if (!IsUnderPostmaster) { puts("\nPOSTGRES backend interactive interface "); - puts("$Revision: 1.343 $ $Date: 2003/05/12 16:48:17 $\n"); + puts("$Revision: 1.344 $ $Date: 2003/05/14 03:26:01 $\n"); } /* @@ -2810,7 +2803,7 @@ PostgresMain(int argc, char *argv[], const char *username) } /* commit the function-invocation transaction */ - finish_xact_command(false); + finish_xact_command(); send_rfq = true; break; @@ -2894,7 +2887,7 @@ PostgresMain(int argc, char *argv[], const char *username) case 'S': /* sync */ pq_getmsgend(input_message); - finish_xact_command(false); + finish_xact_command(); send_rfq = true; break; diff --git a/src/backend/utils/init/postinit.c b/src/backend/utils/init/postinit.c index 4d76e69ac99..8fda5d185ec 100644 --- a/src/backend/utils/init/postinit.c +++ b/src/backend/utils/init/postinit.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.120 2003/04/25 19:45:08 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/init/postinit.c,v 1.121 2003/05/14 03:26:02 tgl Exp $ * * *------------------------------------------------------------------------- @@ -334,7 +334,7 @@ InitPostgres(const char *dbname, const char *username) /* start a new transaction here before access to db */ if (!bootstrap) - StartTransactionCommand(true); + StartTransactionCommand(); /* * It's now possible to do real access to the system catalogs. @@ -420,7 +420,7 @@ InitPostgres(const char *dbname, const char *username) /* close the transaction we started above */ if (!bootstrap) - CommitTransactionCommand(true); + CommitTransactionCommand(); } /* diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c index a5651ff7f07..7383cd48dff 100644 --- a/src/backend/utils/misc/guc.c +++ b/src/backend/utils/misc/guc.c @@ -10,7 +10,7 @@ * Written by Peter Eisentraut <peter_e@gmx.net>. * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.123 2003/05/06 20:26:27 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/utils/misc/guc.c,v 1.124 2003/05/14 03:26:02 tgl Exp $ * *-------------------------------------------------------------------- */ @@ -69,7 +69,6 @@ extern bool Log_connections; extern int PreAuthDelay; extern int AuthenticationTimeout; extern int CheckPointTimeout; -extern bool autocommit; extern int CommitDelay; extern int CommitSiblings; extern char *preload_libraries_string; @@ -92,6 +91,7 @@ static const char *assign_min_error_statement(const char *newval, bool doit, bool interactive); static const char *assign_msglvl(int *var, const char *newval, bool doit, bool interactive); +static bool assign_phony_autocommit(bool newval, bool doit, bool interactive); /* @@ -134,6 +134,7 @@ int client_min_messages = NOTICE; static char *log_min_error_statement_str; static char *log_min_messages_str; static char *client_min_messages_str; +static bool phony_autocommit; static double phony_random_seed; static char *client_encoding_string; static char *datestyle_string; @@ -526,8 +527,12 @@ static struct config_bool false, NULL, NULL }, { - {"autocommit", PGC_USERSET}, &autocommit, - true, NULL, NULL + /* + * This var doesn't do anything; it's just here so that we won't + * choke on SET AUTOCOMMIT TO ON from 7.3-vintage clients. + */ + {"autocommit", PGC_USERSET, GUC_NO_SHOW_ALL}, &phony_autocommit, + true, assign_phony_autocommit, NULL }, { {"default_transaction_read_only", PGC_USERSET}, &DefaultXactReadOnly, @@ -3429,6 +3434,18 @@ assign_msglvl(int *var, const char *newval, bool doit, bool interactive) return newval; /* OK */ } +static bool +assign_phony_autocommit(bool newval, bool doit, bool interactive) +{ + if (!newval) + { + if (doit && interactive) + elog(ERROR, "SET AUTOCOMMIT TO OFF is no longer supported"); + return false; + } + return true; +} + #include "guc-file.c" diff --git a/src/backend/utils/misc/postgresql.conf.sample b/src/backend/utils/misc/postgresql.conf.sample index 6c5ca36e20b..21a956685b5 100644 --- a/src/backend/utils/misc/postgresql.conf.sample +++ b/src/backend/utils/misc/postgresql.conf.sample @@ -198,7 +198,6 @@ # # Misc # -#autocommit = true #dynamic_library_path = '$libdir' #search_path = '$user,public' # schema names #datestyle = 'iso, us' |