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-rw-r--r--src/backend/access/transam/xact.c80
-rw-r--r--src/backend/bootstrap/bootparse.y6
-rw-r--r--src/backend/bootstrap/bootstrap.c6
-rw-r--r--src/backend/catalog/namespace.c6
-rw-r--r--src/backend/commands/async.c10
-rw-r--r--src/backend/commands/cluster.c10
-rw-r--r--src/backend/commands/indexcmds.c11
-rw-r--r--src/backend/commands/vacuum.c26
-rw-r--r--src/backend/tcop/postgres.c47
-rw-r--r--src/backend/utils/init/postinit.c6
-rw-r--r--src/backend/utils/misc/guc.c25
-rw-r--r--src/backend/utils/misc/postgresql.conf.sample1
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'