iliaa Mon, 26 Oct 2009 02:02:28 +0000
Revision: http://svn.php.net/viewvc?view=revision&revision=289924
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Log:
- Fixed bug #49985 (pdo_pgsql prepare() re-use previous aborted transaction).
Bug: http://bugs.php.net/49985 (Open) pdo_pgsql prepare() re-use previous
aborted transaction
Changed paths:
U php/php-src/branches/PHP_5_2/NEWS
U php/php-src/branches/PHP_5_2/ext/pdo_pgsql/pgsql_statement.c
U php/php-src/branches/PHP_5_3/NEWS
U php/php-src/branches/PHP_5_3/ext/pdo_pgsql/pgsql_statement.c
U php/php-src/trunk/ext/pdo_pgsql/pgsql_statement.c
Modified: php/php-src/branches/PHP_5_2/NEWS
===================================================================
--- php/php-src/branches/PHP_5_2/NEWS 2009-10-25 20:47:27 UTC (rev 289923)
+++ php/php-src/branches/PHP_5_2/NEWS 2009-10-26 02:02:28 UTC (rev 289924)
@@ -14,6 +14,8 @@
- Fixed bug #49990 (SNMP3 warning message about security level printed twice).
(Jani)
+- Fixed bug #49985 (pdo_pgsql prepare() re-use previous aborted
+ transaction). (ben dot pineau at gmail dot com, Ilia)
- Fixed bug #49972 (AppendIterator undefined function crash). (Johannes)
- Fixed bug #49855 (import_request_variables() always returns NULL). (Ilia,
sjoerd at php dot net)
Modified: php/php-src/branches/PHP_5_2/ext/pdo_pgsql/pgsql_statement.c
===================================================================
--- php/php-src/branches/PHP_5_2/ext/pdo_pgsql/pgsql_statement.c 2009-10-25 20:47:27 UTC (rev 289923)
+++ php/php-src/branches/PHP_5_2/ext/pdo_pgsql/pgsql_statement.c 2009-10-26 02:02:28 UTC (rev 289924)
@@ -134,6 +134,14 @@
/* using a prepared statement */
if (!S->is_prepared) {
+ /* don't break the whole current transaction when the first
+ * prepare tentative fails (happens when the prepared statement
+ * already exists). ignore those SAVEPOINT queries results because
+ * we don't care (may be outside transaction?).
+ */
+ char buf[100]; /* stmt_name == "pdo_pgsql_cursor_%08x" */
+ snprintf(buf, sizeof(buf), "SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
stmt_retry:
/* we deferred the prepare until now, because we didn't
* know anything about the parameter types; now we do */
@@ -153,12 +161,14 @@
/* 42P05 means that the prepared statement already existed. this can happen if you use
* a connection pooling software line pgpool which doesn't close the db-connection once
* php disconnects. if php dies (no chance to run RSHUTDOWN) during execution it has no
- * chance to DEALLOCATE the prepared statements it has created. so, if we hit a 42P05 we
- * deallocate it and retry ONCE (thies 2005.12.15)
+ * chance to DEALLOCATE the prepared statements it has created. Also happens if we tried
+ * to DEALLOCATE the same statement name in an aborted transaction. so, if we hit a 42P05
+ * we deallocate it and retry ONCE (thies 2005.12.15)
*/
if (!strcmp(sqlstate, "42P05")) {
- char buf[100]; /* stmt_name == "pdo_pgsql_cursor_%08x" */
PGresult *res;
+ snprintf(buf, sizeof(buf), "ROLLBACK TO SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
snprintf(buf, sizeof(buf), "DEALLOCATE %s", S->stmt_name);
res = PQexec(H->server, buf);
if (res) {
@@ -166,11 +176,15 @@
}
goto stmt_retry;
} else {
+ snprintf(buf, sizeof(buf), "RELEASE SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
pdo_pgsql_error_stmt(stmt, status, sqlstate);
return 0;
}
}
}
+ snprintf(buf, sizeof(buf), "RELEASE SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
}
S->result = PQexecPrepared(H->server, S->stmt_name,
stmt->bound_params ?
Modified: php/php-src/branches/PHP_5_3/NEWS
===================================================================
--- php/php-src/branches/PHP_5_3/NEWS 2009-10-25 20:47:27 UTC (rev 289923)
+++ php/php-src/branches/PHP_5_3/NEWS 2009-10-26 02:02:28 UTC (rev 289924)
@@ -13,6 +13,8 @@
- Fixed bug #49990 (SNMP3 warning message about security level printed twice).
(Jani)
+- Fixed bug #49985 (pdo_pgsql prepare() re-use previous aborted
+ transaction). (ben dot pineau at gmail dot com, Ilia)
- Fixed bug #49855 (import_request_variables() always returns NULL). (Ilia,
sjoerd at php dot net)
- Fixed bug #49800 (SimpleXML allow (un)serialize() calls without warning).
Modified: php/php-src/branches/PHP_5_3/ext/pdo_pgsql/pgsql_statement.c
===================================================================
--- php/php-src/branches/PHP_5_3/ext/pdo_pgsql/pgsql_statement.c 2009-10-25 20:47:27 UTC (rev 289923)
+++ php/php-src/branches/PHP_5_3/ext/pdo_pgsql/pgsql_statement.c 2009-10-26 02:02:28 UTC (rev 289924)
@@ -162,6 +162,14 @@
/* using a prepared statement */
if (!S->is_prepared) {
+ /* don't break the whole current transaction when the first
+ * prepare tentative fails (happens when the prepared statement
+ * already exists). ignore those SAVEPOINT queries results because
+ * we don't care (may be outside transaction?).
+ */
+ char buf[100]; /* stmt_name == "pdo_pgsql_cursor_%08x" */
+ snprintf(buf, sizeof(buf), "SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
stmt_retry:
/* we deferred the prepare until now, because we didn't
* know anything about the parameter types; now we do */
@@ -181,12 +189,14 @@
/* 42P05 means that the prepared statement already existed. this can happen if you use
* a connection pooling software line pgpool which doesn't close the db-connection once
* php disconnects. if php dies (no chance to run RSHUTDOWN) during execution it has no
- * chance to DEALLOCATE the prepared statements it has created. so, if we hit a 42P05 we
- * deallocate it and retry ONCE (thies 2005.12.15)
+ * chance to DEALLOCATE the prepared statements it has created. Also happens if we tried
+ * to DEALLOCATE the same statement name in an aborted transaction. so, if we hit a 42P05
+ * we deallocate it and retry ONCE (thies 2005.12.15)
*/
if (!strcmp(sqlstate, "42P05")) {
- char buf[100]; /* stmt_name == "pdo_crsr_%016lx" */
PGresult *res;
+ snprintf(buf, sizeof(buf), "ROLLBACK TO SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
snprintf(buf, sizeof(buf), "DEALLOCATE %s", S->stmt_name);
res = PQexec(H->server, buf);
if (res) {
@@ -194,11 +204,15 @@
}
goto stmt_retry;
} else {
+ snprintf(buf, sizeof(buf), "RELEASE SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
pdo_pgsql_error_stmt(stmt, status, sqlstate);
return 0;
}
}
}
+ snprintf(buf, sizeof(buf), "RELEASE SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
}
S->result = PQexecPrepared(H->server, S->stmt_name,
stmt->bound_params ?
Modified: php/php-src/trunk/ext/pdo_pgsql/pgsql_statement.c
===================================================================
--- php/php-src/trunk/ext/pdo_pgsql/pgsql_statement.c 2009-10-25 20:47:27 UTC (rev 289923)
+++ php/php-src/trunk/ext/pdo_pgsql/pgsql_statement.c 2009-10-26 02:02:28 UTC (rev 289924)
@@ -162,6 +162,14 @@
/* using a prepared statement */
if (!S->is_prepared) {
+ /* don't break the whole current transaction when the first
+ * prepare tentative fails (happens when the prepared statement
+ * already exists). ignore those SAVEPOINT queries results because
+ * we don't care (may be outside transaction?).
+ */
+ char buf[100]; /* stmt_name == "pdo_pgsql_cursor_%08x" */
+ snprintf(buf, sizeof(buf), "SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
stmt_retry:
/* we deferred the prepare until now, because we didn't
* know anything about the parameter types; now we do */
@@ -181,12 +189,14 @@
/* 42P05 means that the prepared statement already existed. this can happen if you use
* a connection pooling software line pgpool which doesn't close the db-connection once
* php disconnects. if php dies (no chance to run RSHUTDOWN) during execution it has no
- * chance to DEALLOCATE the prepared statements it has created. so, if we hit a 42P05 we
- * deallocate it and retry ONCE (thies 2005.12.15)
+ * chance to DEALLOCATE the prepared statements it has created. Also happens if we tried
+ * to DEALLOCATE the same statement name in an aborted transaction. so, if we hit a 42P05
+ * we deallocate it and retry ONCE (thies 2005.12.15)
*/
if (!strcmp(sqlstate, "42P05")) {
- char buf[100]; /* stmt_name == "pdo_crsr_%016lx" */
PGresult *res;
+ snprintf(buf, sizeof(buf), "ROLLBACK TO SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
snprintf(buf, sizeof(buf), "DEALLOCATE %s", S->stmt_name);
res = PQexec(H->server, buf);
if (res) {
@@ -194,11 +204,15 @@
}
goto stmt_retry;
} else {
+ snprintf(buf, sizeof(buf), "RELEASE SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
pdo_pgsql_error_stmt(stmt, status, sqlstate);
return 0;
}
}
}
+ snprintf(buf, sizeof(buf), "RELEASE SAVEPOINT %s", S->stmt_name);
+ PQexec(H->server, buf);
}
S->result = PQexecPrepared(H->server, S->stmt_name,
stmt->bound_params ?
--
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