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authorAndrey Andreev <narf@bofh.bg>2012-11-05 16:01:11 +0100
committerAndrey Andreev <narf@bofh.bg>2012-11-05 16:01:11 +0100
commit2b73037e450859e85fb468ad7499a26882a67292 (patch)
tree8388444fba44c5188c8977949d4a931320cd3e05 /system/database/drivers/mysql
parent522c73623b46afc9082ac7c8af5c34bf1b4f47f4 (diff)
Fix DB drivers version() implementations that don't execute a query
Fails if called prior to the DB connection initialization.
Diffstat (limited to 'system/database/drivers/mysql')
-rw-r--r--system/database/drivers/mysql/mysql_driver.php18
1 files changed, 15 insertions, 3 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 2457e558c..b1edc2925 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -191,9 +191,21 @@ class CI_DB_mysql_driver extends CI_DB {
*/
public function version()
{
- return isset($this->data_cache['version'])
- ? $this->data_cache['version']
- : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id);
+ if (isset($this->data_cache['version']))
+ {
+ return $this->data_cache['version'];
+ }
+ elseif ( ! $this->conn_id)
+ {
+ $this->initialize();
+ }
+
+ if ( ! $this->conn_id OR ($version = @mysql_get_server_info($this->conn_id)) === FALSE)
+ {
+ return FALSE;
+ }
+
+ return $this->data_cache['version'] = $version;
}
// --------------------------------------------------------------------