summaryrefslogtreecommitdiffstats
path: root/system/database/drivers/mysql/mysql_driver.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/database/drivers/mysql/mysql_driver.php')
-rw-r--r--system/database/drivers/mysql/mysql_driver.php14
1 files changed, 8 insertions, 6 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index b7d547cc0..f87cfea4b 100644
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -54,6 +54,9 @@ class CI_DB_mysql_driver extends CI_DB {
var $_count_string = 'SELECT COUNT(*) AS ';
var $_random_keyword = ' RAND()'; // database specific random keyword
+ // whether SET NAMES must be used to set the character set
+ var $use_set_names;
+
/**
* Non-persistent database connection
*
@@ -132,15 +135,13 @@ class CI_DB_mysql_driver extends CI_DB {
*/
function db_set_charset($charset, $collation)
{
- static $use_set_names;
-
- if ( ! isset($use_set_names))
+ if ( ! isset($this->use_set_names))
{
// mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
- $use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
+ $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
}
- if ($use_set_names)
+ if ($this->use_set_names === TRUE)
{
return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
}
@@ -384,6 +385,7 @@ class CI_DB_mysql_driver extends CI_DB {
}
$row = $query->row();
+ $this->_reset_select();
return (int) $row->numrows;
}
@@ -439,7 +441,7 @@ class CI_DB_mysql_driver extends CI_DB {
*/
function _field_data($table)
{
- return "SELECT * FROM ".$table." LIMIT 1";
+ return "DESCRIBE ".$table;
}
// --------------------------------------------------------------------