diff options
Diffstat (limited to 'system/database/drivers/mysql/mysql_driver.php')
| -rw-r--r-- | system/database/drivers/mysql/mysql_driver.php | 32 |
1 files changed, 28 insertions, 4 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 2e1f30f21..69a238d94 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -31,6 +31,13 @@ class CI_DB_mysql_driver extends CI_DB {
/**
+ * The syntax to count rows is slightly different across different
+ * database engines, so this string appears in each driver and is
+ * used for the count_all() and count_all_results() functions.
+ */
+ var $count_string = "SELECT COUNT(*) AS numrows ";
+
+ /**
* Whether to use the MySQL "delete hack" which allows the number
* of affected rows to be shown. Uses a preg_replace when enabled,
* adding a bit more processing to all queries.
@@ -222,7 +229,17 @@ class CI_DB_mysql_driver extends CI_DB { */
function escape_str($str)
{
- if (function_exists('mysql_real_escape_string'))
+ if (is_array($str))
+ {
+ foreach($str as $key => $val)
+ {
+ $str[$key] = $this->escape_str($val);
+ }
+
+ return $str;
+ }
+
+ if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id))
{
return mysql_real_escape_string($str, $this->conn_id);
}
@@ -279,7 +296,7 @@ class CI_DB_mysql_driver extends CI_DB { if ($table == '')
return '0';
- $query = $this->query("SELECT COUNT(*) AS numrows FROM `".$this->dbprefix.$table."`");
+ $query = $this->query($this->count_string . "FROM `".$this->dbprefix.$table."`");
if ($query->num_rows() == 0)
return '0';
@@ -298,9 +315,16 @@ class CI_DB_mysql_driver extends CI_DB { * @access private
* @return string
*/
- function _list_tables()
+ function _list_tables($prefix_limit = FALSE)
{
- return "SHOW TABLES FROM `".$this->database."`";
+ $sql = "SHOW TABLES FROM `".$this->database."`";
+
+ if ($prefix_limit !== FALSE AND $this->_stdprefix != '')
+ {
+ $sql .= " LIKE '".$this->_stdprefix."%'";
+ }
+
+ return $sql;
}
// --------------------------------------------------------------------
|