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-rwxr-xr-xsystem/database/drivers/mysql/mysql_driver.php17
-rwxr-xr-xsystem/database/drivers/mysql/mysql_forge.php8
2 files changed, 22 insertions, 3 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php
index 4ff9b0a11..b7d547cc0 100755
--- a/system/database/drivers/mysql/mysql_driver.php
+++ b/system/database/drivers/mysql/mysql_driver.php
@@ -132,7 +132,22 @@ class CI_DB_mysql_driver extends CI_DB {
*/
function db_set_charset($charset, $collation)
{
- return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
+ static $use_set_names;
+
+ if ( ! isset($use_set_names))
+ {
+ // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback
+ $use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE;
+ }
+
+ if ($use_set_names)
+ {
+ return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id);
+ }
+ else
+ {
+ return @mysql_set_charset($charset, $this->conn_id);
+ }
}
// --------------------------------------------------------------------
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php
index 529ec980d..c1cae136c 100755
--- a/system/database/drivers/mysql/mysql_forge.php
+++ b/system/database/drivers/mysql/mysql_forge.php
@@ -119,9 +119,13 @@ class CI_DB_mysql_forge extends CI_DB_forge {
$sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
}
- if (array_key_exists('NULL', $attributes))
+ if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
{
- $sql .= ($attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL';
+ $sql .= ' NULL';
+ }
+ else
+ {
+ $sql .= ' NOT NULL';
}
if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)