diff options
Diffstat (limited to 'system/database/drivers/mysqli/mysqli_driver.php')
| -rw-r--r-- | system/database/drivers/mysqli/mysqli_driver.php | 33 |
1 files changed, 27 insertions, 6 deletions
diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index b8586c21d..d3200f328 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -54,6 +54,9 @@ class CI_DB_mysqli_driver extends CI_DB { */ var $delete_hack = TRUE; + // whether SET NAMES must be used to set the character set + var $use_set_names; + // -------------------------------------------------------------------- /** @@ -132,15 +135,13 @@ class CI_DB_mysqli_driver extends CI_DB { */ function _db_set_charset($charset, $collation) { - static $use_set_names; - - if ( ! isset($use_set_names)) + if ( ! isset($this->use_set_names)) { // mysqli_set_charset() requires MySQL >= 5.0.7, use SET NAMES as fallback - $use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE; + $this->use_set_names = (version_compare(mysqli_get_server_info($this->conn_id), '5.0.7', '>=')) ? FALSE : TRUE; } - if ($use_set_names) + if ($this->use_set_names === TRUE) { return @mysqli_query($this->conn_id, "SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'"); } @@ -385,6 +386,7 @@ class CI_DB_mysqli_driver extends CI_DB { } $row = $query->row(); + $this->_reset_select(); return (int) $row->numrows; } @@ -440,7 +442,7 @@ class CI_DB_mysqli_driver extends CI_DB { */ function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return "DESCRIBE ".$table; } // -------------------------------------------------------------------- @@ -568,6 +570,25 @@ class CI_DB_mysqli_driver extends CI_DB { { return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); } + + // -------------------------------------------------------------------- + + + /** + * Replace statement + * + * Generates a platform-specific replace string from the supplied data + * + * @access public + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + function _replace($table, $keys, $values) + { + return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + } // -------------------------------------------------------------------- |