diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php
index 7bb210a..8e51623 100644
--- a/system/database/drivers/postgre/postgre_utility.php
+++ b/system/database/drivers/postgre/postgre_utility.php
@@ -28,13 +28,13 @@
 	/**
 	 * Create database
 	 *
-	 * @access	public
+	 * @access	private
 	 * @param	string	the database name
 	 * @return	bool
 	 */
-	function create_database($name)
+	function _create_database($name)
 	{
-		return $this->db->query("CREATE DATABASE ".$name);
+		return "CREATE DATABASE ".$name;
 	}
 
 	// --------------------------------------------------------------------
@@ -84,7 +84,7 @@
 	 */
 	function drop_table($table)
 	{
-		"DROP TABLE ".$this->db->_escape_table($name)." CASCADE";
+		return $this->db->query("DROP TABLE ".$this->db->_escape_table($name)." CASCADE");
 	}
 
 	// --------------------------------------------------------------------
@@ -144,9 +144,7 @@
 	 */
 	function _field_data($table)
 	{
-		$sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1";
-		$query = $this->db->query($sql);
-		return $query->field_data();
+		return "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1";
 	}