diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php
index 760be81..cfc475f 100644
--- a/system/database/drivers/postgre/postgre_utility.php
+++ b/system/database/drivers/postgre/postgre_utility.php
@@ -22,20 +22,70 @@
* @author Rick Ellis
* @link http://www.codeigniter.com/user_guide/database/
*/
-class CI_DB_postgre_utility {
+class CI_DB_postgre_utility extends CI_DB_utility {
+
/**
- * Some function
+ * Version number query string
*
* @access public
- * @return integer
+ * @return string
*/
- function something()
+ function _version()
{
+ return "SELECT version() AS ver";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Show table query
+ *
+ * Generates a platform-specific query string so that the table names can be fetched
+ *
+ * @access public
+ * @return string
+ */
+ function _show_tables()
+ {
+ return "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'";
}
// --------------------------------------------------------------------
+ /**
+ * Show columnn query
+ *
+ * Generates a platform-specific query string so that the column names can be fetched
+ *
+ * @access public
+ * @param string the table name
+ * @return string
+ */
+ function _show_columns($table = '')
+ {
+ return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$this->db->_escape_table($table)."'";
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
+ * Field data query
+ *
+ * Generates a platform-specific query so that the column data can be retrieved
+ *
+ * @access public
+ * @param string the table name
+ * @return object
+ */
+ function _field_data($table)
+ {
+ $sql = "SELECT * FROM ".$this->db->_escape_table($table)." LIMIT 1";
+ $query = $this->db->query($sql);
+ return $query->field_data();
+ }
+
+
}
?>
\ No newline at end of file