database abstraction, part I

libraries/database_interface.lib.php

@@ -0,0 +1,18 @@
+<?php
+/* $Id$ */
+// vim: expandtab sw=4 ts=4 sts=4:
+
+require_once('./libraries/dbi/' . $cfg['Server']['extension'] . '.dbi.lib.php');
+
+function PMA_DBI_query($query, $dbh = '') {
+    if (empty($dbh)) {
+        $dbh = $GLOBALS['userlink'];
+    }
+
+    $res = PMA_DBI_try_query($query, $dbh)
+        or PMA_mysqlDie(PMA_DBI_getError($dbh), $query);
+
+    return $res;
+}
+
+?>