From: Florent Bruneau <florent.bruneau@polytechnique.org>
Date: Sat, 14 Feb 2009 17:16:19 +0000 (+0100)
Subject: Helper function to format some queries.
X-Git-Tag: core/1.0.1~20
X-Git-Url: http://git.polytechnique.org/?a=commitdiff_plain;h=0ef5bd4bceb37a6ed6a1afb719d403f25c71ef02;p=platal.git

Helper function to format some queries.

Signed-off-by: Florent Bruneau <florent.bruneau@polytechnique.org>
---

diff --git a/classes/xdb.php b/classes/xdb.php
index 5f200d8..ea728d4 100644
--- a/classes/xdb.php
+++ b/classes/xdb.php
@@ -140,6 +140,22 @@ class XDB
         return self::_prepare(func_get_args());
     }
 
+    // Produce the SQL statement for setting/unsetting a flag
+    public static function changeFlag($fieldname, $flagname, $state)
+    {
+        if ($state) {
+            return XDB::format($fieldname . ' = CONCAT({?}, \',\', ' . $fieldname . ')', $flagname);
+        } else {
+            return XDB::format($fieldname . ' = REPLACE(' . $fieldname . ', {?}, \'\')', $flagname);
+        }
+    }
+
+    // Produce the SQL statement representing an array
+    public static function formatArray(array $array)
+    {
+        return '(' . implode(', ', array_map(array('XDB', 'escape'), $array)) . ')';
+    }
+
     public static function execute()
     {
         global $globals;