From: stronk7 <stronk7>
Date: Mon, 2 Oct 2006 17:02:07 +0000 (+0000)
Subject: MySQL doesn't have check constraints. We use enums instead.
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=dc7c388280bf7e53a20b7d954e80d9cdf30d9e92;p=moodle.git

MySQL doesn't have check constraints. We use enums instead.
---

diff --git a/lib/xmldb/classes/generators/mysql/mysql.class.php b/lib/xmldb/classes/generators/mysql/mysql.class.php
index 54251f977b..a22df85e62 100644
--- a/lib/xmldb/classes/generators/mysql/mysql.class.php
+++ b/lib/xmldb/classes/generators/mysql/mysql.class.php
@@ -243,6 +243,18 @@ class XMLDBmysql extends XMLDBGenerator {
         return array($comment);
     }
 
+    /**
+     * Given one XMLDBTable returns one array with all the check constrainsts 
+     * in the table (fetched from DB)
+     * Each element contains the name of the constraint and its description
+     * If no check constraints are found, returns an empty array
+     * MySQL doesn't have check constraints in this implementation
+     */
+    function getCheckConstraintsFromDB($xmldb_table) {
+
+        return array();
+    }
+
     /**
      * Returns an array of reserved words (lowercase) for this DB
      */