From: stronk7 <stronk7>
Date: Tue, 12 Sep 2006 22:20:50 +0000 (+0000)
Subject: Added support for add_field and drop_field
X-Git-Url: http://git.mjollnir.org/gw?a=commitdiff_plain;h=0bd921db9e40fbfa05366b2db8c5d416861df6e5;p=moodle.git

Added support for add_field and drop_field
---

diff --git a/lib/xmldb/classes/XMLDBTable.class.php b/lib/xmldb/classes/XMLDBTable.class.php
index 2ea9f5e6b4..1f869bb592 100644
--- a/lib/xmldb/classes/XMLDBTable.class.php
+++ b/lib/xmldb/classes/XMLDBTable.class.php
@@ -818,6 +818,61 @@ class XMLDBTable extends XMLDBObject {
         }
         return $results;
     }
+
+    /** 
+     * This function will return the SQL code needed to add one field to the table for the specified DB and
+     * prefix. Just one simple wrapper over generators.
+     */
+    function getAddFieldSQL ($dbtype, $prefix, $xmldb_field, $statement_end=true) {
+
+        $results = array();
+
+        $classname = 'XMLDB' . $dbtype;
+        $generator = new $classname();
+        $generator->setPrefix($prefix);
+        $results = $generator->getAddFieldSQL($this, $xmldb_field);
+        if ($statement_end) {
+            $results = $generator->getEndedStatements($results);
+        }
+        return $results;
+    }
+
+    /** 
+     * This function will return the SQL code needed to drop one field from the table for the specified DB and
+     * prefix. Just one simple wrapper over generators.
+     */
+    function getDropFieldSQL ($dbtype, $prefix, $xmldb_field, $statement_end=true) {
+
+        $results = array();
+
+        $classname = 'XMLDB' . $dbtype;
+        $generator = new $classname();
+        $generator->setPrefix($prefix);
+        $results = $generator->getDropFieldSQL($this, $xmldb_field);
+        if ($statement_end) {
+            $results = $generator->getEndedStatements($results);
+        }
+        return $results;
+    }
+
+    /** 
+     * This function will return the SQL code needed to rename one field from the table for the specified DB and
+     * prefix. Just one simple wrapper over generators.
+     */
+    function getRenameFieldSQL ($dbtype, $prefix, $xmldb_field, $newname, $statement_end=true) {
+
+        $results = array();
+
+        $classname = 'XMLDB' . $dbtype;
+        $generator = new $classname();
+        $generator->setPrefix($prefix);
+        $results = $generator->getRenameFieldSQL($this, $xmldb_field, $newname);
+        if ($statement_end) {
+            $results = $generator->getEndedStatements($results);
+        }
+        return $results;
+    }
+
 }
 
 ?>