Added classes for testing db queries directly on a test database. Fixed a few insert bugs.

git-svn-id: http://xe-core.googlecode.com/svn/branches/1.5.0-DB@8600 201d5d3c-b55e-5fd7-737f-ddc643e51545

test-phpUnit/db/CubridTest.php

@@ -1,12 +1,14 @@
 <?php
 
-/*
- * To change this template, choose Tools | Templates
- * and open the template in the editor.
- */
+    /**
+     * Base class for tests for CUBRID SQL syntax
+     */
 
     class CubridTest extends DBTest {
 
+        /**
+         * Prepare runtime context - tell DB class that current DB is CUBRID
+         */
         protected function setUp() {
             $oContext = &Context::getInstance();
 
@@ -16,6 +18,9 @@
             $oContext->setDbInfo($db_info);         
         }
 
+        /**
+         * Free resources - reset static DB and QueryParser
+         */
         protected function tearDown() {
             unset($GLOBALS['__DB__']);
             XmlQueryParser::setDBParser(null);