Primilary import of new db stuff

1 files changed, 43 insertions, 0 deletions

diff --git a/framework/Db/schema/sqlite/TSqliteCommandBuilder.php b/framework/Db/schema/sqlite/TSqliteCommandBuilder.php
new file mode 100755
index 00000000..ed73160a
--- /dev/null
+++ b/framework/Db/schema/sqlite/TSqliteCommandBuilder.php
@@ -0,0 +1,43 @@
+<?php
+/**
+ * TSqliteCommandBuilder class file.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @link http://www.yiiframework.com/
+ * @copyright Copyright &copy; 2008-2009 Yii Software LLC
+ * @license http://www.yiiframework.com/license/
+ */
+
+prado::using('System.db.schema.TDbCommandBuilder');
+
+/**
+ * TSqliteCommandBuilder provides basic methods to create query commands for SQLite tables.
+ *
+ * @author Qiang Xue <qiang.xue@gmail.com>
+ * @version $Id$
+ * @package system.db.schema.sqlite
+ * @since 1.0
+ */
+class TSqliteCommandBuilder extends TDbCommandBuilder
+{
+	/**
+	 * Generates the expression for selecting rows with specified composite key values.
+	 * This method is overridden because SQLite does not support the default
+	 * IN expression with composite columns.
+	 * @param TDbTableSchema the table schema
+	 * @param array list of primary key values to be selected within
+	 * @param string column prefix (ended with dot)
+	 * @return string the expression for selection
+	 * @since 1.0.4
+	 */
+	protected function createCompositeInCondition($table,$values,$prefix)
+	{
+		$keyNames=array();
+		foreach(array_keys($values[0]) as $name)
+			$keyNames[]=$prefix.$table->columns[$name]->rawName;
+		$vs=array();
+		foreach($values as $value)
+			$vs[]=implode("||','||",$value);
+		return implode("||','||",$keyNames).' IN ('.implode(', ',$vs).')';
+	}
+}