From a3391248e46bbc389dc1880f7ae50aa5dade8731 Mon Sep 17 00:00:00 2001
From: Joas Schilling <nickvergessen@owncloud.com>
Date: Tue, 8 Dec 2015 09:49:21 +0100
Subject: Add select distinct to the query builder

---
 lib/public/db/querybuilder/iquerybuilder.php | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'lib/public/db')

diff --git a/lib/public/db/querybuilder/iquerybuilder.php b/lib/public/db/querybuilder/iquerybuilder.php
index e3105cf134e..1ff1077d53f 100644
--- a/lib/public/db/querybuilder/iquerybuilder.php
+++ b/lib/public/db/querybuilder/iquerybuilder.php
@@ -256,6 +256,22 @@ interface IQueryBuilder {
 	 */
 	public function selectAlias($select, $alias);
 
+	/**
+	 * Specifies an item that is to be returned uniquely in the query result.
+	 *
+	 * <code>
+	 *     $qb = $conn->getQueryBuilder()
+	 *         ->selectDistinct('type')
+	 *         ->from('users');
+	 * </code>
+	 *
+	 * @param mixed $select The selection expressions.
+	 *
+	 * @return \OCP\DB\QueryBuilder\IQueryBuilder This QueryBuilder instance.
+	 * @since 9.0.0
+	 */
+	public function selectDistinct($select);
+
 	/**
 	 * Adds an item that is to be returned in the query result.
 	 *
-- 
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