add case statement to sql function builder

Signed-off-by: Robin Appelman <robin@icewind.nl>

1 files changed, 17 insertions, 0 deletions

diff --git a/tests/lib/DB/QueryBuilder/FunctionBuilderTest.php b/tests/lib/DB/QueryBuilder/FunctionBuilderTest.php
index 08392b09d8d..0ea6e69c956 100644
--- a/tests/lib/DB/QueryBuilder/FunctionBuilderTest.php
+++ b/tests/lib/DB/QueryBuilder/FunctionBuilderTest.php
@@ -501,4 +501,21 @@ class FunctionBuilderTest extends TestCase {
 		$result->closeCursor();
 		$this->assertEquals(1, $row);
 	}
+
+	public function testCase() {
+		$query = $this->connection->getQueryBuilder();
+
+		$query->select($query->func()->case([
+			['when' => $query->expr()->gt($query->expr()->literal(1, IQueryBuilder::PARAM_INT), $query->expr()->literal(2, IQueryBuilder::PARAM_INT)), 'then' => $query->expr()->literal('first')],
+			['when' => $query->expr()->lt($query->expr()->literal(1, IQueryBuilder::PARAM_INT), $query->expr()->literal(2, IQueryBuilder::PARAM_INT)), 'then' => $query->expr()->literal('second')],
+			['when' => $query->expr()->eq($query->expr()->literal(1, IQueryBuilder::PARAM_INT), $query->expr()->literal(2, IQueryBuilder::PARAM_INT)), 'then' => $query->expr()->literal('third')],
+		], $query->createNamedParameter('else')));
+		$query->from('appconfig')
+			->setMaxResults(1);
+
+		$result = $query->execute();
+		$row = $result->fetchOne();
+		$result->closeCursor();
+		$this->assertEquals('second', $row);
+	}
 }