fixup! tests(DB): Add test for date time comparisons in query builder

tests/lib/DB/QueryBuilder/ExpressionBuilderDBTest.php

@@ -21,8 +21,12 @@
 
 namespace Test\DB\QueryBuilder;
 
+use Doctrine\DBAL\Schema\SchemaException;
+use Doctrine\DBAL\Types\Types;
 use OC\DB\QueryBuilder\Literal;
 use OCP\DB\QueryBuilder\IQueryBuilder;
+use OCP\IConfig;
+use OCP\Server;
 use Test\TestCase;
 
 /**
@@ -31,13 +35,13 @@
 class ExpressionBuilderDBTest extends TestCase {
 	/** @var \Doctrine\DBAL\Connection|\OCP\IDBConnection */
 	protected $connection;
+	protected $schemaSetup = false;
 
 	protected function setUp(): void {
 		parent::setUp();
 
 		$this->connection = \OC::$server->getDatabaseConnection();
-
-		$this->connection->getQueryBuilder()->delete('testing')->executeStatement();
+		$this->prepareTestingTable();
 	}
 
 	public function likeProvider() {
@@ -215,4 +219,31 @@ protected function createConfig($appId, $key, $value) {
 			])
 			->execute();
 	}
+
+	protected function prepareTestingTable(): void {
+		if ($this->schemaSetup) {
+			$this->connection->getQueryBuilder()->delete('testing')->executeStatement();
+		}
+
+		$prefix = Server::get(IConfig::class)->getSystemValueString('dbtableprefix', 'oc_');
+		$schema = $this->connection->createSchema();
+		try {
+			$schema->getTable($prefix . 'testing');
+			$this->connection->getQueryBuilder()->delete('testing')->executeStatement();
+		} catch (SchemaException $e) {
+			$this->schemaSetup = true;
+			$table = $schema->createTable($prefix . 'testing');
+			$table->addColumn('id', Types::BIGINT, [
+				'autoincrement' => true,
+				'notnull' => true,
+			]);
+
+			$table->addColumn('datetime', Types::DATETIME_MUTABLE, [
+				'notnull' => false,
+			]);
+
+			$table->setPrimaryKey(['id']);
+			$this->connection->migrateToSchema($schema);
+		}
+	}
 }