function TemporaryQueryTest::testTemporaryQuery

Confirms that temporary tables work.

Overrides TemporaryQueryTestBase::testTemporaryQuery

File

core/modules/mysql/tests/src/Kernel/mysql/TemporaryQueryTest.php, line 19

Class

TemporaryQueryTest

Tests the temporary query functionality.

Namespace

Code

public function testTemporaryQuery() : void {
    parent::testTemporaryQuery();
    $connection = $this->getConnection();
    $table_name_test = $connection->queryTemporary('SELECT [name] FROM {test}', []);
    // Assert that the table is indeed a temporary one.
    $temporary_table_info = $connection->query("SHOW CREATE TABLE {" . $table_name_test . "}")
        ->fetchAssoc();
    $this->assertStringContainsString('CREATE TEMPORARY TABLE', $temporary_table_info['Create Table']);
    // Assert that both have the same field names.
    $normal_table_fields = $connection->query("SELECT * FROM {test}")
        ->fetch();
    $temp_table_name = $connection->queryTemporary('SELECT * FROM {test}');
    $temp_table_fields = $connection->query("SELECT * FROM {" . $temp_table_name . "}")
        ->fetch();
    $normal_table_fields = array_keys(get_object_vars($normal_table_fields));
    $temp_table_fields = array_keys(get_object_vars($temp_table_fields));
    $this->assertEmpty(array_diff($normal_table_fields, $temp_table_fields));
}