test_mysql.py 文件源码

def test_query_with_several_rows(self):
        conn, tracer = self._get_conn_tracer()
        writer = tracer.writer
        cursor = conn.cursor()
        query = "SELECT n FROM (SELECT 42 n UNION SELECT 421 UNION SELECT 4210) m"
        cursor.execute(query)
        rows = cursor.fetchall()
        eq_(len(rows), 3)
        spans = writer.pop()
        eq_(len(spans), 1)
        span = spans[0]
        eq_(span.get_tag('sql.query'), query)
        # eq_(span.get_tag('sql.rows'), 3)