hits_100m_single 5 CREATE TABLE merge_table_streams_1 AS hits_100m_single CREATE TABLE merge_table_streams_2 AS hits_100m_single CREATE TABLE merge_table_streams_3 AS hits_100m_single CREATE TABLE merge_table_streams_4 AS hits_100m_single SELECT UserID FROM merge(default, '^(hits_100m_single|merge_table_streams_\\d)$') WHERE UserID = 12345678901234567890 DROP TABLE merge_table_streams_1 DROP TABLE merge_table_streams_2 DROP TABLE merge_table_streams_3 DROP TABLE merge_table_streams_4