SET allow_experimental_analyzer = 1; SET single_join_prefer_left_table = 0; DROP TABLE IF EXISTS test_table_join_1; CREATE TABLE test_table_join_1 ( id UInt64, value String ) ENGINE = TinyLog; DROP TABLE IF EXISTS test_table_join_2; CREATE TABLE test_table_join_2 ( id UInt64, value String ) ENGINE = TinyLog; DROP TABLE IF EXISTS test_table_join_3; CREATE TABLE test_table_join_3 ( id UInt64, value String ) ENGINE = TinyLog; INSERT INTO test_table_join_1 VALUES (0, 'Join_1_Value_0'); INSERT INTO test_table_join_1 VALUES (1, 'Join_1_Value_1'); INSERT INTO test_table_join_1 VALUES (3, 'Join_1_Value_3'); INSERT INTO test_table_join_2 VALUES (0, 'Join_2_Value_0'); INSERT INTO test_table_join_2 VALUES (1, 'Join_2_Value_1'); INSERT INTO test_table_join_2 VALUES (2, 'Join_2_Value_2'); INSERT INTO test_table_join_3 VALUES (0, 'Join_3_Value_0'); INSERT INTO test_table_join_3 VALUES (1, 'Join_3_Value_1'); INSERT INTO test_table_join_3 VALUES (2, 'Join_3_Value_2'); SELECT test_table_join_1.id, test_table_join_1.value, test_table_join_2.id, test_table_join_2.value FROM test_table_join_1, test_table_join_2; SELECT '--'; SELECT t1.id, t1.value, t2.id, t2.value FROM test_table_join_1 AS t1, test_table_join_2 AS t2; SELECT '--'; SELECT t1.id, test_table_join_1.id, t1.value, test_table_join_1.value, t2.id, test_table_join_2.id, t2.value, test_table_join_2.value FROM test_table_join_1 AS t1, test_table_join_2 AS t2; SELECT '--'; SELECT t1.id, t1.value, t2.id, t2.value FROM test_table_join_1 AS t1, test_table_join_2 AS t2; SELECT '--'; SELECT t1.id, test_table_join_1.id, t1.value, test_table_join_1.value, t2.id, test_table_join_2.id, t2.value, test_table_join_2.value FROM test_table_join_1 AS t1, test_table_join_2 AS t2; SELECT '--'; SELECT test_table_join_1.id, test_table_join_1.value, test_table_join_2.id, test_table_join_2.value, test_table_join_3.id, test_table_join_3.value FROM test_table_join_1, test_table_join_2, test_table_join_3; SELECT '--'; SELECT t1.id, t1.value, t2.id, t2.value, t3.id, t3.value FROM test_table_join_1 AS t1, test_table_join_2 AS t2, test_table_join_3 AS t3; SELECT '--'; SELECT t1.id, test_table_join_1.id, t1.value, test_table_join_1.value, t2.id, test_table_join_2.id, t2.value, test_table_join_2.value, t3.id, test_table_join_3.id, t3.value, test_table_join_3.value FROM test_table_join_1 AS t1, test_table_join_2 AS t2, test_table_join_3 AS t3; SELECT id FROM test_table_join_1, test_table_join_2; -- { serverError AMBIGUOUS_IDENTIFIER } SELECT value FROM test_table_join_1, test_table_join_2; -- { serverError AMBIGUOUS_IDENTIFIER } DROP TABLE test_table_join_1; DROP TABLE test_table_join_2; DROP TABLE test_table_join_3;