DROP TABLE IF EXISTS table1; DROP TABLE IF EXISTS table2; DROP TABLE IF EXISTS table3; DROP TABLE IF EXISTS table5; DROP TABLE IF EXISTS table_set; CREATE TABLE table1 (a UInt32) ENGINE = Memory; CREATE TABLE table2 (a UInt32, b UInt32) ENGINE = Memory; CREATE TABLE table3 (b UInt32, c UInt32) ENGINE = Memory; CREATE TABLE table5 (a UInt32, b UInt32, c UInt32) ENGINE = Memory; INSERT INTO table1 SELECT number FROM numbers(21); INSERT INTO table2 SELECT number * 2, number * 20 FROM numbers(11); INSERT INTO table3 SELECT number * 30, number * 300 FROM numbers(10); INSERT INTO table5 SELECT number * 5, number * 50, number * 500 FROM numbers(10); select t1.a, t2.b, t3.c from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b; select t1.a, t2.b, t5.c from table1 as t1 join table2 as t2 on t1.a = t2.a join table5 as t5 on t1.a = t5.a AND t2.b = t5.b; select t1.a, t2.a, t2.b, t3.b, t3.c, t5.a, t5.b, t5.c from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b join table5 as t5 on t3.c = t5.c FORMAT PrettyCompactNoEscapes; select t1.a as t1_a, t2.a as t2_a, t2.b as t2_b, t3.b as t3_b from table1 as t1 join table2 as t2 on t1_a = t2_a join table3 as t3 on t2_b = t3_b; select t1.a as t1_a, t2.a as t2_a, t2.b as t2_b, t3.b as t3_b from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b; select t1.a as t1_a, t2.a as t2_a, t2.b as t2_b, t3.b as t3_b from table1 as t1 join table2 as t2 on table1.a = table2.a join table3 as t3 on table2.b = table3.b; select t1.a, t2.a, t2.b, t3.b from table1 as t1 join table2 as t2 on table1.a = table2.a join table3 as t3 on table2.b = table3.b; select t1.a, t2.a, t2.b, t3.b from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b; select table1.a, table2.a, table2.b, table3.b from table1 as t1 join table2 as t2 on table1.a = table2.a join table3 as t3 on table2.b = table3.b; select t1.*, t2.*, t3.* from table1 as t1 join table2 as t2 on table1.a = table2.a join table3 as t3 on table2.b = table3.b FORMAT PrettyCompactNoEscapes; select * from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b FORMAT PrettyCompactNoEscapes; select t1.a as t1_a, t2.a as t2_a, t2.b as t2_b, t3.b as t3_b, (t1.a + table2.b) as t1_t2_x, (table1.a + table3.b) as t1_t3_x, (t2.b + t3.b) as t2_t3_x from table1 as t1 join table2 as t2 on t1_a = t2_a join table3 as t3 on t2_b = t3_b; --select (t1.a + table2.b) as t1_t2_x, (table1.a + table3.b) as t1_t3_x, (t2.b + t3.b) as t2_t3_x --from table1 as t1 --join table2 as t2 on t1_t2_x = t2.a --join table3 as t3 on t1_t3_x = t2_t3_x; CREATE TABLE table_set ( x UInt32 ) ENGINE = Set; INSERT INTO table_set VALUES (0), (1), (2); select count() from table1 as t1 join table2 as t2 on t1.a = t2.a join table3 as t3 on t2.b = t3.b join table5 as t5 on t3.c = t5.c WHERE t1.a in table_set; DROP TABLE table_set; DROP TABLE table1; DROP TABLE table2; DROP TABLE table3; DROP TABLE table5;