--!syntax_pg select * from (values (1,2),(3,4)) as a(x,y) inner join (values (1,2),(2,5)) as b(u,v) on a.x = b.u; select * from (values (1,2),(3,4)) as a(x,y) inner join (values (1,2),(2,5)) as b(u,v) on a.x = b.u and b.v = a.y;