ydb/yt/yql/tests/sql/suites/insert/two_input_tables.sql

-- kikimr only: pragma kikimr.UnwrapReadTableValues = "false"; create table plato.Output (key varchar null, subkey varchar null, value varchar null, primary key (key)); commit;
insert into plato.Output (key, subkey, value) select key, subkey, value from plato.Input;
insert into plato.Output (key, subkey, value) select key, subkey, value from plato.Input2;