ydb/yql/essentials/tests/sql/suites/expr/as_table_args.sqlx

$data = AsList(
    AsStruct(1u AS Key, "v1" AS Value1, 100 AS Value2),
    AsStruct(2u AS Key, "v2" AS Value1, 200 AS Value2));

SELECT * FROM AS_TABLE($data, "BadArg");