INSERT UNION with LATERAL VIEW does not produce data

// code placeholder

DROP TABLE union_test;
CREATE TABLE union_test(id INT) PARTITIONED BY (`dt` STRING);

DROP TABLE json_src;
CREATE TABLE json_src(message STRING) PARTITIONED BY (`dt` STRING);

INSERT OVERWRITE TABLE json_src PARTITION(dt='1219') VALUES('{"id":1}');
INSERT OVERWRITE TABLE json_src PARTITION(dt='1220') VALUES('{"id":2}');


INSERT OVERWRITE TABLE union_test PARTITION (dt='1221')
SELECT id FROM json_src LATERAL  VIEW json_tuple(message, 'id') b AS id WHERE dt='1219'
UNION ALL
SELECT id FROM json_src LATERAL  VIEW json_tuple(message, 'id') b AS id WHERE dt='1220'
;