-- https://github.com/ClickHouse/ClickHouse/issues/58985 DROP TABLE IF EXISTS test_03093; CREATE TABLE test_03093 (app String, c UInt64, k Map(String, String)) ENGINE=MergeTree ORDER BY app; INSERT INTO test_03093 VALUES ('x1', 123, {'k1': ''}); INSERT INTO test_03093 VALUES ('x1', 123, {'k1': '', 'k11': ''}); INSERT INTO test_03093 VALUES ('x1', 12, {'k1': ''}); SET allow_experimental_analyzer=1; select app, arrayZip(untuple(sumMap(k.keys, replicate(1, k.keys)))) from test_03093 PREWHERE c > 1 group by app; select app, arrayZip(untuple(sumMap(k.keys, replicate(1, k.keys)))) from test_03093 WHERE c > 1 group by app; DROP TABLE IF EXISTS test_03093;