DROP TABLE IF EXISTS test_table; CREATE TABLE test_table (id UInt64, value_ipv4 IPv4, value_ipv6 IPv6) ENGINE=MergeTree ORDER BY id; INSERT INTO test_table VALUES (0, '127.0.0.1', '127.0.0.1'); SELECT id FROM test_table WHERE value_ipv4 IN (SELECT value_ipv4 FROM test_table); SELECT id FROM test_table WHERE value_ipv6 IN (SELECT value_ipv6 FROM test_table); DROP TABLE test_table;