-- Simple types
-- { echoOn }
SELECT x FROM format(JSONEachRow, 'x Date', '{"x":""}');
1970-01-01
SELECT x FROM format(JSONEachRow, 'x Date32', '{"x":""}');
1970-01-01
SELECT toTimeZone(x, 'UTC') FROM format(JSONEachRow, 'x DateTime', '{"x":""}');
1970-01-01 00:00:00
SELECT toTimeZone(x, 'UTC') FROM format(JSONEachRow, 'x DateTime64', '{"x":""}');
1970-01-01 00:00:00.000
SELECT x FROM format(JSONEachRow, 'x IPv4', '{"x":""}');
0.0.0.0
SELECT x FROM format(JSONEachRow, 'x IPv6', '{"x":""}');
::
SELECT x FROM format(JSONEachRow, 'x UUID', '{"x":""}');
00000000-0000-0000-0000-000000000000
-- { echoOn }
SELECT COUNT(DISTINCT col) FROM table1;
1
-- { echoOn }
SELECT * FROM table1 ORDER BY address ASC;
::
2001:db8:3333:4444:5555:6666:7777:8888
-- Nullable
-- { echoOn }
SELECT x FROM format(JSONEachRow, 'x Nullable(IPv6)', '{"x":""}');
\N
-- Compound types
SELECT x FROM format(JSONEachRow, 'x Array(UUID)', '{"x":["00000000-0000-0000-0000-000000000000","b15f852c-c41a-4fd6-9247-1929c841715e",""]}');
['00000000-0000-0000-0000-000000000000','b15f852c-c41a-4fd6-9247-1929c841715e','00000000-0000-0000-0000-000000000000']
SELECT x FROM format(JSONEachRow, 'x Array(Nullable(IPv6))', '{"x":["",""]}');
[NULL,NULL]
SELECT x FROM format(JSONEachRow, 'x Tuple(Date, IPv4, String)', '{"x":["", "", "abc"]}');
('1970-01-01','0.0.0.0','abc')
SELECT x FROM format(JSONEachRow, 'x Map(String, IPv6)', '{"x":{"abc": ""}}');
{'abc':'::'}
SELECT x FROM format(JSONEachRow, 'x Variant(Date, UUID)', '{"x":""}');
\N
-- Deep composition
SELECT x FROM format(JSONEachRow, 'x Array(Array(IPv6))', '{"x":[["2001:db8:3333:4444:CCCC:DDDD:EEEE:FFFF", ""], ["", "2001:db8:3333:4444:5555:6666:7777:8888"]]}');
[['2001:db8:3333:4444:cccc:dddd:eeee:ffff','::'],['::','2001:db8:3333:4444:5555:6666:7777:8888']]
SELECT x FROM format(JSONEachRow, 'x Variant(Date, Array(UUID))', '{"x":["", "b15f852c-c41a-4fd6-9247-1929c841715e"]}');
['00000000-0000-0000-0000-000000000000','b15f852c-c41a-4fd6-9247-1929c841715e']
SELECT x FROM format(JSONEachRow, 'x Tuple(Array(UUID), Tuple(UUID, Map(String, IPv6)))', '{"x":[[""], ["",{"abc":""}]]}');
(['00000000-0000-0000-0000-000000000000'],('00000000-0000-0000-0000-000000000000',{'abc':'::'}))
SELECT x FROM format(JSONEachRow, 'x Map(Tuple(Date,IPv4), Variant(UUID,IPv6))', '{"x":{["",""]:""}}');
{('1970-01-01','0.0.0.0'):NULL}