mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-30 19:42:00 +00:00
28a2cc0a82
* Family of functions to convert DateTime64 to Int64 and back, usefull for imporintg/exporting raw timestamp values of certain precision. * Docs * Tests * Fixed ya.make
34 lines
1.6 KiB
SQL
34 lines
1.6 KiB
SQL
-- Error cases
|
|
SELECT toUnixTimestamp64Milli(); -- {serverError 42}
|
|
SELECT toUnixTimestamp64Micro(); -- {serverError 42}
|
|
SELECT toUnixTimestamp64Nano(); -- {serverError 42}
|
|
|
|
SELECT toUnixTimestamp64Milli('abc'); -- {serverError 43}
|
|
SELECT toUnixTimestamp64Micro('abc'); -- {serverError 43}
|
|
SELECT toUnixTimestamp64Nano('abc'); -- {serverError 43}
|
|
|
|
SELECT toUnixTimestamp64Milli('abc', 123); -- {serverError 42}
|
|
SELECT toUnixTimestamp64Micro('abc', 123); -- {serverError 42}
|
|
SELECT toUnixTimestamp64Nano('abc', 123); -- {serverError 42}
|
|
|
|
SELECT 'const column';
|
|
WITH toDateTime64('2019-09-16 19:20:12.345678910', 3) AS dt64
|
|
SELECT dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
|
|
|
|
WITH toDateTime64('2019-09-16 19:20:12.345678910', 6) AS dt64
|
|
SELECT dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
|
|
|
|
WITH toDateTime64('2019-09-16 19:20:12.345678910', 9) AS dt64
|
|
SELECT dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
|
|
|
|
SELECT 'non-const column';
|
|
WITH toDateTime64('2019-09-16 19:20:12.345678910', 3) AS x
|
|
SELECT materialize(x) as dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
|
|
|
|
WITH toDateTime64('2019-09-16 19:20:12.345678910', 6) AS x
|
|
SELECT materialize(x) as dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
|
|
|
|
WITH toDateTime64('2019-09-16 19:20:12.345678910', 9) AS x
|
|
SELECT materialize(x) as dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
|
|
|