mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-18 13:42:02 +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
45 lines
1.2 KiB
SQL
45 lines
1.2 KiB
SQL
-- -- Error cases
|
|
SELECT fromUnixTimestamp64Milli(); -- {serverError 42}
|
|
SELECT fromUnixTimestamp64Micro(); -- {serverError 42}
|
|
SELECT fromUnixTimestamp64Nano(); -- {serverError 42}
|
|
|
|
SELECT fromUnixTimestamp64Milli('abc'); -- {serverError 43}
|
|
SELECT fromUnixTimestamp64Micro('abc'); -- {serverError 43}
|
|
SELECT fromUnixTimestamp64Nano('abc'); -- {serverError 43}
|
|
|
|
SELECT fromUnixTimestamp64Milli('abc', 123); -- {serverError 43}
|
|
SELECT fromUnixTimestamp64Micro('abc', 123); -- {serverError 43}
|
|
SELECT fromUnixTimestamp64Nano('abc', 123); -- {serverError 43}
|
|
|
|
SELECT 'const column';
|
|
WITH
|
|
CAST(1234567891011 AS Int64) AS i64,
|
|
'UTC' AS tz
|
|
SELECT
|
|
tz,
|
|
i64,
|
|
fromUnixTimestamp64Milli(i64, tz),
|
|
fromUnixTimestamp64Micro(i64, tz),
|
|
fromUnixTimestamp64Nano(i64, tz) as dt64,
|
|
toTypeName(dt64);
|
|
|
|
WITH
|
|
CAST(1234567891011 AS Int64) AS i64,
|
|
'Asia/Makassar' AS tz
|
|
SELECT
|
|
tz,
|
|
i64,
|
|
fromUnixTimestamp64Milli(i64, tz),
|
|
fromUnixTimestamp64Micro(i64, tz),
|
|
fromUnixTimestamp64Nano(i64, tz) as dt64,
|
|
toTypeName(dt64);
|
|
|
|
SELECT 'non-const column';
|
|
WITH
|
|
CAST(1234567891011 AS Int64) AS i64,
|
|
'UTC' AS tz
|
|
SELECT
|
|
i64,
|
|
fromUnixTimestamp64Milli(i64, tz),
|
|
fromUnixTimestamp64Micro(i64, tz),
|
|
fromUnixTimestamp64Nano(i64, tz) as dt64; |