mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-04 05:22:17 +00:00
75 lines
2.8 KiB
SQL
75 lines
2.8 KiB
SQL
SET session_timezone = 'UTC'; -- disable timezone randomization
|
|
SET allow_experimental_analyzer = 1; -- The old path formats the result with different whitespaces
|
|
|
|
SELECT '-- Negative tests';
|
|
SELECT dateTimeToSnowflakeID(); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
|
|
SELECT dateTime64ToSnowflakeID(); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
|
|
SELECT dateTimeToSnowflakeID('invalid_dt'); -- {serverError ILLEGAL_TYPE_OF_ARGUMENT}
|
|
SELECT dateTime64ToSnowflakeID('invalid_dt'); -- {serverError ILLEGAL_TYPE_OF_ARGUMENT}
|
|
SELECT dateTimeToSnowflakeID(now(), 'invalid_epoch'); -- {serverError ILLEGAL_TYPE_OF_ARGUMENT}
|
|
SELECT dateTime64ToSnowflakeID(now64(), 'invalid_epoch'); -- {serverError ILLEGAL_TYPE_OF_ARGUMENT}
|
|
SELECT dateTimeToSnowflakeID(now(), 42, 'too_many_args'); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
|
|
SELECT dateTime64ToSnowflakeID(now64(), 42, 'too_many_args'); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
|
|
|
|
SELECT '-- Return type';
|
|
SELECT toTypeName(dateTimeToSnowflakeID(now()));
|
|
SELECT toTypeName(dateTime64ToSnowflakeID(now64()));
|
|
|
|
SELECT '-- Standard and twitter epoch';
|
|
|
|
WITH
|
|
toDateTime('2021-08-15 18:57:56') AS dt,
|
|
toDateTime64('2021-08-15 18:57:56.492', 3) AS dt64,
|
|
1288834974657 AS twitter_epoch
|
|
SELECT
|
|
dt,
|
|
dt64,
|
|
dateTimeToSnowflakeID(dt),
|
|
dateTime64ToSnowflakeID(dt64),
|
|
dateTimeToSnowflakeID(dt, twitter_epoch),
|
|
dateTime64ToSnowflakeID(dt64, twitter_epoch)
|
|
FORMAT
|
|
Vertical;
|
|
|
|
SELECT '-- Different DateTime64 scales';
|
|
|
|
WITH
|
|
toDateTime64('2021-08-15 18:57:56.492', 0, 'UTC') AS dt64_0,
|
|
toDateTime64('2021-08-15 18:57:56.492', 1, 'UTC') AS dt64_1,
|
|
toDateTime64('2021-08-15 18:57:56.492', 2, 'UTC') AS dt64_2,
|
|
toDateTime64('2021-08-15 18:57:56.492', 3, 'UTC') AS dt64_3,
|
|
toDateTime64('2021-08-15 18:57:56.492', 4, 'UTC') AS dt64_4
|
|
SELECT
|
|
dateTime64ToSnowflakeID(dt64_0),
|
|
dateTime64ToSnowflakeID(dt64_1),
|
|
dateTime64ToSnowflakeID(dt64_2),
|
|
dateTime64ToSnowflakeID(dt64_3),
|
|
dateTime64ToSnowflakeID(dt64_4)
|
|
Format
|
|
Vertical;
|
|
|
|
SELECT '-- Idempotency';
|
|
|
|
-- DateTime64-to-SnowflakeID-to-DateTime64 is idempotent if the scale is <=3 (millisecond precision)
|
|
WITH
|
|
now64(0) AS dt64_0,
|
|
now64(1) AS dt64_1,
|
|
now64(2) AS dt64_2,
|
|
now64(3) AS dt64_3
|
|
SELECT
|
|
snowflakeIDToDateTime64(dateTime64ToSnowflakeID(dt64_0), 0, 'UTC') == dt64_0,
|
|
snowflakeIDToDateTime64(dateTime64ToSnowflakeID(dt64_1), 0, 'UTC') == dt64_1,
|
|
snowflakeIDToDateTime64(dateTime64ToSnowflakeID(dt64_2), 0, 'UTC') == dt64_2,
|
|
snowflakeIDToDateTime64(dateTime64ToSnowflakeID(dt64_3), 0, 'UTC') == dt64_3
|
|
FORMAT
|
|
Vertical;
|
|
|
|
-- not idempotent
|
|
WITH
|
|
toDateTime64('2023-11-11 11:11:11.1231', 4, 'UTC') AS dt64_4
|
|
SELECT
|
|
dt64_4,
|
|
snowflakeIDToDateTime64(dateTime64ToSnowflakeID(dt64_4))
|
|
FORMAT
|
|
Vertical;
|