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https://github.com/ClickHouse/ClickHouse.git
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50 lines
2.5 KiB
SQL
50 lines
2.5 KiB
SQL
SET allow_deprecated_snowflake_conversion_functions = 1; -- Force-enable deprecated snowflake conversion functions (in case this is randomized in CI)
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SET session_timezone = 'Africa/Juba';
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-- Error cases
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SELECT dateTimeToSnowflake(); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
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SELECT dateTime64ToSnowflake(); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
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SELECT dateTimeToSnowflake('abc'); -- {serverError ILLEGAL_TYPE_OF_ARGUMENT}
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SELECT dateTime64ToSnowflake('abc'); -- {serverError ILLEGAL_TYPE_OF_ARGUMENT}
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SELECT dateTimeToSnowflake('abc', 123); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
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SELECT dateTime64ToSnowflake('abc', 123); -- {serverError NUMBER_OF_ARGUMENTS_DOESNT_MATCH}
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SELECT dateTimeToSnowflake(now()) SETTINGS allow_deprecated_snowflake_conversion_functions = 0; -- { serverError DEPRECATED_FUNCTION }
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SELECT dateTime64ToSnowflake(now64()) SETTINGS allow_deprecated_snowflake_conversion_functions = 0; -- { serverError DEPRECATED_FUNCTION }
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SELECT '-- const / non-const inputs';
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WITH toDateTime('2021-08-15 18:57:56', 'Asia/Shanghai') AS dt
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SELECT dt, dateTimeToSnowflake(dt), materialize(dateTimeToSnowflake(dt));
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WITH toDateTime64('2021-08-15 18:57:56.492', 3, 'Asia/Shanghai') AS dt64
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SELECT dt64, dateTime64ToSnowflake(dt64), materialize(dateTime64ToSnowflake(dt64));
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SELECT '-- different DateTime64 scales';
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WITH toDateTime64('2021-08-15 18:57:56.492', 0, 'UTC') AS dt64_0,
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toDateTime64('2021-08-15 18:57:56.492', 1, 'UTC') AS dt64_1,
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toDateTime64('2021-08-15 18:57:56.492', 2, 'UTC') AS dt64_2,
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toDateTime64('2021-08-15 18:57:56.492', 3, 'UTC') AS dt64_3,
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toDateTime64('2021-08-15 18:57:56.492', 4, 'UTC') AS dt64_4
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SELECT dateTime64ToSnowflake(dt64_0),
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dateTime64ToSnowflake(dt64_1),
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dateTime64ToSnowflake(dt64_2),
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dateTime64ToSnowflake(dt64_3),
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dateTime64ToSnowflake(dt64_4);
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-- DateTime64-to-Snowflake-to-DateTime64 is idempotent *if* the scale is <=3 (millisecond precision)
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WITH now64(0, 'UTC') AS dt64_0,
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now64(1, 'UTC') AS dt64_1,
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now64(2, 'UTC') AS dt64_2,
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now64(3, 'UTC') AS dt64_3
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SELECT snowflakeToDateTime64(dateTime64ToSnowflake(dt64_0), 'UTC') == dt64_0,
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snowflakeToDateTime64(dateTime64ToSnowflake(dt64_1), 'UTC') == dt64_1,
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snowflakeToDateTime64(dateTime64ToSnowflake(dt64_2), 'UTC') == dt64_2,
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snowflakeToDateTime64(dateTime64ToSnowflake(dt64_3), 'UTC') == dt64_3;
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WITH toDateTime64('2023-11-11 11:11:11.1231', 4, 'UTC') AS dt64_4
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SELECT dt64_4, snowflakeToDateTime64(dateTime64ToSnowflake(dt64_4), 'UTC'); -- not idempotent
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