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* 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
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SELECT toUnixTimestamp64Milli(); -- {serverError 42}
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SELECT toUnixTimestamp64Micro(); -- {serverError 42}
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SELECT toUnixTimestamp64Nano(); -- {serverError 42}
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SELECT toUnixTimestamp64Milli('abc'); -- {serverError 43}
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SELECT toUnixTimestamp64Micro('abc'); -- {serverError 43}
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SELECT toUnixTimestamp64Nano('abc'); -- {serverError 43}
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SELECT toUnixTimestamp64Milli('abc', 123); -- {serverError 42}
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SELECT toUnixTimestamp64Micro('abc', 123); -- {serverError 42}
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SELECT toUnixTimestamp64Nano('abc', 123); -- {serverError 42}
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SELECT 'const column';
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WITH toDateTime64('2019-09-16 19:20:12.345678910', 3) AS dt64
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SELECT dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
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WITH toDateTime64('2019-09-16 19:20:12.345678910', 6) AS dt64
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SELECT dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
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WITH toDateTime64('2019-09-16 19:20:12.345678910', 9) AS dt64
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SELECT dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
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SELECT 'non-const column';
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WITH toDateTime64('2019-09-16 19:20:12.345678910', 3) AS x
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SELECT materialize(x) as dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
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WITH toDateTime64('2019-09-16 19:20:12.345678910', 6) AS x
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SELECT materialize(x) as dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
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WITH toDateTime64('2019-09-16 19:20:12.345678910', 9) AS x
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SELECT materialize(x) as dt64, toUnixTimestamp64Milli(dt64), toUnixTimestamp64Micro(dt64), toUnixTimestamp64Nano(dt64);
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