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Revert "Revert "dateDiff: add support for plural units.""

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Han Fei 2023-08-24 17:11:58 +02:00 committed by GitHub
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4 changed files with 41 additions and 20 deletions
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20
docs/en/sql-reference/functions/date-time-functions.md
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@ -815,16 +815,16 @@ Aliases: `dateDiff`, `DATE_DIFF`, `timestampDiff`, `timestamp_diff`, `TIMESTAMP_
- `unit` — The type of interval for result. [String](../../sql-reference/data-types/string.md).
Possible values:
- `microsecond` (possible abbreviations: `us`, `u`)
- `millisecond` (possible abbreviations: `ms`)
- `second` (possible abbreviations: `ss`, `s`)
- `minute` (possible abbreviations: `mi`, `n`)
- `hour` (possible abbreviations: `hh`, `h`)
- `day` (possible abbreviations: `dd`, `d`)
- `week` (possible abbreviations: `wk`, `ww`)
- `month` (possible abbreviations: `mm`, `m`)
- `quarter` (possible abbreviations: `qq`, `q`)
- `year` (possible abbreviations: `yyyy`, `yy`)
- `microsecond` (possible abbreviations: `microseconds`, `us`, `u`)
- `millisecond` (possible abbreviations: `milliseconds`, `ms`)
- `second` (possible abbreviations: `seconds`, `ss`, `s`)
- `minute` (possible abbreviations: `minutes`, `mi`, `n`)
- `hour` (possible abbreviations: `hours`, `hh`, `h`)
- `day` (possible abbreviations: `days`, `dd`, `d`)
- `week` (possible abbreviations: `weeks`, `wk`, `ww`)
- `month` (possible abbreviations: `months`, `mm`, `m`)
- `quarter` (possible abbreviations: `quarters`, `qq`, `q`)
- `year` (possible abbreviations: `years`, `yyyy`, `yy`)
- `startdate` — The first time value to subtract (the subtrahend). [Date](../../sql-reference/data-types/date.md), [Date32](../../sql-reference/data-types/date32.md), [DateTime](../../sql-reference/data-types/datetime.md) or [DateTime64](../../sql-reference/data-types/datetime64.md).

20
src/Functions/dateDiff.cpp
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@ -381,25 +381,25 @@ public:
const auto & timezone_x = extractTimeZoneFromFunctionArguments(arguments, 3, 1);
const auto & timezone_y = extractTimeZoneFromFunctionArguments(arguments, 3, 2);
if (unit == "year" || unit == "yy" || unit == "yyyy")
if (unit == "year" || unit == "years" || unit == "yy" || unit == "yyyy")
impl.template dispatchForColumns<ToRelativeYearNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "quarter" || unit == "qq" || unit == "q")
else if (unit == "quarter" || unit == "quarters" || unit == "qq" || unit == "q")
impl.template dispatchForColumns<ToRelativeQuarterNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "month" || unit == "mm" || unit == "m")
else if (unit == "month" || unit == "months" || unit == "mm" || unit == "m")
impl.template dispatchForColumns<ToRelativeMonthNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "week" || unit == "wk" || unit == "ww")
else if (unit == "week" || unit == "weeks" || unit == "wk" || unit == "ww")
impl.template dispatchForColumns<ToRelativeWeekNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "day" || unit == "dd" || unit == "d")
else if (unit == "day" || unit == "days" || unit == "dd" || unit == "d")
impl.template dispatchForColumns<ToRelativeDayNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "hour" || unit == "hh" || unit == "h")
else if (unit == "hour" || unit == "hours" || unit == "hh" || unit == "h")
impl.template dispatchForColumns<ToRelativeHourNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "minute" || unit == "mi" || unit == "n")
else if (unit == "minute" || unit == "minutes" || unit == "mi" || unit == "n")
impl.template dispatchForColumns<ToRelativeMinuteNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "second" || unit == "ss" || unit == "s")
else if (unit == "second" || unit == "seconds" || unit == "ss" || unit == "s")
impl.template dispatchForColumns<ToRelativeSecondNumImpl<ResultPrecision::Extended>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "millisecond" || unit == "ms")
else if (unit == "millisecond" || unit == "milliseconds" || unit == "ms")
impl.template dispatchForColumns<ToRelativeSubsecondNumImpl<millisecond_multiplier>>(x, y, timezone_x, timezone_y, res->getData());
else if (unit == "microsecond" || unit == "us" || unit == "u")
else if (unit == "microsecond" || unit == "microseconds" || unit == "us" || unit == "u")
impl.template dispatchForColumns<ToRelativeSubsecondNumImpl<microsecond_multiplier>>(x, y, timezone_x, timezone_y, res->getData());
else
throw Exception(ErrorCodes::BAD_ARGUMENTS,

10
tests/queries/0_stateless/00538_datediff.reference
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@ -69,3 +69,13 @@ Additional test
1
1
1
-1
-7
-23
-104
-730
-17520
-1051200
-63072000
-63072000000
-63072000000000

11
tests/queries/0_stateless/00538_datediff.sql
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@ -74,3 +74,14 @@ SELECT dateDiff('second', toDateTime('2014-10-26 00:00:00', 'UTC'), toDateTime('
SELECT 'Additional test';
SELECT number = dateDiff('month', now() - INTERVAL number MONTH, now()) FROM system.numbers LIMIT 10;
SELECT dateDiff('years', toDate('2017-12-31'), toDate('2016-01-01'));
SELECT dateDiff('quarters', toDate('2017-12-31'), toDate('2016-01-01'));
SELECT dateDiff('months', toDateTime('2017-12-31'), toDateTime('2016-01-01'));
SELECT dateDiff('weeks', toDateTime('2017-12-31'), toDateTime('2016-01-01'));
SELECT dateDiff('days', toDateTime('2017-12-31'), toDateTime('2016-01-01'));
SELECT dateDiff('hours', toDateTime('2017-12-31'), toDateTime('2016-01-01'), 'UTC');
SELECT dateDiff('minutes', toDateTime('2017-12-31'), toDateTime('2016-01-01'), 'UTC');
SELECT dateDiff('seconds', toDateTime('2017-12-31'), toDateTime('2016-01-01'), 'UTC');
SELECT dateDiff('milliseconds', toDateTime('2017-12-31'), toDateTime('2016-01-01'), 'UTC');
SELECT dateDiff('microseconds', toDateTime('2017-12-31'), toDateTime('2016-01-01'), 'UTC');