提交 c7dd089e authored 作者: Stéphane Eintrazi's avatar Stéphane Eintrazi

Implement 'YEAR' in 'DATE_TRUNC'

上级 493a7e8b
......@@ -464,14 +464,13 @@ public final class DateTimeFunctions {
long yearForQuarter = DateTimeUtils.yearFromDateValue(dateValue);
int monthForQuarter = DateTimeUtils.monthFromDateValue(dateValue);
if(monthForQuarter >= 10) {
if (monthForQuarter >= 10) {
monthForQuarter = 10;
}else if (monthForQuarter >= 7) {
} else if (monthForQuarter >= 7) {
monthForQuarter = 7;
}else if(monthForQuarter >= 4) {
} else if (monthForQuarter >= 4) {
monthForQuarter = 4;
}else {
} else {
monthForQuarter = 1;
}
......@@ -479,6 +478,13 @@ public final class DateTimeFunctions {
timeNanos = 0l;
break;
case YEAR:
long yearForYear = DateTimeUtils.yearFromDateValue(dateValue);
dateValue = DateTimeUtils.dateValue(yearForYear, 1, 1);
timeNanos = 0l;
break;
}
if (timeNanos == null) {
......
......@@ -818,18 +818,63 @@ SELECT DATE_TRUNC('quarter', '2015-12-29 15:14:13');
SELECT DATE_TRUNC('QUARTER', '2015-12-29 15:14:13');
>> 2015-10-01 00:00:00
--
-- Test unhandled time unit
-- Test time unit 'YEAR'
--
SELECT DATE_TRUNC('---', '2015-05-29 15:14:13');
> exception
select DATE_TRUNC('year', time '00:00:00');
>> 1970-01-01 00:00:00
select DATE_TRUNC('YEAR', time '00:00:00');
>> 1970-01-01 00:00:00
select DATE_TRUNC('year', time '15:14:13');
>> 1970-01-01 00:00:00
select DATE_TRUNC('YEAR', time '15:14:13');
>> 1970-01-01 00:00:00
select DATE_TRUNC('year', date '2015-05-28');
>> 2015-01-01 00:00:00
select DATE_TRUNC('YEAR', date '2015-05-28');
>> 2015-01-01 00:00:00
select DATE_TRUNC('year', timestamp '2015-05-29 15:14:13');
>> 2015-01-01 00:00:00
select DATE_TRUNC('YEAR', timestamp '2015-05-29 15:14:13');
>> 2015-01-01 00:00:00
select DATE_TRUNC('year', timestamp with time zone '2015-05-29 15:14:13');
>> 2015-01-01 00:00:00+00
select DATE_TRUNC('YEAR', timestamp with time zone '2015-05-29 15:14:13');
>> 2015-01-01 00:00:00+00
select DATE_TRUNC('year', timestamp with time zone '2015-05-29 05:14:13-06');
>> 2015-01-01 00:00:00-06
select DATE_TRUNC('YEAR', timestamp with time zone '2015-05-29 05:14:13-06');
>> 2015-01-01 00:00:00-06
select DATE_TRUNC('year', timestamp with time zone '2015-05-29 15:14:13+10');
>> 2015-01-01 00:00:00+10
select DATE_TRUNC('YEAR', timestamp with time zone '2015-05-29 15:14:13+10');
>> 2015-01-01 00:00:00+10
SELECT DATE_TRUNC('year', '2015-05-29 15:14:13');
> exception
>> 2015-01-01 00:00:00
SELECT DATE_TRUNC('YEAR', '2015-05-29 15:14:13');
>> 2015-01-01 00:00:00
--
-- Test unhandled time unit
--
SELECT DATE_TRUNC('---', '2015-05-29 15:14:13');
> exception
SELECT DATE_TRUNC('decade', '2015-05-29 15:14:13');
......
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