This really helps.
But I modified your code to:
public static Field<Integer> myExtract(String part, Field<Timestamp>
timestamp) {
return DSL.field("extract({0} from {1})", Integer.class, DSL.keyword
(part), timestamp).as(part);
}
because I want to get extracted value from results by alias.
Thank you, Lukas!
понедельник, 8 июня 2015 г., 15:17:14 UTC+4 пользователь Lukas Eder написал:
>
> Hello,
>
> We have a feature request on the roadmap asking for additional DateParts
> to be supported:
> https://github.com/jOOQ/jOOQ/issues/2132
>
> For the time being, please use "plain SQL" as documented here:
> http://www.jooq.org/doc/latest/manual/sql-building/plain-sql
>
> For instance:
>
> public static Field<Integer> myExtract(String part, Field<Timestamp>
> timestamp) {
> return DSL.field("extract({0} from {1})", Integer.class,
> DSL.keyword(part), timestamp);
> }
>
>
> Hope this helps,
> Lukas
>
> 2015-06-08 12:21 GMT+02:00 Oleg Oleynik <[email protected]
> <javascript:>>:
>
>> Hi All!
>>
>> In PostgreSQL I can extract from TIMESTAMP in many ways:
>> century, day, decade, dow, doy, epoch, hour, isodow, isoyear,
>> microseconds, millennium, milliseconds, minute, month, quarter, second,
>> timezone, timezone_hour, timezone_minute, week, year.
>>
>> But in JOOQ DatePart enum contains only YEAR, MONTH, DAY, HOUR, MINUTE,
>> SECOND.
>>
>> Enums in Java are final so I can't override DatePart for adding necessary
>> values.
>>
>> Is there way to extract other values, when I use JOOQ + PostgreSQL?
>>
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