Re: [GENERAL] max(oid)
От | Bruce Momjian |
---|---|
Тема | Re: [GENERAL] max(oid) |
Дата | |
Msg-id | 200001230318.WAA02830@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: [GENERAL] max(oid) (Peter Eisentraut <peter_e@gmx.net>) |
Список | pgsql-general |
Got it. TODO updated. [Charset ISO-8859-1 unsupported, filtering to ASCII...] > On 2000-01-21, Bruce Momjian mentioned: > > > > Is there a way to use the max aggregate on an oid field? When I try on > > > 6.5.3, I get the following error message: > > > > > > test=> select max(uid) from user_base; > > > ERROR: Unable to select an aggregate function max(oid) > > > > > > If there's any work-around, please let me know. > > > Marc > > > > > > > Added to TODO: > > > > * allow aggregates on oid > > We already had a TODO item for this and came to the conclusion that > * Make type equivalency apply to aggregates > will solve this. > > For right now the user could do the following: > > INSERT INTO pg_aggregate VALUES ('max', <your user id>, 'int4larger', '-', > '-', 26, 26, 0, 26, NULL, NULL); > > -- > Peter Eisentraut Sernanders v_g 10:115 > peter_e@gmx.net 75262 Uppsala > http://yi.org/peter-e/ Sweden > > > -- Bruce Momjian | http://www.op.net/~candle pgman@candle.pha.pa.us | (610) 853-3000 + If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill, Pennsylvania 19026
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