Re: Alias "all fields"?
От | Tino Wildenhain |
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Тема | Re: Alias "all fields"? |
Дата | |
Msg-id | 46DFF68C.1060003@wildenhain.de обсуждение исходный текст |
Ответ на | Alias "all fields"? (Stefan Schwarzer <stefan.schwarzer@grid.unep.ch>) |
Список | pgsql-general |
Stefan Schwarzer schrieb: > Hi there, > > I guess I am demanding too much.... But it would be cool to have some > kind of alias for "all fields". > > What I mean is this here: > > Instead of this: > > SELECT * FROM gdp WHERE y1970 NOT NULL AND y1971 NOT NULL AND > .... y2005 NOT NULL > > I would like to have this: > > SELECT * FROM gdp WHERE all-fields NOT NULL > > This is, because my tables have different - and a different number of > fields. > > In principal, I actually just want to have the number of fields which > are NOT NULL... Well, this seems more a matter of correct normalization. If you organize your tables to have a column for the year, you would just not have "empty" years to select. Problem solved. Last not least you can easily count the existing years and whatnot... Regards Tino
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