Re: select first occurrence of a table
От | Erik Ronström |
---|---|
Тема | Re: select first occurrence of a table |
Дата | |
Msg-id | 20030502173308.44115.qmail@web13806.mail.yahoo.com обсуждение исходный текст |
Ответ на | select first occurrence of a table ("Johnson, Shaunn" <SJohnson6@bcbsm.com>) |
Ответы |
Re: select first occurrence of a table
Status of OIDs was: Re: select first occurrence of a table |
Список | pgsql-general |
> I have a table that happens to have a some > duplicate entries in it (entire rows). I would like > to update one row and change one thing > about it, but it seems that I need a unique value > to do it; otherwise, I wind up changing multiple > rows. If the table has OIDs (which is the default), you can use the OID as a unique identifier for a row. But then you'll have to perform two queries: SELECT oid FROM table WHERE ... LIMIT 1; UPDATE table SET ... WHERE oid = ...; Erik __________________________________________________ Yahoo! Plus For a better Internet experience http://www.yahoo.co.uk/btoffer
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