Re: Mysql -> Postgresql pitfalls
От | Chad N. Tindel |
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Тема | Re: Mysql -> Postgresql pitfalls |
Дата | |
Msg-id | 20030804192948.GA48747@calma.pair.com обсуждение исходный текст |
Ответ на | Re: Mysql -> Postgresql pitfalls ("scott.marlowe" <scott.marlowe@ihs.com>) |
Список | pgsql-docs |
> > > FWIW, in 7.5 we're likely to implement SQL3 IDENTITY columns ... basically > > > just a SERIAL column where you don't have the option of inserting your own > > > value, you have to take what it gives you. > > > > Interesting... how do you import data from a dump with such columsn? > > Easy, after you import the last row, you > > select setval('seqname',lastvalue); > > on the sequence. Like I said above, it's mostly just a different way of > doing things in Postgresql, and often those different ways are less > obvious, and quite often, being less obvious is actually safer even if > it is a littler harder to learn up front. But you just said that I can't actually include the id column in an insert query. So how would I import data from a dump and ensure that the id columns are what I expect them to be? Chad
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