Re: [HACKERS] Sequences....

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От Ryan Bradetich
Тема Re: [HACKERS] Sequences....
Дата
Msg-id 199903160106.SAA10356@hpb50023.boi.hp.com
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Ответы Re: [HACKERS] Sequences....  (Tom Lane <tgl@sss.pgh.pa.us>)
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> Ryan Bradetich wrote:
> > > Back to my origional point .. I think we need another system table to map 
the
> > > sequence oid to the table's oid.  I've noticed this done with the 
inheritance,
> > > indexes, etc ... but I don't see a pg_sequence table.
> 
> Sounds good.
> 
> As long as a sequence can point to more than 
> one table/column combination.
> 
> Or, I guess, you can have the relationship 1-1 for
> the SERIAL type, but this should not prevent using
> sequences across more than one table if you don't use SERIAL.
> I often use a sequence for 3 or more tables in a system
> so that I can use 'generic' functions on the tables
> and produce reports without conficting primary keys..
> 
> :) Clark

Hmm.. Good points.... I'll make sure that doesn't happen.  Thanks for the tips. 
:)

-Ryan


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