Re: Table partitioning problem

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От Jim Nasby
Тема Re: Table partitioning problem
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Msg-id 04931568-A1CA-4B5D-B907-E061713E1B54@nasby.net
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Ответ на Table partitioning problem  (Samba GUEYE <samba.gueye@intesens.com>)
Ответы Re: Table partitioning problem  (Samba GUEYE <samba.gueye@intesens.com>)
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On Mar 8, 2011, at 9:45 AM, Samba GUEYE wrote:
> I have a problem with table partitioning because i have a foreign key applied on the partionned table and it throw a
constraintviolation error during inserts. 
> I saw on the manual (http://www.postgresql.org/docs/8.4/interactive/ddl-inherit.html caveats section) that it's a
limitationdue to postgrsql table inheritance select queries performance are really bad without partitionning and i'm
lookingfor a workaround to this foreign key problem or another solution for improve performance for larges tables. 

Actually, this sounds more like having a foreign key pointed at a parent table in an inheritance tree; which flat-out
doesn'tdo what you'd want. 

Can you tell us what the foreign key constraint actually is, and what the inheritance setup for the tables in the FK
is?
--
Jim C. Nasby, Database Architect                   jim@nasby.net
512.569.9461 (cell)                         http://jim.nasby.net



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