| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | fathi(dot)engineer(at)gnet(dot)tn |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Netsted views working on same set of data on 8.1.21 but not on 8.4.4 |
| Date: | 2010-08-02 14:10:06 |
| Message-ID: | 15592.1280758206@sss.pgh.pa.us |
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| Lists: | pgsql-general |
<fathi(dot)engineer(at)gnet(dot)tn> writes:
> I have migrated a 5 years old database from 8.1.21 running on top of centos 5.5 on an i686 to 8.4.4 running on top of centos on an x86_64 architecture.
> I have some nested views and i am still able to get the results on 8.1.21 but when it comes to 8.4.4, I can get the results only from views that references other tables but the views references other views, I get an empty result set.
> Here is the output of explain on the two different machines. Can someone help me please:
Not with that amount of information. If you can provide a
self-contained test case that produces different results on 8.1 and 8.4,
we could look into it. See
http://www.postgresql.org/docs/8.4/static/bug-reporting.html
regards, tom lane
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