From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | "G(dot) Anthony Reina" <reina(at)nsi(dot)edu> |
Cc: | "pgsql-hackers(at)postgreSQL(dot)org" <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: ERROR: cannot open relation center_out_analog_proc |
Date: | 2001-03-06 21:50:53 |
Message-ID: | 7647.983915453@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
"G. Anthony Reina" <reina(at)nsi(dot)edu> writes:
> Tom Lane wrote:
>> You can't roll back a DROP TABLE under pre-7.1 releases (and 7.0 has
>> a big fat warning notice to tell you so!). The physical table file
>> is deleted immediately by the DROP, so rolling back the system catalog
>> changes doesn't get you back to a working table.
> Okay, so then you are saying that even though the DROP TABLE and ALTER
> TABLE RENAME went through correctly, the line after that bombed out,
> tried to rollback the transaction, and gave me the error?
Right. The system catalogs roll back just fine, but the Unix filesystem
doesn't know from rollbacks.
> I definitely missed that warning. Are there any big warnings for things
> that don't work so well within a transaction (BEGIN WORK; COMMIT WORK)?
ALTER TABLE RENAME is another one...
This is all fixed in 7.1 btw.
regards, tom lane
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