Joshua
Thank you very much for answering these various questions.
I guess the compressed format is the best overall solution, except for roles. I find myself having a table with other
informationabout users (application specific user type, etc) so perhaps the thing to do is record enough information
thereto reconstruct the roles should that become necessary.
Can pg_dump dump roles to plain text? How does pg_dumpall do it, doesn't it do everything via pg_dump?
John
On Mon, 25 Aug 2008 10:47:11 -0700, Joshua Drake wrote:
>On Mon, 25 Aug 2008 13:37:13 -0400
>"John T. Dow" <john@johntdow.com> wrote:
>
>> Joshua
>>
>> The TOC feature sounds good, as does converting a single table to
>> plain text.
>>
>> But I can't find documentation for the TOC feature under pg_dump or
>> pg_restore. I'm looking in postgresql-8.2.1-US.pdf.
>
>The commands you are looking for are:
>
>pg_restore -l to get the toc
>pg_restore -L to use the toc
>
>If you open the resulting file from something like pg_restore -l >
>foo.toc it is just a plain text list of objects to restore.
>
>I don't know how well it is documented but I am sure we would accept a
>patch.
>
>>
>> Neither could I see anything about converting a single table to a
>> plain text dump.
>
>pg_restore allows you to do so. Something like:
>
>pg_restore foo.sqlc --file=foo.sql
>
>>
>> Also, I stumbled across the statement that you can't restore large
>> objects for a single table. Is that true?
>
>Large objects are stored in a central table called pg_largeobject, so
>yes that would be accuarate.
>
>
>>
>> Another thing I couldn't find was how to dump roles using -Fc.
>>
>
>You can't; that is a known and irritating limitation.
>
>Sincerely,
>
>Joshua D. Drake
>
>
>
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