Re: dat names generated by pg_dump

On 09/02/2018 09:26 PM, Tom Lane wrote:
> Ron <ronljohnsonjr@gmail.com> writes:
>> I can associate these dat names with their source tables through a bunch of
>> bash and vim manual operations, but I was wondering if there's any automated
>> method (maybe some SQL query of some catalog table; pg_class didn't seem to
>> have the relevant data) of making the association.
> Those numbers are the "dump object IDs" generated by pg_dump.  They don't
> have any significance on the server side, and typically would vary from
> one pg_dump run to another.  You have to look at the dump TOC (table of
> contents) to figure out what corresponds to what.  For example,
>
> $ pg_dump -Fd -f dumpd regression
> $ ls -1 dumpd
> 6143.dat.gz
> 6144.dat.gz
> 6145.dat.gz
> ...
> blob_3001.dat.gz
> blobs.toc
> toc.dat
> $ pg_restore -l dumpd
> ;
> ; Archive created at 2018-09-02 22:14:48 EDT
> ...
> 6573; 2613 119655 BLOB - 119655 postgres

Thanks. That's exactly what I needed.

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