Karl Wright <kwright(at)metacarta(dot)com> writes:
> and then I installed 8.1, and attempted the following:
> pg_restore --file dbsnapshot --format=t --table=ingeststatus -a
> But, I get the following error:
> pg_restore: [tar archiver] could not find header for file toc.dat in tar
Oh, I'm overthinking the problem. You left out some details here,
right? Like it sat and did nothing until you hit control-D?
The above command is wrong because --file is an *output* switch for
pg_restore --- it would have tried to read a tar archive from stdin,
and the "could not find header" complaint is what you get when it hits
immediate EOF and the tar format has been forced on the command line.
(You would have gotten a more recognizable complaint without --format=t,
which is redundant anyway.) Fortunately, it doesn't seem to try to
write the output file right away, so the dumpfile didn't get trashed.
Correct usage would be something like
pg_restore --table=ingeststatus -a dbsnapshot >restore.sql
or add -d etc switches to issue SQL directly to the target database.
regards, tom lane
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