| From: | Stephen Frost <sfrost(at)snowman(dot)net> |
|---|---|
| To: | Dan Kortschak <dan(dot)kortschak(at)adelaide(dot)edu(dot)au> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: `must be superuser to COPY to or from a file' - using perl DBI - approaches to work around this |
| Date: | 2009-10-13 00:21:06 |
| Message-ID: | 20091013002106.GY17756@tamriel.snowman.net |
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| Thread: | |
| Lists: | pgsql-general |
* Dan Kortschak (dan(dot)kortschak(at)adelaide(dot)edu(dot)au) wrote:
> $dbh->do("COPY chromosome_data FROM '".chromosomes(\%options)."' CSV");
> Does anyone have any suggestions (the least bad of the options above
> seems to be to use psql, but I think that is ugly)?
perldoc DBD::Pg
Read the 'COPY support' section.
> Also, can anyone suggest why it is possible to create a database but not
> COPY to/from a file as a non-superuser?
When a COPY statement which references a file is sent to the backend,
the *backend* PG process will try to open the file and read from it-
hence you have to be a PG superuser. The '\copy' that psql provides
actually sends a 'COPY .. FROM STDIN' to the server, just like the
DBD::Pg COPY support.
Thanks,
Stephen
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