Re: How to mimic Perl's DBD::Pg's do('COPY...')/pg_putline/pg_endcopy ?

Adrian Klaver <[email protected]>
Newsgroups gmane.comp.python.db.psycopg.devel
Message-ID <[email protected]>
On Wednesday 14 October 2009 6:34:28 am Kynn Jones wrote:
> Hi.  With Perl's counterpart of psycopg2, namely the DBD::Pg module, one
> can use PostgreSQL's COPY facility to write data directly to a database
> without the need to create an intermediate file.
>
> For example, the following selectively copies some records from a file into
> the table given by $table_name:
>
>     open my $in, '<', 'GI-NORMOUS.TXT' or die $!;
>     $dbh->do(qq(COPY "$table_name" $specs FROM stdin));
>     while (<$in>) {
>       next unless check($_);
>       $dbh->pg_putline(make_record($_));
>     }
>     $dbh->pg_endcopy;
>
> How can this functionality be achieved from psycopg2?  Can it be done
> without having to create an intermediate file?
>
> TIA!
>
> kynn

In the examples section of the unpacked tarball there are two examples, 
copy_to.py and copy_from.py.

-- 
Adrian Klaver
[email protected]
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