Re: [PATCH] COPY .. COMPRESSED
Andrew Dunstan <andrew@dunslane.net>
From: Andrew Dunstan <andrew@dunslane.net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Stephen Frost <sfrost@snowman.net>, Bruce Momjian <bruce@momjian.us>, Peter Eisentraut <peter_e@gmx.net>, pgsql-hackers@postgresql.org
Date: 2013-01-15T23:33:19Z
Lists: pgsql-hackers
On 01/15/2013 06:22 PM, Tom Lane wrote: > Stephen Frost <sfrost@snowman.net> writes: >> Perhaps I'm taking a bit too narrow view of the world, but my thinking >> is OLTP won't want things compressed, as it increases latency of >> requests, while OLAP users are operating with enough data that they'll >> go through the effort to use COPY. > Also, if there are so many people using COPY in their apps, why have we > never seen any submitted patches to extend libpq with functions to > construct/deconstruct COPY data? Surely somebody would have said to > themselves that they shouldn't be responsible for knowing those escaping > rules. There are perfectly good libraries in Perl and other languages for constructing/deconstructing CSV data. If we didn't have CSV import/export I suspect we would have heard lots more howls by now. cheers andrew