From: Tom Lane [mailto:t...@sss.pgh.pa.us]: > Kyle Gearhart <kyle.gearh...@indigohill.io> writes: >> The guts of pqRowProcessor in libpq does a good bit of work to maintain the >> internal data structure of a PGresult. There are a few use cases where the >> caller doesn't need the ability to access the result set row by row, column >> by column using PQgetvalue. Think of an ORM that is just going to copy the >> data from PGresult for each row into its own structures.
> It seems like you're sort of reinventing "single row mode": https://www.postgresql.org/docs/devel/static/libpq-single-row-mode.html > Do we really need yet another way of breaking the unitary-query-result > abstraction? If it's four times faster...then the option should be available in libpq. I'm traveling tomorrow but will try to get a patch and proof with pgbench dataset up by the middle of the week. The performance gains are consistent with Jim Nasby's findings with SPI. Kyle Gearhart -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
