Robert Haas

Each release of PostgreSQL features dozens, if not hundreds, of small improvements over the previous release; and a few really major new fea...

PostgreSQL 9.0 will feature a new setting, currently called wal_level (we still have a ways to go before the final release, so that could ch...

About 9 months ago, Peter Eisentraut reported on the results of a UserVoice survey he had set up. The purpose of the survey was to gathe...

Some plan types, such as nested loops and, to a lesser degree, merge joins, rely on the ability to "rescan" their inner input. Re...

One of the few types of SQL query that we don't yet implement in PostgreSQL is LATERAL, and we seem to get fairly regular requests for i...

Quite a few people seemed to like my talk on the PostgreSQL Query Planner at PostgresSQL East , and I got a few requests for copies of my s...