Marius Andreiana <marius@wdg.ro> writes:
> I've seen this behavior on sybase's sqsh once, perhaps it's something
> system wide, and not psql's fault?
Tab triggers word completion in psql. If you don't want this, disable
readline support when you start psql (psql -n). It might be possible
to turn off word completion without losing other readline features;
not sure.
regards, tom lane
