On 05.02.24 15:32, Dagfinn Ilmari Mannsåker wrote: > Once the function is declared strict, I don't think either of these is > necessary: function strictness is tested elsewhere, and it's the default > behaviour. The only functions that explicitly say they return NULL on > NULL inputs are quote_literal (because you might expect it to return the > string 'NULL', but there's qoute_nullable for that) and xmlexists (which > I don't see any particular reason for). > > - ilmari > > +1 Yes, if the function was strict (which in the current design is not the case) there is no need to check for nulls.
-- Jim
