On Fri, Mar 15, 2019 at 05:04:02AM +0100, Pavel Stehule wrote: > Hi > > I propose mentioned functions without specified separator. In this case the > string is transformed to array of chars, in second case, the array of chars > is transformed back to string. > > Comments, notes?
Whatever optimizations you have in mind for this, could they also work for string_to_array() and array_to_string() when they get an empty string handed to them? As to naming, some languages use explode/implode. Best, David. -- David Fetter <david(at)fetter(dot)org> http://fetter.org/ Phone: +1 415 235 3778 Remember to vote! Consider donating to Postgres: http://www.postgresql.org/about/donate