updated version, concat function doesn't use separator Pavel
2010/3/9 Pavel Stehule <[email protected]>: > 2010/3/9 Merlin Moncure <[email protected]>: >> On Tue, Mar 9, 2010 at 9:30 AM, Pavel Stehule <[email protected]> >> wrote: >>> postgres=# select concat('ahaha',10,null,current_date, true); >>> concat >>> ------------------------ >>> ahaha,10,,2010-03-09,t >> >> why are there commas in the output? >> > > I though so comma can be default separator - but I see - it is wrong - > separator have to be empty string. > > Pavel > > >> merlin >> >
stringfunc.diff
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