Adrian Klaver <adrian.kla...@aklaver.com> wrote: >> >> NULL concat with a value returns NULL. You can avoid that using >> COALESCE(value, ''), that returns the value, or, if the value NULL, ''. > > > http://www.postgresql.org/docs/9.5/interactive/functions-string.html > " > concat(str "any" [, str "any" [, ...] ]) text Concatenate the text > representations of all the arguments. NULL arguments are ignored. > "
you are right, my fault :-(, muddled with the || - operator. Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889° -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
