Tom Lane <t...@sss.pgh.pa.us> wrote: > itag...@postgresql.org (Takahiro Itagaki) writes: > This syntax synopsis is completely nuts: > DO { [ LANGUAGE lang_name ] | code } ... > > I think that it would be logically correct without the square brackets,
Oops, that's correct. > but as a matter of clarity I really doubt it's an improvement over the > original. We cannot write down the accurate syntax with BNF, right? We can have 0..1 "LANGUAGE lang_name", but must have just 1 "code" in any order. How about the following description? DO [ LANGUAGE lang_name ] code because the psql tab completion adds LANGUAGE just after DO. Regards, --- Takahiro Itagaki NTT Open Source Software Center -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers