Re: Fix for VACUUM in psql autocommit off

"Michael Paesold" <mpaesold@gmx.at> writes:
>  Or do I not understand what you mean by nested
> comments? (There is code for ignore /* .. */ before the first keyword.)

Per SQL spec, the backend thinks that /* .. */ nests:

regression=# /* some /* comment */ comment */ select 1;
 ?column?
----------
        1
(1 row)

As it stands, is_transact_command will get confused by this.

> Any suggestion how to that? I can think of a way myself, but it may not be
> the best, as I don't consider C my natural language. I can try, or does
> anyone else feel inclined to fix this?

I'd split out the code that locates "the next keyword" into a separate
function that could be called twice.

            regards, tom lane