Re: psql misbehaves because of a simple typo

> Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> > OK, so what do we want to do? Clearing the buffer on a any backslash
> > command is clearly not what we want to do. Should we clear the buffer
> > on a backslash command _only_ if the number of paren's is not even? If
> > we don't clear the counter on a backslash command with uneven parens, do
> > we risk trapping people in psql?
>
> "Trap"? AFAIK \q works in any case.
>
> \r should reset both the buffer and the counter, and seems to do so,
> though I'm not quite seeing where it manages to accomplish the latter
> (command.c only resets query_buf). \e should probably provoke a
> recomputation of paren_level after the edit occurs. Offhand I do not
> think that any other backslash commands should reset either the buffer
> or the counter. Peter, your thoughts?

OK, here is a patch for 7.3. It clears the paren counter only when the
buffer is cleared. Forget what I said about recomputing quotes. You
can't use backslash commands while you are in quotes.

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