Re: quoting psql varible as identifier

2010/1/21 Robert Haas <robertmhaas@gmail.com>:
> On Thu, Jan 21, 2010 at 12:53 PM, Pavel Stehule <pavel.stehule@gmail.com> wrote:
>> add to state structure field like lexer_error. This field will be
>> checked before execution
>> it could be ugly for metacommands, there will be lot of new checks :(
>
> Eh?  The only places where we should need new tests are the places
> that check PQExpBufferBroken() now - there are only 6 calls to that
> function in src/bin/psql and not all of them need to be changed.  The
> places that do need to be changed will need to be modified to check
> PQExpBufferBroken() || lexer_coughed_up_a_lung.

no, it is only 6 calls because we don't check psql_scan_slash_option result.

When we don't allow escaping syntax in slash statement, then it could be simple.

we have to do some like:

if buffer_is_broken(..)
  report "out of memory"
else if global_error != true
  do ....
end if

Pavel


>
> It should be possible to do this pretty simply, I think.
>
> ...Robert
>