Re: [HACKERS] FOREIGN KEY and shift/reduce

Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Also, I am using flex 2.5.4, and an seeing no shift-reduce errors from
> the current gram.y.

You wouldn't, because the critical item is still commented out.
           | REFERENCES ColId opt_column_list key_match key_actions                {                   /* XXX
        *    Need ConstraintAttributeSpec as $6 -- Jan                    */
 

If you add ConstraintAttributeSpec to the end of this production,
it fails...
        regards, tom lane