atttypmod

I have applied a patch to pass atttypmod all the way through to the
executor.  This removes some of the hacks for select into table for
char(), and cleans up the code quite a bit.

I have added typmod to Resdom and Var, and this allows its use in
TupleDescInitEntry.

-- 
Bruce Momjian
maillist@candle.pha.pa.us