>>>>> "Tom" == Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> writes:
>> My inclination is to fix this in the planner rather than the
>> executor; there seems no good reason to actually hash a duplicate
>> column more than once.
Tom> Sounds reasonable --- but would it make sense to introduce some
Tom> assertions, or other cheap tests, into the executor to check that
Tom> it's not being given a case it can't handle?
Oh definitely, I was planning on it.
--
Andrew (irc:RhodiumToad)