Re: Hash joins vs small-integer join values - Mailing list pgsql-hackers

Tom,
> The problem is that this is not a back-patchable
> answer, because changing the hash functions would corrupt existing hash
> indexes.  

Does anyone *use* hash indexes?

> Comments, better ideas?

I was just talking to Luke today and he said they had a considerable 
amount of cleanup on hash join they were planning to contribute for 8.4.   Luke?


--Josh