Re: [PATCH]-hash index improving

Xiao Meng escribió:
> The patch store hash code only in the index tuple.
> It based on  Neil Conway's patch with an old version of PostgreSQL.
> It passes the regression test but I didn't test the performance yet.
> Anyone interested can make a performance test;-)
> You can undefine the macro HASHVALUE_ONLY in hash.h to get the
> original implementation.

I think having the HASHVALUE_ONLY define is not a good idea -- it just
makes the patch harder to read.  I suggest just removing the old code
and putting the new code in place.  (That's why we have revision
control.)


-- 
Alvaro Herrera                                http://www.CommandPrompt.com/
The PostgreSQL Company - Command Prompt, Inc.