Alexander Korotkov <aekorot...@gmail.com> writes: > On Sun, Mar 4, 2012 at 5:38 AM, Tom Lane <t...@sss.pgh.pa.us> wrote: >> 1. I'm still unhappy about the loop that fills the count histogram, >> as I noted earlier today. It at least needs a decent comment and some >> overflow protection, and I'm not entirely convinced that it doesn't have >> more bugs than the overflow issue.
> Attached patch is focused on fixing this. The "frac" variable overflow is > evaded by making it int64. I hope comments is clarifying something. In > general this loop copies behaviour of histogram constructing loop of > compute_scalar_stats function. But instead of values array we've array of > unique DEC and it's frequency. OK, I reworked this a bit and committed it. Thanks. regards, tom lane -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers