On Tue, Feb 21, 2017 at 01:27:53AM +0100, Tomas Vondra wrote:
> On 02/21/2017 12:13 AM, Bruce Momjian wrote:
> >At the risk of asking a stupid question, we already have optimizer
> >statistics on expression indexes. In what sense are we using this for
> >multi-variate statistics, and in what sense
On 02/21/2017 12:13 AM, Bruce Momjian wrote:
At the risk of asking a stupid question, we already have optimizer
statistics on expression indexes. In what sense are we using this for
multi-variate statistics, and in what sense can't we.
We're not using that at all, because those are really ort
At the risk of asking a stupid question, we already have optimizer
statistics on expression indexes. In what sense are we using this for
multi-variate statistics, and in what sense can't we.
FYI, I just wrote a blog post about expression index statistics:
http://momjian.us/main/blogs/pgb
