| From: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com> |
|---|---|
| To: | Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Additional improvements to extended statistics |
| Date: | 2020-03-15 00:08:09 |
| Message-ID: | 20200315000809.ruwpx7ktnpnzly7c@development |
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| Lists: | pgsql-hackers |
On Sat, Mar 14, 2020 at 05:56:10PM +0100, Tomas Vondra wrote:
>
> ...
>
>Attached is a patch series rebased on top of the current master, after
>committing the ScalarArrayOpExpr enhancements. I've updated the OR patch
>to get rid of the code duplication, and barring objections I'll get it
>committed shortly together with the two parts improving test coverage.
>
I've pushed the two patches improving test coverage for functional
dependencies and MCV lists, which seems mostly non-controversial. I'll
wait a bit more with the two patches actually changing behavior (rebased
version attached, to keep cputube happy).
regards
--
Tomas Vondra http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
| Attachment | Content-Type | Size |
|---|---|---|
| 0001-Improve-estimation-of-OR-clauses-with-extend-2020315.patch | text/plain | 19.9 KB |
| 0002-Support-clauses-of-the-form-Var-op-Var-2020315.patch | text/plain | 17.4 KB |
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