| From: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
|---|---|
| To: | Ahmed Ibrahim <ahmed(dot)ibr(dot)hashim(at)gmail(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Cc: | Gurjeet Singh <gurjeet(at)singh(dot)im> |
| Subject: | Re: Inquiry/Help with pg_adviser (problem in index_create function for creating indexes) |
| Date: | 2023-06-26 05:50:09 |
| Message-ID: | bdeacb19-0be5-251c-9edd-e6f1a93dbd8d@iki.fi |
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| Lists: | pgsql-hackers |
On 25/06/2023 17:30, Ahmed Ibrahim wrote:
> The full current code (PR is still draft) can be found at
> https://github.com/DrPostgres/pg_adviser/pull/4
> <https://github.com/DrPostgres/pg_adviser/pull/4>
>
> The idea behind what is being done is creating virtual indexes, and
> measuring the query cost after creating those indexes, and see whether
> we will get a better cost or not, and maximize the benefit from those
> choices.
> So far, the project is okay and compiling/working successfully (with
> Postgres 16), but the problem is when creating
> the virtual indexes (with version 16), I give it flag
> /INDEX_CREATE_SKIP_BUILD/ (just like it was with version 8.3 and was
> working)
https://github.com/HypoPG/hypopg might be of interest to you. It also
creates virtual or "hypothetical" indexes.
--
Heikki Linnakangas
Neon (https://neon.tech)
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