| From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
|---|---|
| To: | Nathan Bossart <nathandbossart(at)gmail(dot)com> |
| Cc: | Isaac Morland <isaac(dot)morland(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Faster "SET search_path" |
| Date: | 2023-11-15 04:13:25 |
| Message-ID: | 695668acc40b937258985669f3d55b94cce82c3c.camel@j-davis.com |
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| Lists: | pgsql-hackers |
On Thu, 2023-10-19 at 19:01 -0700, Jeff Davis wrote:
> 0003: Cache for recomputeNamespacePath.
Committed with some further simplification around the OOM handling.
Instead of using MCXT_ALLOC_NO_OOM, it just temporarily sets the cache
invalid while copying the string, and sets it valid again before
returning. That way, if an OOM occurs during the string copy, the cache
will be reset.
Also some minor cleanup.
> 0004: Use the same cache to optimize check_search_path().
> 0005: Optimize cache for repeated lookups of the same value.
I intend to commit these fairly soon, as well.
Regards,
Jeff Davis
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