| From: | Don Baccus <dhogaza(at)pacifier(dot)com> |
|---|---|
| To: | Karel Zak - Zakkr <zakkr(at)zf(dot)jcu(dot)cz>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | Re: [HACKERS] Cache query (PREPARE/EXECUTE) |
| Date: | 2000-02-22 18:56:07 |
| Message-ID: | 3.0.1.32.20000222105607.0106c2f0@mail.pacifier.com |
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| Thread: | |
| Lists: | pgsql-hackers |
At 06:30 PM 2/22/00 +0100, Karel Zak - Zakkr wrote:
> Yes, I agree (TopMemoryContext was simpl for first hacking).
>But I not sure how create new (across transaction persistent?)
>MemoryContext. It needs new portal? (Sorry I not thoroughly explore
>PG's memory management.)
Jan is caching the plans needed for referential integrity checking
and referential actions - look at ri_triggers.c in src/backend/utils/adt.
ri_InitHashTables initializes the RI cache.
(I *assume* Jan, with his great experience, is doing it right, I'm
in no position to judge!)
- Don Baccus, Portland OR <dhogaza(at)pacifier(dot)com>
Nature photos, on-line guides, Pacific Northwest
Rare Bird Alert Service and other goodies at
http://donb.photo.net.
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