| From: | Teodor Sigaev <teodor(at)sigaev(dot)ru> |
|---|---|
| To: | andrew(at)supernews(dot)com |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: GIST and TOAST |
| Date: | 2007-03-05 16:29:31 |
| Message-ID: | 45EC456B.4000604@sigaev.ru |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
> A closer reading, however, shows that at least for cases like intarray,
> btree_gist, etc., the detoasting of an index value is being done in the
> gist decompress function, so the value seen via GISTENTRY in the other
> functions should already have been detoasted once.
Right, any stored value form index should be decompressed by GiST decompress
support method.
Another places:
- compress might get original value in case of inserting new one, in all other
cases it gets value produced by decompress method.
- query in consistent method
--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/
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