Re: strange update problem with 7.2.1 - Mailing list pgsql-hackers

From Tom Lane
Subject Re: strange update problem with 7.2.1
Date
Msg-id 2579.1022592787@sss.pgh.pa.us
Whole thread Raw
In response to Re: strange update problem with 7.2.1  (Teodor Sigaev <teodor@stack.net>)
List pgsql-hackers
Teodor Sigaev <teodor@stack.net> writes:
>> Hmm, is this patch really correct?  Removing the gistadjscans() call
>> from gistSplit seems wrong to me --- won't that miss reporting splits
>> on leaf pages?  Or does this not matter for some reason?

> gistadjscans() is moving to gistlayerinsert. gistadjscans() must be
> called for parent of splitted page, but gistSplit doesn't know parent
> of current page and gistlayerinsert return status of its action:
> inserted and (may be) splitted. So we can call
> gistadjscans(GIST_SPLIT) in gistlayerinsert when it's need.

But gistSplit is recursive.  Is there no need to worry about the
additional splits it might do internally?
        regards, tom lane


pgsql-hackers by date:

Previous
From: "Joel Burton"
Date:
Subject: Re: wierd AND condition evaluation for plpgsql
Next
From: Tom Lane
Date:
Subject: Re: wierd AND condition evaluation for plpgsql