From: | Gevik Babakhani <pgdev(at)xs4all(dot)nl> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | pgsql-hackers(at)postgresql(dot)org |
Subject: | Re: Question about the MemoryContext |
Date: | 2006-04-22 22:43:17 |
Message-ID: | 1145745797.3882.0.camel@voyager.truesoftware.net |
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Thread: | |
Lists: | pgsql-hackers |
Thank you :)
On Sat, 2006-04-22 at 18:16 -0400, Tom Lane wrote:
> Gevik Babakhani <pgdev(at)xs4all(dot)nl> writes:
> > Could someone please explain the MemoryContext switching. For example
> > MemoryContextSwitchTo function. How does this work?
>
> src/backend/utils/mmgr/README might help. It's somewhat pointed at
> people who've already been hacking the backend, but I think it will
> give you the idea.
>
> The basic point is that palloc() allocates memory in whichever context
> was last selected as CurrentMemoryContext by MemoryContextSwitchTo.
>
> regards, tom lane
>
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