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preserving state across external functions calls

From: "Maksim Likharev" <mlikharev(at)aurigin(dot)com>
To: <pgsql-interfaces(at)postgresql(dot)org>
Subject: preserving state across external functions calls
Date: 2003-05-24 01:32:29
Message-ID: 56510AAEF435D240958D1CE8C6B1770A014A0BD9@mailc03.aurigin.com (view raw or flat)
Thread:
Lists: pgsql-interfaces
> Hi,
> I have a question about a correct way of preserving state/some
> information across pg functions call
> Let's imagine following example:
> 
> External C functions:
> 
> FUNCTION_INIT_SOMETHING     - allocates a memory, returns some kind of
> handle
> FUNCTION_DO_SOMETHING      - use allocated memory
> FUNCTION_FREE_SOMETHING  - deallocate using handle
> 
> and of cause general idea is automatic deallocation at the and of
> session scope
> Thank you.
> 
> 
> 

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