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On 06/10/2014 02:57 AM, MauMau wrote:
> From: "Amit Kapila" <amit.kapila16@gmail.com>
>> Is there a need to free memory context in PG_CATCH()? In error
>> path the memory due to this temporary context will get freed as
>> it will delete the transaction context and this temporary context
>> will definitely be in the hierarchy of it, so it should also get
>> deleted. I think such handling can be useful incase we use
>> PG_CATCH() to suppress the error.
>
> I thought the same, but I also felt that I should make an effort
> to release resources as soon as possible, considering the memory
> context auto deletion as a last resort. However, looking at other
> places where PG_CATCH() is used, memory context is not deleted.
> So, I removed the modification from PG_CATCH() block. Thanks.
I think the context deletion was missed in the first place because
storeRow() is the wrong place to create the context. Rather than
creating the context in storeRow() and deleting it two levels up in
materializeQueryResult(), I think it should be created and deleted in
the interim layer, storeQueryResult(). Patch along those lines attached.
Any objections to me back-patching it this way?
Joe
- --
Joe Conway
credativ LLC: http://www.credativ.us
Linux, PostgreSQL, and general Open Source
Training, Service, Consulting, & 24x7 Support
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