Re: [RFC] LSN Map

Il 08/01/15 20:18, Jim Nasby ha scritto:
> On 1/7/15, 3:50 AM, Marco Nenciarini wrote:
>> The current implementation tracks only heap LSN. It currently does not
>> track any kind of indexes, but this can be easily added later.
>
> Would it make sense to do this at a buffer level, instead of at the heap
> level? That means it would handle both heap and indexes.
> I don't know if LSN is visible that far down though.

Where exactly you are thinking to handle it?

>
> Also, this pattern is repeated several times; it would be good to put it
> in it's own function:
> + lsnmap_pin(reln, blkno, &lmbuffer);
> + lsnmap_set(reln, blkno, lmbuffer, lsn);
> + ReleaseBuffer(lmbuffer);

Right.

Regards,
Marco

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Marco Nenciarini - 2ndQuadrant Italy
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