Re: libpq changes for synchronous replication

Simon Riggs írta:
> On Fri, 2010-09-17 at 18:22 +0900, Fujii Masao wrote:
>
>> On Fri, Sep 17, 2010 at 5:09 PM, Heikki Linnakangas
>> <heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
>>
>>> That said, there's a few small things that can be progressed regardless of
>>> the details of synchronous replication. There's the changes to trigger
>>> failover with a signal, and it seems that we'll need some libpq changes to
>>> allow acknowledgments to be sent back to the master regardless of the rest
>>> of the design. We can discuss those in separate threads in parallel.
>>>
>> Agreed. The attached patch introduces new function which is used
>> to send ACK back from walreceiver. The function sends a message
>> to XLOG stream by calling PQputCopyData. Also I allowed PQputCopyData
>> to be called even during COPY OUT.
>>
>
> Does this differ from Zoltan's code?
>

Somewhat. See my other mail to Tom.

Best regards,
Zoltán Böszörményi

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Zoltán Böszörményi
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