Re: libpq changes for synchronous replication

On Fri, 2010-09-17 at 18:22 +0900, Fujii Masao wrote:
> On Fri, Sep 17, 2010 at 5:09 PM, Heikki Linnakangas
> <heikki.linnakangas@enterprisedb.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?

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