On 2015-02-16 01:21:55 +0100, Andres Freund wrote:
> Here's my next attept attempt at producing something we can agree
> upon.
>
> The major change that might achieve that is that I've now provided a
> separate method to store the origin_id of a node. I've made it
> conditional on !REPLICATION_IDENTIFIER_REUSE_PADDING, to show both
> paths. That new method uses Heikki's xlog rework to dynamically add the
> origin to the record if a origin is set up. That works surprisingly
> simply.
>
> Other changes:
>
> * Locking preventing several backends to replay changes at the same
> time. This is actually overly restrictive in some cases, but I think
> good enough for now.
> * Logical decoding grew a filter_by_origin callback that allows to
> ignore changes that were replayed on a remote system. Such filters are
> executed before much is done with records, potentially saving a fair
> bit of costs.
> * Rebased. That took a bit due the xlog and other changes.
> * A couple more SQL interface functions (like dropping a replication
> identifier).
And here an actual patch.
Greetings,
Andres Freund
--
Andres Freund http://www.2ndQuadrant.com/
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