On Wed, Oct 28, 2015 at 01:04:12AM +0100, Robert Haas wrote:
> Well, OK.  That's not strictly a correctness issue, but here's an
> updated patch along the lines you suggested.

> Finally, have setup_param_list set a new ParamListInfo field,
> paramMask, to the parameters actually used in the expression, so that
> we don't try to fetch those that are not needed when serializing a
> parameter list.  This isn't necessary for performance, but it makes


> the performance of the parallel executor code comparable to what we
> do for cases involving cursors.

With that, the patch is ready.

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