On 2018-03-29 19:52:40 +, Robert Haas wrote:
> Rewrite the code that applies scan/join targets to paths.
>
> If the toplevel scan/join target list is parallel-safe, postpone
> generating Gather (or Gather Merge) paths until after the toplevel has
> been adjusted to return it. This (correctly)
Rewrite the code that applies scan/join targets to paths.
If the toplevel scan/join target list is parallel-safe, postpone
generating Gather (or Gather Merge) paths until after the toplevel has
been adjusted to return it. This (correctly) makes queries with
expensive functions in the target list
