2010/9/23 Robert Haas <robertmh...@gmail.com>:
> All of this leaves me wondering why Greg ended up ifdefing out this
> code in the first place.  There's probably something I'm missing
> here...  but for now I can't think of a better idea than just removing
> the #ifdefs and hoping that whatever problem they were causing was
> limited to an earlier version of the code that no longer exists.

...and FAIL.  I missed the blindingly obvious here, which is that
without these tests commented out, while it passes regression tests,
the merge append stuff stops working.  I think for some reason without
this stuff in there the appropriate index paths fail to get generated
for the child rels.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise Postgres Company

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