Sure, a revised patch is attached. Note that this change will also require updating 25 (!) of the regression tests, since they use the SELECT-without-FROM syntax.
I've applied the attached patch to HEAD. Due to the widespread updates to the regression tests, the tests for some platforms may be (trivially) broken, despite my efforts to make the necessary updates. If that's the case, please let me know.
-Neil
delete_using-9.patch.gz
Description: application/gzip
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