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Patch: ALTER TYPE 3: add facility to identify further no-work cases

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CommitFest 2011-01
Topic Performance
Patch Status Returned with Feedback
Author Noah Misch
Reviewers Robert Haas
Committer Nobody
Close Date 2011-01-28
Patch by nmisch on 2011-01-12 06:04:36 AM: Initial version.
Review by rhaas on 2011-01-24 07:04:25 PM: No consensus on behavior, needs submission notes and performance testing, separate rewrite-vs-noop from check-vs-noop.
Comment by nmisch on 2011-01-27 03:36:08 PM: Seeking consensus on: eval_const_expressions() vs. coerce_to_target_type() placement. If the former, pg_proc vs. pg_cast attachment. If pg_proc, syntax addition for CREATE FUNCTION.
Comment by rhaas on 2011-01-28 01:43:04 PM: no consensus on design, needs more time than we can give it now

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