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| author | Tom Lane <tgl@sss.pgh.pa.us> | 2022-12-05 12:36:40 -0500 |
|---|---|---|
| committer | Tom Lane <tgl@sss.pgh.pa.us> | 2022-12-05 12:36:40 -0500 |
| commit | d69d01ba9d8d774487032459ebb83d2086715f01 (patch) | |
| tree | 76b2daf0834bd0902041fa34d10eed34a38ccf82 /src/backend/executor | |
| parent | 35ce24c333cf6dee3c92bc5f67553c7720bd9988 (diff) | |
| download | postgresql-d69d01ba9d8d774487032459ebb83d2086715f01.tar.gz postgresql-d69d01ba9d8d774487032459ebb83d2086715f01.zip | |
Fix Memoize to work with partitionwise joining.
A couple of places weren't up to speed for this. By sheer good
luck, we didn't fail but just selected a non-memoized join plan,
at least in the test case we have. Nonetheless, it's a bug,
and I'm not quite sure that it couldn't have worse consequences
in other examples. So back-patch to v14 where Memoize came in.
Richard Guo
Discussion: https://postgr.es/m/CAMbWs48GkNom272sfp0-WeD6_0HSR19BJ4H1c9ZKSfbVnJsvRg@mail.gmail.com
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