docs: catalog second-order GROUP BY traps (wrap-is-the-bug classes)

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A full audit of the loose-GROUP-BY fixes found four recurring mistakes in the fixes themselves: incoherent Max/Min pairs over coupled columns, NULL-skipping Max on discriminators, Sum(x)*Max(y) fabricated arithmetic, and wrong-bound picks. Add them to the compatibility catalog (new 3.1) and to the Greptile review instructions so future PRs get flagged.

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Mihir Kandoi

2026-07-05 19:00:47 +05:30

parent 00e6b44701

commit 0922d85bf0

2 changed files with 29 additions and 1 deletions

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