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CA Handle arrays and ranges in pg_upgrade's test for non-upgradable types. · postgrespro/postgres@29aeda6 · GitHub
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Handle arrays and ranges in pg_upgrade's test for non-upgradable types.
pg_upgrade needs to check whether certain non-upgradable data types appear anywhere on-disk in the source cluster. It knew that it has to check for these types being contained inside domains and composite types; but it somehow overlooked that they could be contained in arrays and ranges, too. Extend the existing recursive-containment query to handle those cases. We probably should have noticed this oversight while working on commit 0ccfc28 and follow-ups, but we failed to :-(. The whole thing's possibly a bit overdesigned, since we don't really expect that any of these types will appear on disk; but if we're going to the effort of doing a recursive search then it's silly not to cover all the possibilities. While at it, refactor so that we have only one copy of the search logic, not three-and-counting. Also, to keep the branches looking more alike, back-patch the output wording change of commit 1634d36. Back-patch to all supported branches. Discussion: https://postgr.es/m/31473.1573412838@sss.pgh.pa.us
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