Le vendredi 5 février 2021, 03:17:48 CET Michael Paquier a écrit : > ConstructTupleDescriptor() does not matter much, but this patch is not > acceptable to me as it touches the area of the index creation while > statistics on an index expression can only be changed with a special > flavor of ALTER INDEX with column numbers. This would imply an ABI > breakage, so it cannot be backpatched as-is.
I'm not surprised by this answer, the good news is it's being back-patched. > > Let's copy this data in index_concurrently_swap() instead. The > attached patch does that, and adds a test cheaper than what was > proposed. There is a minor release planned for next week, so I may be > better to wait after that so as we have enough time to agree on a > solution. Looks good to me ! Thank you. -- Ronan Dunklau