In [1] there's a bug report about ALTER TABLE ... ALTER COLUMN SET (n_distinct = N) not working for partitioned tables. Of course, you need to use n_distinct_inherited for partitioned tables, but the docs don't say that.
I went through a few iterations of the wording to make this clearer and landed on the attached. David [1] https://postgr.es/m/18916-985c04e9b5bed...@postgresql.org
doc_n_distinct_inherited.patch
Description: Binary data
