On Tue, Sep 15, 2026 at 5:52 PM Fujii Masao <[email protected]> wrote: > When I used v11 as the remote server, stats import via postgres_fdw > resulted in the following error. I think this should be addressed as well. > > ERROR: collations are not supported by type name > CONTEXT: remote SQL command: SELECT DISTINCT ON (attname COLLATE "C") > attname, null_frac, avg_width, n_distinct, most_common_vals, > most_common_freqs, histogram_bounds, correlation, most_common_elems, > most_common_elem_freqs, elem_count_histogram, NULL, NULL, NULL FROM > pg_catalog.pg_stats WHERE schemaname = 'public' AND tablename = 't' > AND attname = ANY(ARRAY['i', 'j']) ORDER BY attname COLLATE "C", > inherited DESC
Reproduced here. Will fix. I was thinking this lacks testing against old servers, so thanks for the testing and report! Best regards, Etsuro Fujita
