On Tuesday, July 21, 2020, Justin Pryzby <pry...@telsasoft.com> wrote:
> We hit this on v13b2 and verified it fails on today's HEAD (ac25e7b039). > > explain SELECT 1 FROM sites NATURAL JOIN sectors WHERE > sites.config_site_name != sectors.sect_name ; > ERROR: could not determine which collation to use for string comparison > > I can workaround the issue by DELETEing stats for either column. > > It's possible we're doing soemthing wrong and I need to revisit docs..but > this > was working in v12. > This sounds suspiciously like a side-effect of: https://git.postgresql.org/gitweb/?p=postgresql.git;a=commitdiff;h=022cd0bfd33968f2b004106cfeaa3b2951e7f322 David J.
