Am 27.11.24 um 05:14 schrieb Sajjad Abid:
A column is character varying(50), also on this column a unique constraint is defined, but I found some duplicate values in this column for some records user_name character varying(50) CONSTRAINT user_name_unq UNIQUE ( user_name )
Most likely a locale/encoding problem. See: https://wiki.postgresql.org/wiki/Locale_data_changes
