--- /dev/null
+-- @tag: letter_date_type
+-- @description: Briefe: Datumsfeld als Datum speichern
+-- @depends: release_3_2_0 letter
+-- @encoding: utf-8
+ALTER TABLE letter ADD column date_date DATE;
+UPDATE letter SET date_date = date::DATE;
+ALTER TABLE letter DROP COLUMN date;
+ALTER TABLE letter RENAME COLUMN date_date TO date;
+