Day 2, full DB import/update/delete from dir with XML or HTTP

aore/templates/postgre/bulk_update.sql

@@ -0,0 +1,7 @@
+DROP TABLE IF EXISTS "%tablename%_TEMP";
+CREATE TEMP TABLE "%tablename%_TEMP" ON COMMIT DROP AS SELECT *
+                                                       FROM "%tablename%" WITH NO DATA;
+COPY "%tablename%_TEMP" (%fieldslist%) FROM '%csvname%' DELIMITER '%tab%' NULL 'NULL';
+INSERT INTO "%tablename%" (%fieldslist%) SELECT %fieldslist%
+FROM
+"%tablename%_TEMP" ON CONFLICT (%uniquekey%) DO UPDATE SET %updaterule%;