translate new_item of plsql

postgres/new_item.sql

@@ -0,0 +1,12 @@
+DROP PROCEDURE IF EXISTS new_item;
+CREATE PROCEDURE new_item(
+      name item.name%TYPE,
+      sell_in item.sell_in%TYPE,
+      quality item.quality%TYPE
+  )
+LANGUAGE plpgsql
+AS $$
+BEGIN
+  INSERT INTO item (name, sell_in, quality) VALUES (name, sell_in, quality);
+END;
+$$;