An assignment of a complete selection into a record or row can
be done by
-SELECT expressions INTO target FROM ...;
+SELECT INTO target expressions FROM ...;
target can be a record, a row variable or a
comma separated list of variables and record-/row-fields.
immediately after a SELECT INTO to check if an assignment had success.
-SELECT * INTO myrec FROM EMP WHERE empname = myname;
+SELECT INTO myrec * FROM EMP WHERE empname = myname;
IF NOT FOUND THEN
RAISE EXCEPTION ''employee % not found'', myname;
END IF;