Incorrect source query with simple inherent updates

          CREATE FOREIGN TABLE SmallA (
               IntValue string,
               StringKey string PRIMARY KEY
               ) OPTIONS(UPDATABLE true);
           CREATE VIEW VSmallA(
               IntValue integer,
               StringKey string PRIMARY KEY
           ) OPTIONS (UPDATABLE true) AS
           SELECT
               CONVERT(source.IntValue,integer), source.StringKey FROM Source.SmallA as source;

DELETE FROM VSmallA WHERE IntValue=13
UPDATE VSmallA Set StringKey='a' WHERE IntValue=13