CAY-1874 DB2 Procedure action ignores the first result set

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1525585 13f79535-47bb-0310-9956-ffa450edef68
CAY-1874 DB2 Procedure action ignores the first result set

git-svn-id: https://svn.apache.org/repos/asf/cayenne/main/trunk@1525586 13f79535-47bb-0310-9956-ffa450edef68