Packages
org.apache.jdo.impl.jdoql  
org.apache.jdo.impl.jdoql.jdoqlc  
org.apache.jdo.impl.jdoql.scope  
org.apache.jdo.impl.jdoql.tree  
org.apache.jdo.jdoql This package contains interfaces defining the query result and a basic implementation.
org.apache.jdo.jdoql.tree This package contains the query tree node interfaces, the node visitor interface and the tree walker.