{
    attributes = (
        {
            columnName = "SINGLE_TABLE_PK"; 
            externalType = int; 
            name = singleTablePk; 
            valueClassName = NSNumber; 
            valueType = i; 
        }, 
        {
            columnName = "HELPER_FLAT_PK"; 
            externalType = int; 
            internalInfo = {"_nameInObjectStore" = "FLAT_PK"; }; 
            name = helperFlatPk; 
            valueClassName = NSNumber; 
            valueType = i; 
        }
    ); 
    attributesUsedForLocking = (singleTablePk, helperFlatPk); 
    externalName = "SINGLE_TABLE_JOIN"; 
    fetchSpecificationDictionary = {}; 
    name = SingleTableJoin; 
    primaryKeyAttributes = (singleTablePk, helperFlatPk); 
    relationships = (
        {
            destination = HelperFlatEntity; 
            isToMany = N; 
            joinSemantic = EOInnerJoin; 
            joins = ({destinationAttribute = pk; sourceAttribute = helperFlatPk; }); 
            name = toHelperFlatEntity; 
        }, 
        {
            destination = SingleTableConcreteEntityOne; 
            isToMany = N; 
            joinSemantic = EOInnerJoin; 
            joins = ({destinationAttribute = pk; sourceAttribute = singleTablePk; }); 
            name = toSingleTable; 
        }
    ); 
}