private static NestedColumnFilters convertColumnIdsToFieldNames(NestedColumnFilters filters, Map<Integer, DataEntity> entities)
{
if (filters == null)
return null;
NestedColumnFilters result = new NestedColumnFilters();
if (filters.cond != null)
{
result.cond = new ColumnFilter();
result.cond.v = filters.cond.v;
result.cond.r = filters.cond.r;