| Package | Description | 
|---|---|
| mondrian.olap | Mondrian's core package, this defines connections and the catalog metamodel, 
and allows you to execute queries. | 
| Modifier and Type | Field and Description | 
|---|---|
| MondrianDef.ParentExpression | MondrianDef.Level. parentExpThe SQL expression used to join to the parent member in a
 parent-child hierarchy. | 
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