/**
* For query Select .. from Department d...., This method is called for expression Department d.
*
* @param node The node in query tree that corresponds to the experssion.
* @param schemaName Name of the schema. In above example this is Department. This is return value
* of method leaveAbstractSchemaName.
* @param identVariable Data about identifactionVariable. In above example, this is data about d.
* @return The data about this variable is added to selectPlan by this method. This method always
* return null.
*/
@Override
public Object leaveRangeVarDecl(EJBQLAST node, Object schemaName, Object identVariable) {
selectPlan.addRangeVariable((IdentificationVariableData) identVariable);
return null;
}
