Column implements ProtoObject<ColumnProto>, GsonObject { public String getQualifiedName() { return name; } Column(String name, TypeDesc typeDesc);  Column(String name, DataType dataType);  Column(String name, TajoDataTypes.Type type);  Column(String name, TajoDataTypes.Type type, int typeLength);  Column(ColumnProto proto); boolean hasQualifier(); String getQualifiedName(); String getQualifier(); String getSimpleName(); TypeDesc getTypeDesc(); DataType getDataType(); @Override boolean equals(Object o); int hashCode(); @Override ColumnProto getProto(); String toString(); @Override String toJson();  }
@Test public final void testGetFieldName() { assertEquals(field1.getQualifiedName(),FieldName1); assertEquals(field2.getQualifiedName(),FieldName2); assertEquals(field3.getQualifiedName(),FieldName3); }