Bug 177691 Support Date/Time type in BIRT.
We plan to support Date/Time type in BIRT. Please refer to attached document/patch file for necessary info.
model/org.eclipse.birt.report.model.adapter.oda/src/org/eclipse/birt/report/model/adapter/oda/impl/DataSetParameterAdapter.java
dataAttrs
				.setNullability( newElementNullability( paramDefn.allowNull( ) ) );
		
		Integer position = paramDefn.getPosition( );
		if ( position != null )
			dataAttrs.setPosition( position.intValue( ) );
		Integer nativeDataType = paramDefn.getNativeDataType( );
		if ( nativeDataType != null )
			dataAttrs.setNativeDataTypeCode( nativeDataType.intValue( ) );
		dataAttrs.setName( paramDefn.getNativeName( ) );
		return dataAttrs;
	}
	/**
	 * Creates a ODA ElementNullability with the flag that indicates whether the
	 * parameter value can be <code>null</code>.
	 * 
	 * @param isNullable
	 *            <code>true</code> if the parameter value can be
	 *            <code>null</code>. Otherwise, <code>false</code>.
	 * @return the created <code>ElementNullabilityterMode</code>.
	 */
	static ElementNullability newElementNullability( boolean isNullable )
	{
		int nullAbility = ElementNullability.UNKNOWN;
		if ( isNullable )
			nullAbility = ElementNullability.NULLABLE;
		return ElementNullability.get( nullAbility );
	}
	/**
	 * Updates the parameter direction with the given parameter mode.