Bug 142675 [Regression]Query change is not saved without "Preview Results"
Steps to reproduce: 1.New a sample data source and a data set with table "CUSTOMERS" 2.Edit the data set, change table to "ORDERS", click "OK" Expected result: Query text is changed Actual result: Changed query is not saved unless click "Preview Results" before click "OK"
model/org.eclipse.birt.report.model.adapter.oda/src/org/eclipse/birt/report/model/adapter/oda/ModelOdaAdapter.java
{
	/**
	 * Adapts the specified Model OdaDataSourceHandle to a Data Engine API
	 * DataSourceDesign object.
	 * 
	 * @param sourceHandle
	 *            the Model handle
	 * @return a new <code>DataSourceDesign</code>
	 */
	public DataSourceDesign createDataSourceDesign(
			OdaDataSourceHandle sourceHandle )
	{
		if ( sourceHandle == null )
			return null;
		DataSourceDesign sourceDesign = DesignFactory.eINSTANCE
				.createDataSourceDesign( );
		updateDataSourceDesign( sourceHandle, sourceDesign );
		return sourceDesign;