Bug 134988 [regression]Available items in Query didn't change when change data source in Edit Data Set Dialog.
Description: Available items in Query didn't change when change data source in Edit Data Set Dialog. Steps to reproduce: 1. New two different data sources. 2. New a dataset, change data source, view Available Items in Query pane. Expected result: Available Items in Query pane changed according to new Data source. Actual result: Available Items in Query pane kept unchanged.
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
{
		createMetaDataProvider( );
		prevDataSourceDesign = this.getDataSetDesign( ).getDataSourceDesign( );
		jdbcConnection = connectMetadataProvider( metaDataProvider, prevDataSourceDesign);
		
		validConnection = (jdbcConnection == null) ? false: true; 
		
		try
		{
			if ( jdbcConnection != null )
			{
				
				
				isSchemaSupported = metaDataProvider.isSchemaSupported();
 
			}
		}
		catch(Exception e)
		{
			TODO
			ExceptionHandler.showException( null, "title", "msg", e );
		}
	}
	/**
	 *  Create Metadata Provider
	 */
	protected void createMetaDataProvider( )
	{
		if ( metaDataProvider == null )
		{