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
private static String DEFAULT_MESSAGE = JdbcPlugin.getResourceString( "dataset.new.query" );	
	
	static
	{
		try
		{
	
			ImageRegistry reg = JFaceResources.getImageRegistry( );
			reg.put( TABLE_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/table.gif" ) );
			reg.put( VIEW_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/view.gif" ) );
			reg.put( PAGE_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/create_join_wizard.gif" ) );
			reg.put( SCHEMA_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/schema.gif" ) );
			reg.put( DATABASE_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/data_source.gif" ) );
			reg.put( COLUMN_ICON,
					ImageDescriptor.createFromFile( JdbcPlugin.class,
							"icons/column.gif" ) );
		}
		catch ( Exception ex )
		{