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
filterComboViewer.setInput(dbTypeList);
		
		
		filterComboViewer.getCombo().select(0);
	}
	/*
	 * This method is invoked when the find button is clicked
	 * It populates the Available Data Base obecets ( in the Tree control ) 
	 * 
	 */
	protected void populateAvailableDbObjects()
	{
		DataSetDesign dataSetDesign = getDataSetDesign( );
		DataSourceDesign curDataSourceDesign = dataSetDesign.getDataSourceDesign( );
		
		if ( curDataSourceDesign == prevDataSourceDesign )
		{
			if ( ( cachedSearchTxt == searchTxt.getText( ) || ( cachedSearchTxt != null && cachedSearchTxt.equals( searchTxt.getText( ) ) ) )
					&& ( cachedDbType == getSelectedDbType( ) || ( cachedDbType != null && cachedDbType.equals( getSelectedDbType( ) ) ) ) )
			{
				if ( schemaList != null && schemaList.size( ) > 0 )
				{
					if ( cachedSchemaComboIndex == schemaCombo.getSelectionIndex( ) )
					{
						return;
					}
				}
				else
					return;
			}