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
tableName = tableName.substring( index + 1);
					}
				}
				if ( item.getData( ) instanceof DbObject )
				{
					DbObject obj = (DbObject) item.getData( );
					if ( obj.getType( ) == DbObject.TABLE_TYPE
							|| obj.getType( ) == DbObject.VIEW_TYPE )
					{
						ArrayList columnList = metaDataProvider.getColumns( catalogName,
								schemaName,
								tableName,
								null );
						TreeItem[] items = item.getItems( );
						if ( items != null )
						{
							for ( int i = 0; i < items.length; i++ )
							{
								items[i].dispose( );
							}
						}
						Utility.createTreeItems( item,
								columnList,
								SWT.NONE,
								columnImage );
					}
					else if ( obj.getType( ) == DbObject.PROCEDURE_TYPE )
					{
						ArrayList procedureList = metaDataProvider.getAllProcedure( catalogName,
								schemaName,