Bug 191447 Repreview the Output Parameters in storedprocedure dataset will lead the exception
Description: Repreview the Output Parameters in storedprocedure dataset will lead the exception Build number: 2.2.0.v20070607-0630 Steps to reproduce: 1, Open the attached report design 2, Open the Data Set 3, Preview Output Parameters 4, Click OK button 5, Reopen the Data Set 6, Preview Output Parameters again Expected result: The preview should be successfully Actual result: Exception occurs Error log: org.eclipse.birt.data.engine.core.DataException: Cannot execute the statement. SQL statement does not return a ResultSet object. SQL error #1: Parameter #2 has not been set. at org.eclipse.birt.data.engine.odaconsumer.PreparedStatement.execute(PreparedStatement.java:567) at org.eclipse.birt.data.engine.executor.DataSourceQuery.execute(DataSourceQuery.java:494) at org.eclipse.birt.data.engine.impl.PreparedOdaDSQuery$OdaDSQueryExecutor.executeOdiQuery(PreparedOdaDSQuery.java:338) at org.eclipse.birt.data.engine.impl.QueryExecutor.execute(QueryExecutor.java:761) at org.eclipse.birt.data.engine.impl.ServiceForQueryResults.executeQuery(ServiceForQueryResults.java:216) at org.eclipse.birt.data.engine.impl.QueryResults.getResultIterator(QueryResults.java:152) at org.eclipse.birt.report.designer.data.ui.dataset.OutputParameterPreviewPage.updateResults(OutputParameterPreviewPage.java:256) at org.eclipse.birt.report.designer.data.ui.dataset.OutputParameterPreviewPage.access$1(OutputParameterPreviewPage.java:190) at org.eclipse.birt.report.designer.data.ui.dataset.OutputParameterPreviewPage$2.run(OutputParameterPreviewPage.java:165)
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
public void setDatabaseObjectTreeExpansion( boolean expand )
	{
		this.expandDbObjectsTree = expand;
	}
	/**
	 * remove the tree item's direct child treeItem, cause since 3.1,
	 * TreeItem.removeAll is supported.But in 3.0,this method is not supported.
	 * 
	 * @param treeItem
	 */
	private void removeTreeItem( TreeItem treeItem )
	{
		if ( treeItem.isDisposed( ) )
			return;
		TreeItem[] items = treeItem.getItems( );
		for ( int i = 0; i < items.length; i++ )
		{
			if ( items[i] != null && !items[i].isDisposed( ) )
			{
				items[i].dispose( );
			}
		}
	}
}
class DbType
{
	public static final int TABLE_TYPE = 0;
	public static final String TABLE_STRING = "TABLE";
	public static final int VIEW_TYPE = 1;
	public static final String VIEW_STRING = "VIEW";