Bug 166029 Help context displays only the first time in data set query editor[0703]
Help context displays only the first time in data set query editor Build number: 2.2.0.v20061128-0824 Steps to reproduce: 1.new a report 2.new a JDBC data source: Driver:jdbc:oracle:thin:@spmdb:1521:test Database URL:jdbc:oracle:thin:@spmdb:1521:test user:root,password:root 3.new a set using above data source,in data set query input "select * from" 4.then input "CORDER.",then help context list displays 5.then delete the query and reinput "select * from CORDER." Expected result: help context list will be displayed whenever you input Actual result: Help context list was displayed in the first time and after that nothing is displayed. Error log: N/A
data/org.eclipse.birt.report.data.oda.jdbc.ui/src/org/eclipse/birt/report/data/oda/jdbc/ui/editors/SQLDataSetEditorPage.java
* 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;
			}
		}
		 
		
		RemoveAllAvailableDbObjects( );
		setRootElement( );
		setRefreshInfo( );
		if ( isSchemaSupported )
		{