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/JdbcSQLContentAssistProcessor.java
* available columns or tables depending on whether the user has entered a table
 * or a schema before the (.) dot keyword.
 * 
 * If both a schema and a table have the same name the results are
 * unpredictable.
 * 
 * @version $Revision: 1.12 $ $Date: 2005/09/09 02:06:05 $
 */
public class JdbcSQLContentAssistProcessor implements
		IContentAssistProcessor,
		ISQLSyntax
{
	private transient DataSetDesign handle = null;
	private transient ConnectionMetaData metaData = null;
	private transient ICompletionProposal[] lastProposals = null;
	/**
	 *  
	 */
	public JdbcSQLContentAssistProcessor( DataSetDesign ds )
	{
		super( );
        handle = (DataSetDesign) ds;
        DataSourceDesign dataSourceDesign = handle.getDataSourceDesign( );
        setDataSourceHandle(dataSourceDesign);
	}
    
    public void setDataSourceHandle( DataSourceDesign dataSourceHandle )
	{
		if ( metaData != null )
		{