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
metaData.clearCache( );
			metaData = null;
		}
		String driverClass = dataSourceHandle.getPublicProperties( )
				.findProperty( Constants.ODADriverClass )
				.getValue( );
		String url = dataSourceHandle.getPublicProperties( )
				.findProperty( Constants.ODAURL )
				.getValue( );
		String user = dataSourceHandle.getPublicProperties( )
				.findProperty( Constants.ODAUser )
				.getValue( );
		String password = dataSourceHandle.getPublicProperties( )
				.findProperty( Constants.ODAPassword )
				.getValue( );
		metaData = ConnectionMetaDataManager.getInstance( )
				.getMetaData( driverClass, url, user, password, $NON-NLS-1$
						null );
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.text.contentassist.IContentAssistProcessor#computeCompletionProposals(org.eclipse.jface.text.ITextViewer,
	 *      int)
	 */
	public ICompletionProposal[] computeCompletionProposals(
			ITextViewer viewer, int offset )
	{
		try
		{