Bug 152443 Support boolean type in data set
Support boolean type in data set. It'll cause some data transform issue with absence of boolean type.
data/org.eclipse.birt.report.data.oda.jdbc/src/org/eclipse/birt/report/data/oda/jdbc/Statement.java
else
		{
			throw new JDBCException( ResourceConstants.DRIVER_NO_CONNECTION,
					ResourceConstants.ERROR_NO_CONNECTION );
		}
	}
	/*
	 * @see org.eclipse.datatools.connectivity.IQuery#prepare(java.lang.String)
	 */
	public void prepare( String command ) throws OdaException
	{
		logger.logp( java.util.logging.Level.FINE,
				Statement.class.getName( ),
				"prepare",
				"Statement.prepare( \"" + command + "\" )" );
		try
		{
			if ( command == null ){
				logger.logp( java.util.logging.Level.FINE,
						Statement.class.getName( ),
						"prepare",
						"Query text can not be null." );
				throw new OdaException( "Query text can not be null." );
			}
			
			
			this.cachedResultMetaData = null;
			this.cachedResultSet = null;
			
			/*