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.data/src/org/eclipse/birt/data/engine/odaconsumer/PreparedStatement.java
}
	/**
	 * Returns the 1-based index of the specified output parameter.
	 * @param paramName	the name of the parameter.
	 * @return	the 1-based index of the output parameter.
	 * @throws DataException	if data source error occurs.
	 */
	public int findOutParameter( String paramName ) throws DataException
	{
		String methodName = "findOutParameter";
		sm_logger.entering( sm_className, methodName, paramName );
		
		checkOutputParameterSupport( );
		
		try
		{
			int ret = getAdvancedStatement().findOutParameter( paramName );
			
			sm_logger.exiting( sm_className, methodName, ret );			
			return ret;
		}
		catch( OdaException ex )
		{
			sm_logger.logp( Level.SEVERE, sm_className, methodName, 
							"Cannot find out parameter.", ex );
			
			throw new DataException( ResourceConstants.CANNOT_FIND_OUT_PARAMETER, ex, 
			                         paramName );
		}
		catch( UnsupportedOperationException ex )