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
sm_logger.exiting( sm_className, methodName, ret );
			return ret;
		}
		catch( OdaException ex )
		{
		    return logAndThrowGetClobParamException( methodName, 
		            			new Integer( paramIndex ), ex );
		}
		catch( UnsupportedOperationException ex )
		{
		    return logAndThrowGetClobParamException( methodName, 
        						new Integer( paramIndex ), ex );
		}
	}
	
	private IClob doGetClob( String paramName ) throws DataException
	{
		final String methodName = "doGetClob( String )";
		sm_logger.entering( sm_className, methodName, paramName );
		
		try
		{
		    IClob ret = getAdvancedStatement().getClob( paramName );
			sm_logger.exiting( sm_className, methodName, ret );
			return ret;
		}
		catch( OdaException ex )
		{
		    return logAndThrowGetClobParamException( methodName, 
		            						paramName, ex );