@Override
    public String format() {
        return "RIGHT OUTER JOIN";
    }
RightOuterJoinNodeRelation Constructor

@param inputs           The inputs is a list of input node id
@param outputs          The outputs is a list of output node id
@param joinConditionMap The joinConditionMap is a map of join conditions
                        the key of joinConditionMap is the node id of join node
                        the value of joinConditionMap is a list of join contidition
inlong-sort/sort-common/src/main/java/org/apache/inlong/sort/protocol/transformation/relation/RightOuterJoinNodeRelation.java