public C connectByNocyclePrior(Predicate cond) {
        return addFlag(Position.BEFORE_ORDER, CONNECT_BY_NOCYCLE_PRIOR, cond);
    }
CONNECT BY specifies the relationship between parent rows and child rows of the hierarchy.

@param cond condition
@return the current object
querydsl-sql/src/main/java/com/querydsl/sql/oracle/AbstractOracleQuery.java