jpa连表查询

JPAQuery<TSscPlanDayExecutePO> jpaQuery = jpaQueryFactory.selectFrom(planDayExecutePO)
                .leftJoin(tSscPlanDayPO).on(tSscPlanDayPO.id.eq(planDayExecutePO.objDayplan))
                .leftJoin(tSscListPlanPwExtendPO).on(tSscPlanDayPO.id.eq(tSscListPlanPwExtendPO.planId))
                .leftJoin(pwEngBasePO).on(tSscListPlanPwExtendPO.engId.eq(pwEngBasePO.engId));
        if(!StringUtils.isListEmpty(vo.getExcStatusList())){
            eq = eq.and(planDayExecutePO.excStatus.in(vo.getExcStatusList()));
        }
        if(StringUtils.isNotEmpty(vo.getKeyWord())){
            BooleanExpression contains = tSscPlanDayPO.code.contains(vo.getKeyWord());
            contains=contains.or(pwEngBasePO.engName.contains(vo.getKeyWord()));
            eq = eq.and(contains);
        }
        if (pwProDeptPO != null && "02".equals(pwProDeptPO.getProDeptType())) {
            eq = eq.and(tSscPlanDayPO.leadCode.eq(String.valueOf(loginSysStaffDto.getStaffId())));
        }
        if (StringUtils.isNotEmpty(vo.getWorkBeginDateStar())) {
            eq = eq.and(tSscPlanDayPO.workBeginDate.goe(vo.getWorkBeginDateStar()));
        }
        if (StringUtils.isNotEmpty(vo.getWorkBeginDateEnd())) {
            eq = eq.and(tSscPlanDayPO.workBeginDate.loe(vo.getWorkBeginDateEnd()));
        }