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 Post subject: Criteria API clause on join/fetch table not working
PostPosted: Mon Jan 01, 2018 3:21 am 

Joined: Mon Jan 01, 2018 3:13 am
Posts: 3

I need to make a dynamic query based on the query below so I decided to use criteria API:

@NamedQuery(name = "Ereturn.fetchBatch", query = "SELECT DISTINCT(e) FROM ereturn e " +
                    "JOIN FETCH e.productItems pi " +
                    "JOIN FETCH pi.product " +
                    "JOIN FETCH e.consignee " +
                    "WHERE " +
                    "e.status = 'RECEIVED' AND " +
                    "e.carrier.id = :carrierId AND " +
                    "e.shipper.id = :shipperId AND " +
                    "pi.returnAction = :returnAction")

This is the best I can get using Criteria API but the issue is that it ignores the filtering by "returnAction" field returning productItems with any returnAction value.

CriteriaBuilder builder = em.getCriteriaBuilder();

    CriteriaQuery<Ereturn> criteria = builder.createQuery( Ereturn.class );

    Root<Ereturn> er = criteria.from(Ereturn.class);
    //        Root<ProductItem> pi = criteria.from(ProductItem.class);

    if (carrier.getId() != null) er.fetch("carrier");
    if (shipper.getId() != null) er.fetch("shipper");
    Join<Ereturn, ProductItem> prodItemJoin = er.join("productItems");

    List<Predicate> predicates = new ArrayList<>();

    predicates.add(builder.equal( er.get( "status" ), ReturnStatus.RECEIVED));
    //        predicates.add(builder.equal(pi.get("ereturn"), er.get("id")));

    if (returnAction != null && !returnAction.equals("")) {
    //            predicates.add(builder.equal(pi.get("returnAction"), ReturnAction.valueOf(returnAction)));
        predicates.add(builder.equal(prodItemJoin.get("returnAction"), ReturnAction.valueOf(returnAction)));

            builder.and(predicates.toArray(new Predicate[predicates.size()]))

    criteria.select( er ).distinct(true);

    //        prodItemJoin.on(builder.and(predicates.toArray(new Predicate[predicates.size()])));

    List<Ereturn> batch = em.createQuery(criteria).getResultList();

The query executes but the predicate below is not taking effect:

predicates.add(builder.equal(prodItemJoin.get("returnAction"), ReturnAction.valueOf(returnAction)));

This the query executed by hibernate:

    distinct ereturn0_.id as id1_1_0_,
    user2_.id as id1_7_1_,
    user3_.id as id1_7_2_,
    user4_.id as id1_7_3_,
    productite5_.id as id1_6_4_,
    ereturn0_.barcode as barcode2_1_0_,
    ereturn0_.carrier as carrier27_1_0_,
    ereturn0_.consignee as consign28_1_0_,
    ereturn0_.consigneeFirstName as consigne3_1_0_,
    ereturn0_.consigneeLastName as consigne4_1_0_,
    ereturn0_.creationtime as creation5_1_0_,
    ereturn0_.disabled as disabled6_1_0_,
    ereturn0_.dispatchedDate as dispatch7_1_0_,
    ereturn0_.failedReturnPOBoxPrivateBag as failedRe8_1_0_,
    ereturn0_.globalCondition as globalCo9_1_0_,
    ereturn0_.globalId as globalI10_1_0_,
    ereturn0_.groupName as groupNa11_1_0_,
    ereturn0_.invoice as invoice12_1_0_,
    ereturn0_.notes as notes13_1_0_,
    ereturn0_.pickupDateTime as pickupD14_1_0_,
    ereturn0_.pickupDateTimeOffset as pickupD15_1_0_,
    ereturn0_.pieces as pieces16_1_0_,
    ereturn0_.processedByShipper as process17_1_0_,
    ereturn0_.reasonToReturn as reasonT18_1_0_,
    ereturn0_.returnAction as returnA19_1_0_,
    ereturn0_.returnMethod as returnM20_1_0_,
    ereturn0_.returned as returne21_1_0_,
    ereturn0_.rma as rma22_1_0_,
    ereturn0_.scanDateTime as scanDat23_1_0_,
    ereturn0_.shipper as shipper29_1_0_,
    ereturn0_.status as status24_1_0_,
    ereturn0_.trackingNumber as trackin25_1_0_,
    ereturn0_.weight as weight26_1_0_,
    user2_.accName as accName2_7_1_,
    user2_.accNum as accNum3_7_1_,
    user2_.address as address4_7_1_,
    user2_.bankName as bankName5_7_1_,
    user2_.branchName as branchNa6_7_1_,
    user2_.bsb as bsb7_7_1_,
    user2_.city as city8_7_1_,
    user2_.contactNumber as contactN9_7_1_,
    user2_.country as country10_7_1_,
    user2_.disabled as disable11_7_1_,
    user2_.email as email12_7_1_,
    user2_.firstName as firstNa13_7_1_,
    user2_.importEnabled as importE14_7_1_,
    user2_.labelApiUrl as labelAp15_7_1_,
    user2_.lastName as lastNam16_7_1_,
    user2_.password as passwor17_7_1_,
    user2_.pickupApiUrl as pickupA18_7_1_,
    user2_.pobox as pobox19_7_1_,
    user2_.postalcode as postalc20_7_1_,
    user2_.secondContactNumber as secondC21_7_1_,
    user2_.state as state22_7_1_,
    user2_.type as type23_7_1_,
    user2_.web as web24_7_1_,
    user3_.accName as accName2_7_2_,
    user3_.accNum as accNum3_7_2_,
    user3_.address as address4_7_2_,
    user3_.bankName as bankName5_7_2_,
    user3_.branchName as branchNa6_7_2_,
    user3_.bsb as bsb7_7_2_,
    user3_.city as city8_7_2_,
    user3_.contactNumber as contactN9_7_2_,
    user3_.country as country10_7_2_,
    user3_.disabled as disable11_7_2_,
    user3_.email as email12_7_2_,
    user3_.firstName as firstNa13_7_2_,
    user3_.importEnabled as importE14_7_2_,
    user3_.labelApiUrl as labelAp15_7_2_,
    user3_.lastName as lastNam16_7_2_,
    user3_.password as passwor17_7_2_,
    user3_.pickupApiUrl as pickupA18_7_2_,
    user3_.pobox as pobox19_7_2_,
    user3_.postalcode as postalc20_7_2_,
    user3_.secondContactNumber as secondC21_7_2_,
    user3_.state as state22_7_2_,
    user3_.type as type23_7_2_,
    user3_.web as web24_7_2_,
    user4_.accName as accName2_7_3_,
    user4_.accNum as accNum3_7_3_,
    user4_.address as address4_7_3_,
    user4_.bankName as bankName5_7_3_,
    user4_.branchName as branchNa6_7_3_,
    user4_.bsb as bsb7_7_3_,
    user4_.city as city8_7_3_,
    user4_.contactNumber as contactN9_7_3_,
    user4_.country as country10_7_3_,
    user4_.disabled as disable11_7_3_,
    user4_.email as email12_7_3_,
    user4_.firstName as firstNa13_7_3_,
    user4_.importEnabled as importE14_7_3_,
    user4_.labelApiUrl as labelAp15_7_3_,
    user4_.lastName as lastNam16_7_3_,
    user4_.password as passwor17_7_3_,
    user4_.pickupApiUrl as pickupA18_7_3_,
    user4_.pobox as pobox19_7_3_,
    user4_.postalcode as postalc20_7_3_,
    user4_.secondContactNumber as secondC21_7_3_,
    user4_.state as state22_7_3_,
    user4_.type as type23_7_3_,
    user4_.web as web24_7_3_,
    productite5_.disabled as disabled2_6_4_,
    productite5_.ereturn as ereturn18_6_4_,
    productite5_.expirationDate as expirati3_6_4_,
    productite5_.feedback as feedback4_6_4_,
    productite5_.forward as forward5_6_4_,
    productite5_.groupName as groupNam6_6_4_,
    productite5_.location as location7_6_4_,
    productite5_.lotNumber as lotNumbe8_6_4_,
    productite5_.lotReceivedDate as lotRecei9_6_4_,
    productite5_.lotStatus as lotStat10_6_4_,
    productite5_.notes as notes11_6_4_,
    productite5_.price as price12_6_4_,
    productite5_.processed as process13_6_4_,
    productite5_.product as product19_6_4_,
    productite5_.quantity as quantit14_6_4_,
    productite5_.quarantine as quarant15_6_4_,
    productite5_.reserve as reserve16_6_4_,
    productite5_.returnAction as returnA17_6_4_,
    productite5_.ereturn as ereturn18_6_0__,
    productite5_.id as id1_6_0__
    ereturn ereturn0_
inner join
    product_item productite1_
        on ereturn0_.id=productite1_.ereturn
inner join
    user user2_
        on ereturn0_.carrier=user2_.id
inner join
    user user3_
        on ereturn0_.shipper=user3_.id
inner join
    user user4_
        on ereturn0_.consignee=user4_.id
inner join
    product_item productite5_
        on ereturn0_.id=productite5_.ereturn
    and productite1_.returnAction=?  <<=== THE CLAUSE LOOKS RIGHT TO ME

This is the relationship from Ereturn to ProductItem:

public class Ereturn {
    @OneToMany(mappedBy = "ereturn", fetch = FetchType.LAZY, cascade = CascadeType.ALL, orphanRemoval = true)
    private List<ProductItem> productItems = new ArrayList<>();

And same from ProductItem to Ereturn:

public class ProductItem {
   @JoinColumn(name = "ereturn")

PROBLEM: criteria API is not filtering and returning ereturn.productItems with any value in field returnAction.

QUESTION: How can I make my criteria API query to filter by productItem.returnAnction field?

Thank you very much

 Post subject: Re: Criteria API clause on join/fetch table not working
PostPosted: Mon Jan 01, 2018 2:05 pm 
Hibernate Team
Hibernate Team

Joined: Thu Sep 11, 2014 2:50 am
Posts: 1628
Location: Romania
You can't filter what you JOIN FETCH because collections need to be fetched entirely. It's by design to work like that.

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