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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-10836" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-939eb627-8919-4861-bf84-58fd1ef6df9a" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10836" style="color: #3b73af; text-decoration: none">HHH-10836</a> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="Shoot3R" id="email_Shoot3R" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=Shoot3R" style="color:#6c797f;; color: #3b73af; text-decoration: none">Igor Dmitriev</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">Hi. Here is my test shows me that javax.persistence.fetchgraph does not work as documented in java docs(Attributes explicitly specified as AttributeNodes are treated as FetchType.EAGER,attributes that are not specified are treated as FetchType.LAZY:<br><br>Client entity:<br><br>{code}<br>@Entity<br>@Table(name = "client")<br>@NamedEntityGraphs({<br> @NamedEntityGraph(name = Client.ACCOUNTS_GRAPH, attributeNodes = @NamedAttributeNode(value = "accounts"))<br>})<br>@Getter<br>@Setter<br>@ToString(of = "name")<br>public class Client extends BaseEntity<Integer> {<br><br> public static final String ACCOUNTS_GRAPH = "Client.accounts";<br><br> @Id<br> @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "c_seq")<br> @SequenceGenerator(name = "c_seq", sequenceName = "c_seq", allocationSize = 1)<br> @Column(name = "ID_CLIENT")<br> public Integer id;<br><br> @Column(name = "NAME")<br> private String name;<br><br> @Column(name = "age")<br> private int age;<br><br> @OneToMany(mappedBy = "client", cascade = CascadeType.PERSIST)<br> @Setter(AccessLevel.NONE)<br> private List<Account> accounts = new ArrayList<>();<br><br> @OneToOne(mappedBy = "client", fetch = FetchType.EAGER)<br> private Passport passport;<br><br> @OneToMany(mappedBy = "client", fetch = FetchType.EAGER)<br> private List<Address> addresses = new ArrayList<>();<br><br> public void addAccount(Account account) {<br> accounts.add(account);<br> account.setClient(this);<br> }<br>}<br>{code}<br><br>Main:<br>{code}<br>Map<String, Object> hints = new HashMap<>();<br> hints.put(QueryHints.HINT_FETCHGRAPH, em.getEntityGraph(Client.ACCOUNTS_GRAPH));<br> em.find(Client.class, 1, hints);<br>{code}<br><br>Console output:<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">{code}<br></span> <span class="diffcontext">Hibernate:<br> select<br> client0_.id_client as id_clien1_4_0_,<br> client0_.age as age2_4_0_,<br> client0_.name as name3_4_0_,<br> accounts1_.id_client as id_clien3_4_1_,<br> accounts1_.id_account as id_accou1_0_1_,<br> accounts1_.id_account as id_accou1_0_2_,<br> accounts1_.amount as amount2_0_2_,<br> accounts1_.id_client as id_clien3_0_2_ <br> from<br> client client0_ <br> left outer join<br> account accounts1_ <br> on client0_.id_client=accounts1_.id_client <br> where<br> client0_.id_client=1 <br>Hibernate:<br> select<br> passport0_.id_passport as id_passp1_7_0_,<br> passport0_.number as number2_7_0_ <br> from<br> passport passport0_ <br> where<br> passport0_.id_passport=1 <br>Hibernate:<br> select<br> addresses0_.id_client as id_clien4_4_0_,<br> addresses0_.id_address as id_addre1_1_0_,<br> addresses0_.id_address as id_addre1_1_1_,<br> addresses0_.city as city2_1_1_,<br> addresses0_.id_client as id_clien4_1_1_,<br> addresses0_.street as street3_1_1_ <br> from<br> address addresses0_ <br> where<br> addresses0_.id_client=1 <br></span> <span class="diffaddedchars" style="background-color:#ddfade;">{code}</span> <span class="diffcontext"><br></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br></span> <span class="diffcontext">As we can see LAZY does not work. <br>If I change FETCH_GRAPH to LOAD_GRAPH:<br><br></span> <span class="diffaddedchars" style="background-color:#ddfade;">{code}<br></span> <span class="diffcontext"> select<br> client0_.id_client as id_clien1_4_0_,<br> client0_.age as age2_4_0_,<br> client0_.name as name3_4_0_,<br> accounts1_.id_client as id_clien3_4_1_,<br> accounts1_.id_account as id_accou1_0_1_,<br> accounts1_.id_account as id_accou1_0_2_,<br> accounts1_.amount as amount2_0_2_,<br> accounts1_.id_client as id_clien3_0_2_,<br> addresses2_.id_client as id_clien4_4_3_,<br> addresses2_.id_address as id_addre1_1_3_,<br> addresses2_.id_address as id_addre1_1_4_,<br> addresses2_.city as city2_1_4_,<br> addresses2_.id_client as id_clien4_1_4_,<br> addresses2_.street as street3_1_4_,<br> passport3_.id_passport as id_passp1_7_5_,<br> passport3_.number as number2_7_5_ <br> from<br> client client0_ <br> left outer join<br> account accounts1_ <br> on client0_.id_client=accounts1_.id_client <br> left outer join<br> address addresses2_ <br> on client0_.id_client=addresses2_.id_client <br> left outer join<br> passport passport3_ <br> on client0_.id_client=passport3_.id_passport <br> where<br> client0_.id_client=1<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">{code}</span> <span class="diffcontext"><br></span> </td>
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