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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-9270" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-76f6ec12-47c5-40f6-ae4c-8b6be9e8a399" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9270" style="color: #3b73af; text-decoration: none">HHH-9270</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-9270" style="color: #3b73af; text-decoration: none">@NamedEntityGraph loads always all non-Collection attributes</a> </span>
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Issue Type:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-bug-76f6ec12-47c5-40f6-ae4c-8b6be9e8a399" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /> Bug
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Affects Versions:
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4.3.5
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Unassigned
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Components:
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core
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Created:
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02/Jul/2014 02:43 AM
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Environment:
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Hibernate version 4.3.5.Final in JBoss Wildfly 8.1.0CR2, H2 database
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Priority:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-major-240fe62e-94ec-4212-9529-950441eb872a" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom" /> Major
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Reporter:
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<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="mmois" id="email_mmois" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mmois" style="color:#6c797f;; color: #3b73af; text-decoration: none">Martin Mois</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The JPA 2.1 specification gives the following example on how to implement the fetching of attributes that are not specified in the @NamedEntityGraph:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@NamedEntityGraph
@Entity
<span class="code-keyword" style="color: #000091">public</span> class Phonenumber{
@Id
<span class="code-keyword" style="color: #000091">protected</span> <span class="code-object" style="color: #910091">String</span> number;
}
<span class="code-keyword" style="color: #000091">protected</span> PhoneTypeEnum type;
...
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">In the above example, only the number attribute would be eagerly fetched."<br /> <span class="error">[Section 3.7.4]</span></p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">In my code I have a CustomerEntity with the following @NamedEntityGraph:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Entity
@NamedEntityGraph(
name = <span class="code-quote" style="color: #009100">"CustomersWithOrderId"</span>,
includeAllAttributes=<span class="code-keyword" style="color: #000091">false</span>,
attributeNodes = {
@NamedAttributeNode(value = <span class="code-quote" style="color: #009100">"name"</span>),
@NamedAttributeNode(value = <span class="code-quote" style="color: #009100">"orders"</span>, subgraph = <span class="code-quote" style="color: #009100">"ordersGraph"</span>)
},
subgraphs = {
@NamedSubgraph(
name = <span class="code-quote" style="color: #009100">"ordersGraph"</span>,
type = OrderEntity.class,
attributeNodes = {
@NamedAttributeNode(value = <span class="code-quote" style="color: #009100">"id"</span>),
@NamedAttributeNode(value = <span class="code-quote" style="color: #009100">"campaignId"</span>)
}
)
}
)
<span class="code-keyword" style="color: #000091">public</span> class CustomerEntity {
@Id
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = <span class="code-quote" style="color: #009100">"customer_seq"</span>)
@SequenceGenerator(name = <span class="code-quote" style="color: #009100">"customer_seq"</span>, sequenceName = <span class="code-quote" style="color: #009100">"CUSTOMER_SEQ_ID_SEQ"</span>, allocationSize = 1)
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">long</span> id;
@Column
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> name;
@Column
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">int</span> numberOfPurchases;
@OneToMany(mappedBy = <span class="code-quote" style="color: #009100">"customer"</span>, cascade = CascadeType.ALL, fetch = FetchType.LAZY)
<span class="code-keyword" style="color: #000091">private</span> Set<OrderEntity> orders;
@OneToMany(mappedBy = <span class="code-quote" style="color: #009100">"customer"</span>, cascade = CascadeType.ALL, fetch = FetchType.LAZY)
<span class="code-keyword" style="color: #000091">private</span> Set<AddressEntity> addresses;
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The generated SQL is:</p>
<div class="code panel" style="border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-sql" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<span class="code-keyword" style="color: #000091">select</span>
customeren0_.id as id1_1_0_,
orders1_.id as id1_2_1_,
customeren0_.name as name2_1_0_,
customeren0_.numberOfPurchases as numberOf3_1_0_,
orders1_.campaignId as campaign2_2_1_,
orders1_.CUSTOMER_ID as CUSTOMER4_2_1_,
orders1_.timestamp as timestam3_2_1_,
orders1_.CUSTOMER_ID as CUSTOMER4_1_0__,
orders1_.id as id1_2_0__
<span class="code-keyword" style="color: #000091">from</span>
CustomerEntity customeren0_
left outer join
OrderEntity orders1_
on customeren0_.id=orders1_.CUSTOMER_ID
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Despite the @NamedEntityGraph the fields numberOfPurchases of CustomerEntity and timestamp of OrderEntity are loaded, which should not be the case according the example in the specification. The field addresses of the CustomerEntity is not loaded. Hence it seems that the @NamedEntityGraph only affects fields that are Collections, but fields that are not a Collection are always loaded.</p>
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