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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-9392" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-0921f424-1244-43c9-a09e-19ec04027420" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9392" style="color: #3b73af; text-decoration: none">HHH-9392</a>
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Issue Type:
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Affects Versions:
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4.3.6
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Unassigned
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Components:
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entity-manager
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Created:
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11/Sep/2014 08:21 AM
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Environment:
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JDK 1,7, DB2, JEE7
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query hibernate jpa21
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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="bcubkc" id="email_bcubkc" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=bcubkc" style="color:#6c797f;; color: #3b73af; text-decoration: none">Baris Cubukcuoglu</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Currently, I am testing EntityGraphs with Hibernate and I found a bug. I've created a simple query and a graph with attributes nodes and subgraphs. I Connected both elements with a "fetchgraph" query hint. Here's my sample code</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">
<span class="code-keyword" style="color: #000091">final</span> EntityGraph<CustomerOrder> entityGraph = getEntityManager().createEntityGraph(CustomerOrder.class);
entityGraph.addAttributeNodes(<span class="code-quote" style="color: #009100">"billingAddress"</span>, <span class="code-quote" style="color: #009100">"shippingAddress"</span>, <span class="code-quote" style="color: #009100">"orderDate"</span>, <span class="code-quote" style="color: #009100">"orderState"</span>);
<span class="code-keyword" style="color: #000091">final</span> Subgraph<BankAccount> bankAccountSubGraph = entityGraph.addSubgraph(<span class="code-quote" style="color: #009100">"bankAccount"</span>);
bankAccountSubGraph.addAttributeNodes(<span class="code-quote" style="color: #009100">"accountNo"</span>, <span class="code-quote" style="color: #009100">"bank"</span>, <span class="code-quote" style="color: #009100">"blz"</span>);
<span class="code-keyword" style="color: #000091">final</span> Subgraph<Customer> customerSubgraph = entityGraph.addSubgraph(<span class="code-quote" style="color: #009100">"customer"</span>);
customerSubgraph.addAttributeNodes(<span class="code-quote" style="color: #009100">"firstName"</span>, <span class="code-quote" style="color: #009100">"lastName"</span>);
<span class="code-keyword" style="color: #000091">final</span> Subgraph<Order_Product> orderProductsSubgraph = entityGraph.addSubgraph(<span class="code-quote" style="color: #009100">"orderProducts"</span>);
orderProductsSubgraph.addAttributeNodes(<span class="code-quote" style="color: #009100">"amount"</span>);
<span class="code-keyword" style="color: #000091">final</span> Subgraph<Product> productSubgraph = orderProductsSubgraph.addSubgraph(<span class="code-quote" style="color: #009100">"product"</span>);
productSubgraph.addAttributeNodes(<span class="code-quote" style="color: #009100">"productName"</span>, <span class="code-quote" style="color: #009100">"price"</span>, <span class="code-quote" style="color: #009100">"productNo"</span>);
TypedQuery<CustomerOrder> query = getEntityManager().createQuery(<span class="code-quote" style="color: #009100">"SELECT o FROM CustomerOrder o"</span>, CustomerOrder.class);
query.setHint(<span class="code-quote" style="color: #009100">"javax.persistence.fetchgraph"</span>, entityGraph);
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">While executing, Hibernate throws follow exception</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">
Caused by: javax.persistence.PersistenceException: org.hibernate.exception.SQLGrammarException: could not prepare statement at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1763) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1677) at org.hibernate.jpa.internal.QueryImpl.getResultList(QueryImpl.java:458)
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Hibernate generated follow SQL-Statement (which contains a comma between two left-join clauses)</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">
select
customeror0_.id as id1_4_0_,
orderprodu1_.id as id1_5_1_,
product2_.id as id1_7_2_,
address3_.id as id1_0_3_,
customer4_.id as id1_3_4_,
address5_.id as id1_0_5_,
bankaccoun6_.id as id1_1_6_,
customeror0_.bankAccount as bankAcco6_4_0_,
customeror0_.billingAddress as billingA7_4_0_,
customeror0_.customer as customer8_4_0_,
customeror0_.orderDate as orderDat2_4_0_,
customeror0_.orderState as orderSta3_4_0_,
customeror0_.shippingAddress as shipping9_4_0_,
customeror0_.timeStamp as timeStam4_4_0_,
customeror0_.version as version5_4_0_,
orderprodu1_.amount as amount2_5_1_,
orderprodu1_.customerOrder as customer5_5_1_,
orderprodu1_.product as product6_5_1_,
orderprodu1_.timeStamp as timeStam3_5_1_,
orderprodu1_.version as version4_5_1_,
orderprodu1_.customerOrder as customer5_4_0__,
orderprodu1_.id as id1_5_0__,
product2_.amount as amount2_7_2_,
product2_.currency as currency3_7_2_,
product2_.producer as producer8_7_2_,
product2_.productName as productN4_7_2_,
product2_.productNo as productN5_7_2_,
product2_.timeStamp as timeStam6_7_2_,
product2_.version as version7_7_2_,
address3_.address as address2_0_3_,
address3_.city as city3_0_3_,
address3_.country as country4_0_3_,
address3_.firstName as firstNam5_0_3_,
address3_.housenumber as housenum6_0_3_,
address3_.lastName as lastName7_0_3_,
address3_.timeStamp as timeStam8_0_3_,
address3_.version as version9_0_3_,
address3_.zipCode as zipCode10_0_3_,
customer4_.billingAddress as billingA7_3_4_,
customer4_.email as email2_3_4_,
customer4_.firstName as firstNam3_3_4_,
customer4_.lastName as lastName4_3_4_,
customer4_.shippingAddress as shipping8_3_4_,
customer4_.shoppingCard as shopping9_3_4_,
customer4_.timeStamp as timeStam5_3_4_,
customer4_.version as version6_3_4_,
address5_.address as address2_0_5_,
address5_.city as city3_0_5_,
address5_.country as country4_0_5_,
address5_.firstName as firstNam5_0_5_,
address5_.housenumber as housenum6_0_5_,
address5_.lastName as lastName7_0_5_,
address5_.timeStamp as timeStam8_0_5_,
address5_.version as version9_0_5_,
address5_.zipCode as zipCode10_0_5_,
bankaccoun6_.accountNo as accountN2_1_6_,
bankaccoun6_.bank as bank3_1_6_,
bankaccoun6_.bic as bic4_1_6_,
bankaccoun6_.blz as blz5_1_6_,
bankaccoun6_.customer as customer9_1_6_,
bankaccoun6_.iban as iban6_1_6_,
bankaccoun6_.timeStamp as timeStam7_1_6_,
bankaccoun6_.version as version8_1_6_
from
CustomerOrder customeror0_
left <span class="code-keyword" style="color: #000091">outer</span> join
Order_Product orderprodu1_
on customeror0_.id=orderprodu1_.customerOrder
left <span class="code-keyword" style="color: #000091">outer</span> join
Product product2_
on orderprodu1_.product=product2_.id,
left <span class="code-keyword" style="color: #000091">outer</span> join
Address address3_
on customeror0_.billingAddress=address3_.id
left <span class="code-keyword" style="color: #000091">outer</span> join
Customer customer4_
on customeror0_.customer=customer4_.id
left <span class="code-keyword" style="color: #000091">outer</span> join
Address address5_
on customeror0_.shippingAddress=address5_.id
left <span class="code-keyword" style="color: #000091">outer</span> join
BankAccount bankaccoun6_
on customeror0_.bankAccount=bankaccoun6_.id
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I've created also a testcase as a pull request on GitHub.</p>
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<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
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<td class="actions-pattern-action-icon-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0px; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-9392#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none"> <img class="actions-pattern-action-icon-image" src="cid:jira-generated-image-static-comment-icon-371a8962-454d-4924-a52c-ed69da2467ae" alt="Add Comment" title="Add Comment" height="16" width="16" border="0" style="vertical-align: middle" /> </a>
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<td class="actions-pattern-action-text-container" style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 4px; padding-left: 5px"> <a href="https://hibernate.atlassian.net/browse/HHH-9392#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none">Add Comment</a>
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<td id="footer-pattern" style="padding: 0px; border-collapse: collapse; padding: 12px 20px">
<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
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