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<td class="page-title-pattern-first-line " style="padding: 0; 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-11430" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-62e42581-f419-4de3-bf64-091143d404dc" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11430" style="color: #3b73af; text-decoration: none">HHH-11430</a> </td>
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<td style="vertical-align: top;; padding: 0; 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-11430" style="color: #3b73af; text-decoration: none">Streaming failing when using Mariadb connector</a> </span> </td>
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<td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-62e42581-f419-4de3-bf64-091143d404dc" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </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">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.2.7 </td>
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<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> Unassigned </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">Attachments:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate_streaming_mariadb.zip </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">Components:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> hibernate-core </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">Created:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 27/Jan/2017 03:50 AM </td>
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<td class="has-icon" style="padding: 0; 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-critical-1594541d-b87a-41a1-81ef-8c518571899f" height="16" width="16" border="0" align="absmiddle" alt="Critical" style="vertical-align: text-bottom"> Critical </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">Reporter:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="fgaule" id="email_fgaule" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=fgaule" style="color:#6c797f;; color: #3b73af; text-decoration: none">Federico Gaule</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">Trying to do streaming of an entity which has a collection (@OneToMany) with a criteria specifying a fetchType, hibernate uses org.hibernate.loader.Loader#loadSequentialRowsForward to do the fetching where calls ResultSet#isAfterLast</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Checking isAfterLast javadoc it says when using streaming (TYPE_FORWARD_ONLY) support is OPTIONAL. So it seems that mariadb guys took that seriously and doesn't have support.</p>
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<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
/**
* Retrieves whether the cursor is after the last row in
* <span class="code-keyword" style="color: #000091">this</span> <code>ResultSet</code> object.
* <p>
* <strong>Note:</strong>Support <span class="code-keyword" style="color: #000091">for</span> the <code>isAfterLast</code> method
* is optional <span class="code-keyword" style="color: #000091">for</span> <code>ResultSet</code>s with a result
* set type of <code>TYPE_FORWARD_ONLY</code>
*
* @<span class="code-keyword" style="color: #000091">return</span> <code><span class="code-keyword" style="color: #000091">true</span></code> <span class="code-keyword" style="color: #000091">if</span> the cursor is after the last row;
* <code><span class="code-keyword" style="color: #000091">false</span></code> <span class="code-keyword" style="color: #000091">if</span> the cursor is at any other position or the
* result set contains no rows
* @exception SQLException <span class="code-keyword" style="color: #000091">if</span> a database access error occurs or <span class="code-keyword" style="color: #000091">this</span> method is
* called on a closed result set
* @exception SQLFeatureNotSupportedException <span class="code-keyword" style="color: #000091">if</span> the JDBC driver does not support
* <span class="code-keyword" style="color: #000091">this</span> method
* @since 1.2
*/
<span class="code-object" style="color: #910091">boolean</span> isAfterLast() <span class="code-keyword" style="color: #000091">throws</span> SQLException;
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</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I've attached a piece of code reproducing this case. I have alse test it using mysql and h2, and in those cases it works.<br> NOTE: you need to define a database hostname, database, user and pass in persistence.xml</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Is it possible to replace the call to a method that is defined as optional when using a flag that is required for streaming?</p> </td>
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"name": "View Issue"
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