<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<base href="https://hibernate.atlassian.net">
<title>Message Title</title>
</head>
<body class="jira" style="color: #333333; font-family: Arial, sans-serif; font-size: 14px; line-height: 1.429">
<table id="background-table" cellpadding="0" cellspacing="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; background-color: #f5f5f5; border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0" bgcolor="#f5f5f5">
<!-- header here -->
<tbody>
<tr>
<td id="header-pattern-container" style="padding: 0; border-collapse: collapse; padding: 10px 20px">
<table id="header-pattern" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td id="header-avatar-image-container" valign="top" style="padding: 0; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 8px" width="32"> <img id="header-avatar-image" class="image_fix" src="https://avatar-cdn.atlassian.com/4bbf8eef966cd34c6c13247f48a46f90?s=48&d=https%3A%2F%2Fsecure.gravatar.com%2Favatar%2F4bbf8eef966cd34c6c13247f48a46f90%3Fd%3Dmm%26s%3D48%26noRedirect%3Dtrue" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top"> </td>
<td id="header-text-container" valign="middle" style="padding: 0; border-collapse: collapse; vertical-align: middle; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px"> <a class="user-hover" rel="mmariotti" id="email_mmariotti" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mmariotti" style="color:#6c797f;; color: #3b73af; text-decoration: none">Michele Mariotti</a> <strong>updated</strong> an issue </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td id="email-content-container" style="padding: 0; border-collapse: collapse; padding: 0 20px">
<table id="email-content-table" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; border-spacing: 0; border-collapse: separate">
<tbody>
<tr>
<!-- there needs to be content in the cell for it to render in some clients -->
<td class="email-content-rounded-top mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 15px; background-color: #ffffff; border-left: 1px solid #cccccc; border-top: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom: 0; border-top-right-radius: 5px; border-top-left-radius: 5px; height: 10px; line-height: 10px; padding: 0 15px 0 16px; mso-line-height-rule: exactly" height="10" bgcolor="#ffffff"> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff" bgcolor="#ffffff">
<table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<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-12003" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-a31c6be0-d7d2-4eb5-98ec-700d093d3ad0" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-12003" style="color: #3b73af; text-decoration: none">HHH-12003</a> </td>
</tr>
<tr>
<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-12003" style="color: #3b73af; text-decoration: none">incoherent em.persist() behavior [validation vs statement generation]</a> </span> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand wrapper-special-margin" style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff; padding-top: 10px; padding-bottom: 5px" bgcolor="#ffffff">
<table class="keyvalue-table" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<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: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="mmariotti" id="email_mmariotti" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mmariotti" style="color:#6c797f;; color: #3b73af; text-decoration: none">Michele Mariotti</a> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand issue-description-container" style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff; padding-top: 5px; padding-bottom: 10px" bgcolor="#ffffff">
<table class="text-paragraph-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 2px">
<tbody>
<tr>
<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">Consider a simple entity _Node_ with two properties:<br>* name (*required* with a @NotNull and the db column is *not* allowing nulls)<br>* label (*optional* and the db column is allowing nulls)<br><br>Then consider this test:<br><br>{code:java}<br>@Test<br>public void test1()<br>{<br> accept(em -><br> {<br> Node n = new Node();<br> em.persist(n);<br> <br> n.setName("node-1");<br> n.setLabel("label-1");<br> });<br>}<br>{code}<br><br>test1 will fail with:<br><br>{noformat}<br>Caused by: java.sql.SQLIntegrityConstraintViolationException: Column 'NAME' cannot accept a NULL value.<br>{noformat}<br><br>The *incoherence* is in the fact that no consistent behavior is met.<br>A consistent behavior is either one: <br>* a javax.validation.ConstraintViolationException (for @NotNull) should be thrown (on persist or flush/commit)<br>* or test1 should pass<br><br>Supposing that the expected behavior is a validation exception being thrown, the validator is executed on the entity on flush/commit time, but at that time the entity has the "name" set.<br>Then, this leads to an out-of-sync between the entity being validated and the generated statement to be executed, making validation return a false positive.<br><br>To show it, consider a second simple test:<br><br>{code:java}<br>@Test<br>public void test2()<br>{<br> accept(em -><br> {<br> Node n = new Node();<br> em.persist(n);<br> });<br>}<br>{code}<br><br>Correctly, this is failing with:<br>{noformat}<br>Caused by: javax.validation.ConstraintViolationException: Validation failed for classes [hibernate.model.Node] during persist time for groups [javax.validation.groups.Default, ]<br>List of constraint violations:[<br> ConstraintViolationImpl{interpolatedMessage='may not be null', propertyPath=name, rootBeanClass=class hibernate.model.Node, messageTemplate='{javax.validation.constraints.NotNull.message}'}<br>]<br>{noformat}<br><br> <br><br>On the other hand, supposing that the expected behavior is that test1 should pass, the incoherence is due to statement generation time.<br><br>To show it, consider a second simple test:<br>{code:java}<br>@Test<br>public void test3()<br>{<br> accept(em -><br> {<br> Node n = new Node();<br> n.setName("node-3");<br><br> em.persist(n);<br> <br> n.setLabel("label-3");<br> });<br> <br> Node n = apply(em -> em.createQuery("select x from Node x", Node.class).getSingleResult());<br> <br> Assert.assertEquals("label-3", n.getLabel());<br>}<br>{code}<br><br>Even if the test passes, *two* statements are generated (and executed).<br><br>{noformat}<br>Hibernate: insert into Node (label, name, id) values (?, ?, ?)<br>Hibernate: update Node set label=?, name=? where id=?<br>{noformat}<br><br>I suppose the first statement is generated on persist and the second on flush/commit;<br>but, in this case, I'm expecting a single insert statement generated</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> on flush/commit time and</span> <span class="diffcontext"> *immediately after* the entity has been validated</span> <span class="diffaddedchars" style="background-color:#ddfade;"> (then on flush/commit time)</span> <span class="diffcontext">.<br><br><br>In conclusion, I see</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> to</span> <span class="diffaddedchars" style="background-color:#ddfade;"> two</span> <span class="diffcontext"> possible solutions:<br>* run the validator inside persist()<br>* postpone statements generation to flush/commit time<br><br>I will upload a test case as soon as I can.<br>Thank you.<br><br></span> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0; border-collapse: collapse; border-left: 1px solid #cccccc; border-right: 1px solid #cccccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #ffffff" bgcolor="#ffffff"> <script type="application/ld+json">
{
"@context": "http://schema.org",
"@type": "EmailMessage",
"description": "View Issue",
"potentialAction": {
"@type": "ViewAction",
"target": "https://hibernate.atlassian.net/browse/HHH-12003?inbox=true&",
"name": "View Issue"
},
"publisher": {
"@type": "Organization",
"name": "Atlassian",
"url": "https://www.atlassian.com"
}
}
</script>
<table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">
<tbody>
<tr>
<td id="actions-pattern-container" valign="middle" style="padding: 0; border-collapse: collapse; padding: 10px 0 10px 24px; vertical-align: middle; padding-left: 0">
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td class="actions-pattern-action-icon-container" style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 0; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-12003#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-7df3a083-d30a-4d96-adb0-0b472cd17b4d" alt="Add Comment" title="Add Comment" height="16" width="16" border="0" style="vertical-align: middle"> </a> </td>
<td class="actions-pattern-action-text-container" style="padding: 0; 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-12003#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none">Add Comment</a> </td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table> </td>
</tr>
<!-- there needs to be content in the cell for it to render in some clients -->
<tr>
<td class="email-content-rounded-bottom mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #ffffff; border-top: 0; border-left: 1px solid #cccccc; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly" height="5" bgcolor="#ffffff"> </td>
</tr>
</tbody>
</table> </td>
</tr>
<tr>
<td id="footer-pattern" style="padding: 0; border-collapse: collapse; padding: 12px 20px">
<table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td id="footer-pattern-mobile-separated-links" class="mobile-resize-text" width="100%" colspan="2" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> Get JIRA notifications on your phone! Download the JIRA Cloud app for <a href="https://play.google.com/store/apps/details?id=com.atlassian.android.jira.core&referrer=utm_source%3DNotificationLink%26utm_medium%3DEmail" style="color: #3b73af; text-decoration: none">Android</a> or <a href="https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=EmailNotificationLink&mt=8" style="color: #3b73af; text-decoration: none">iOS</a>
<hr> </td>
</tr>
<tr>
<td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> This message was sent by Atlassian Jira <span id="footer-build-information">(v1001.0.0-SNAPSHOT#100060-<span title="18ed7744b6dc8a955b03e58209a957f27b172fac" data-commit-id="18ed7744b6dc8a955b03e58209a957f27b172fac}">sha1:18ed774</span>)</span> </td>
<td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0; border-collapse: collapse; padding-left: 20px; vertical-align: top">
<table style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0">
<tbody>
<tr>
<td id="footer-pattern-logo-desktop-padding" style="padding: 0; border-collapse: collapse; padding-top: 3px"> <img id="footer-pattern-logo-desktop" src="cid:jira-generated-image-static-footer-desktop-logo-0dbf8eda-bd45-4fa8-9ec3-3e17f066f9c2" alt="Atlassian logo" title="Atlassian logo" width="192" height="24" class="image_fix"> </td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table> </td>
</tr>
</tbody>
</table>
<img src="https://u4043402.ct.sendgrid.net/wf/open?upn=YNXLe5Uzuivj8jGpuXra04BSJ-2BS7raa1puTAtyVUP-2F0vngXMYTK-2FS3Irgj0Y-2FFD4Wl-2F-2BrE5jegdveLjmq2KeJ5K-2Bf-2FnXpEGsF3N-2BvqWzW1Mg5m-2B350nquUtx-2BTwmX0PCTULMFsxMzFJrGEuePzlCLmm9OfoBWRLIU-2BiPDiuaudt6ELaEzIWE8DmNmGuP9kbmw0WtU8DQ5BSjsEJIFCV5Y4eA4GsB1Ur3yO2j1mDtYgpHcaY-2FLnTOlWecvtiD6hgg" alt="" width="1" height="1" border="0" style="height:1px !important;width:1px !important;border-width:0 !important;margin-top:0 !important;margin-bottom:0 !important;margin-right:0 !important;margin-left:0 !important;padding-top:0 !important;padding-bottom:0 !important;padding-right:0 !important;padding-left:0 !important;"/>
</body>
</html>