<!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: #333; 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: 0pt; mso-table-rspace: 0pt; background-color: #f5f5f5; border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<!-- header here -->
<tr>
<td id="header-pattern-container" style="padding: 0px; border-collapse: collapse; padding: 10px 20px">
<table id="header-pattern" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td id="header-avatar-image-container" valign="top" style="padding: 0px; border-collapse: collapse; vertical-align: top; width: 32px; padding-right: 8px"> <img id="header-avatar-image" class="image_fix" src="https://secure.gravatar.com/avatar/6483cce23ded1eea4a9f6620ad460892?d=mm&s=48" height="32" width="32" border="0" style="border-radius: 3px; vertical-align: top" />
</td>
<td id="header-text-container" valign="middle" style="padding: 0px; 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="bplies" id="email_bplies" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=bplies" style="color:#6c797f;; color: #3b73af; text-decoration: none">Bradley Plies</a> <strong>commented</strong> on <a href="https://hibernate.atlassian.net/browse/HHH-7613" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-a6a37a03-e7b6-41b6-8b9e-fc39d71bf208" height="16" width="16" border="0" align="absmiddle" alt="Bug" /> HHH-7613</a>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td id="email-content-container" style="padding: 0px; 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: 0pt; mso-table-rspace: 0pt; border-spacing: 0; border-collapse: separate">
<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: 0px; border-collapse: collapse; color: #fff; padding: 0 15px 0 16px; height: 15px; background-color: #fff; border-left: 1px solid #ccc; border-top: 1px solid #ccc; border-right: 1px solid #ccc; 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">
</td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #fff">
<table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<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-7613" style="color: #3b73af; text-decoration: none">Re: JPA2 Criteria API creates invalid SQL when using groupBy</a> </span>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td id="text-paragraph-pattern-top" class="email-content-main mobile-expand comment-top-pattern" style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #fff; border-bottom: none; padding-bottom: 0">
<table class="text-paragraph-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 2px">
<tr>
<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0">
<p style="margin: 10px 0 0 0">GROUP BY problems with Domain objects on Postgres is common to <a href="https://hibernate.atlassian.net/browse/HHH-1615" title="GROUP BY entity does not work" class="issue-link" data-issue-key="HHH-1615" style="color: #3b73af; text-decoration: none">HHH-1615</a>, <a href="https://hibernate.atlassian.net/browse/HHH-1865" title="Group by does not expand columns" class="issue-link" data-issue-key="HHH-1865" style="color: #3b73af; text-decoration: none"></a></p>
<del>
HHH-1865
</del>, <a href="https://hibernate.atlassian.net/browse/HHH-2436" title="Allow grouping by entity reference (per JPA spec)" class="issue-link" data-issue-key="HHH-2436" style="color: #3b73af; text-decoration: none"></a>
<del>
HHH-2436
</del> and spurred a TODO for HQL translator reworking in <a href="https://hibernate.atlassian.net/browse/HHH-2407" title="rework HQL translator" class="issue-link" data-issue-key="HHH-2407" style="color: #3b73af; text-decoration: none">HHH-2407</a>. Mostly these have to do with aggregations with GROUP BY..
<p style="margin: 10px 0 0 0"><a href="https://hibernate.atlassian.net/browse/HHH-1615" title="GROUP BY entity does not work" class="issue-link" data-issue-key="HHH-1615" style="color: #3b73af; text-decoration: none">HHH-1615</a> provides patches that will help you auto-expand a Domain object's fields into the SELECT and GROUP BY clause. Alternative non-patch query restructuring is discussed in the <a href="https://hibernate.atlassian.net/browse/HHH-1615" title="GROUP BY entity does not work" class="issue-link" data-issue-key="HHH-1615" style="color: #3b73af; text-decoration: none">HHH-1615</a> commentary to essentially sub-select. </p>
<p style="margin: 10px 0 0 0">For non-aggregation, <a href="http://stackoverflow.com/questions/12403399/jpa2-criteria-api-creates-invalid-sql-when-using-groupby" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">http://stackoverflow.com/questions/12403399/jpa2-criteria-api-creates-invalid-sql-when-using-groupby</a> mentions that Postgres 9.2 had an improvement whereby only the primary key field was necessary in the GROUP BY (and not all other selected fields). This improvement doesn't seem to apply to aggregation however.</p>
</td>
</tr>
</table>
</td>
</tr>
<tr>
<td class="email-content-main mobile-expand " style="padding: 0px; border-collapse: collapse; border-left: 1px solid #ccc; border-right: 1px solid #ccc; border-top: 0; border-bottom: 0; padding: 0 15px 0 16px; background-color: #fff">
<table id="actions-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 1px">
<tr>
<td id="actions-pattern-container" valign="middle" style="padding: 0px; border-collapse: collapse; padding: 10px 0 10px 24px; vertical-align: middle; padding-left: 0">
<table align="left" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<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-7613#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-ffb90b7f-9709-4004-973e-b2a61f84a92b" 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: 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-7613#add-comment" target="_blank" title="Add Comment" style="color: #3b73af; text-decoration: none">Add Comment</a>
</td>
</tr>
</table>
</td>
</tr>
</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: 0px; border-collapse: collapse; color: #fff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #fff; border-top: 0; border-left: 1px solid #ccc; border-bottom: 1px solid #ccc; border-right: 1px solid #ccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly">
</td>
</tr>
</table>
</td>
</tr>
<tr>
<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">
<tr>
<td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0px; border-collapse: collapse; color: #999; 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">(v6.4-OD-11-012#64007-<span title="af469b7337b45c5b85b57027f049854a8257d66d" data-commit-id="af469b7337b45c5b85b57027f049854a8257d66d}">sha1:af469b7</span>)</span>
</td>
<td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0px; border-collapse: collapse; padding-left: 20px; vertical-align: top">
<table style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt">
<tr>
<td id="footer-pattern-logo-desktop-padding" style="padding: 0px; border-collapse: collapse; padding-top: 3px"> <img id="footer-pattern-logo-desktop" src="cid:jira-generated-image-static-footer-desktop-logo-efe342f6-ca20-4948-8a18-7a4e682959ee" alt="Atlassian logo" title="Atlassian logo" width="169" height="36" class="image_fix" />
</td>
</tr>
</table>
</td>
</tr>
</table>
</td>
</tr>
</table>
</body>
</html>