** Also affects: mahara/18.10
Importance: Undecided
Status: New
** Changed in: mahara/19.10
Milestone: None => 19.10.0
** Changed in: mahara/19.04
Milestone: None => 19.04.2
** Changed in: mahara/18.10
Milestone: None => 18.10.3
** Changed in: mahara/19.10
Status: New => Fix Committed
** Changed in: mahara/19.04
Status: New => In Progress
** Changed in: mahara/18.10
Status: New => In Progress
** Changed in: mahara/19.10
Importance: Undecided => High
** Changed in: mahara/19.04
Importance: Undecided => High
** Changed in: mahara/18.10
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1839499
Title:
Site pages and collections : Site unavailable error after enabling lti
plugin.
Status in Mahara:
Fix Committed
Status in Mahara 18.10 series:
In Progress
Status in Mahara 19.04 series:
In Progress
Status in Mahara 19.10 series:
Fix Committed
Bug description:
Hi,
I use Mahara 18.10.1 on ubunto 16.04.3, php 7.0.8, apache2 and
Postgres 10.6.
After enabling LTI plugin , and logging as a non-admin user , if we
visit pages and collections page, it will through site unavailable
error.
Steps to reproduce
* Visit the site.
* Make sure we have enabled the LTI Plugin.
* Login as a non-admin user.
* Go to the Pages and collections page(Main menu->Create->Pages and
Collections)
* Site unavailable Error
More precisely,On switching on the debug mode We are getting this
error because of an Sql Exception after swtiching on the lTI plugin.It
says group by is required while selecting a.id (lti as a )when using
aggregate function.
Here goes the git diff output:
diff --git a/htdocs/lib/view.php b/htdocs/lib/view.php
--- a/htdocs/lib/view.php
+++ b/htdocs/lib/view.php
@@ -4168,8 +4168,9 @@ class View {
$collfrom .= $fromstr;
if (!empty($groupby)) {
- $groupby .= ', g.id, h.wwwroot';
- $collgroupby .= ', g.id, h.wwwroot';
+ // CATALYST CUSTOM - adding groupby condition for
lti_assessment id column.
+ $groupby .= ', g.id, h.wwwroot' . ($haslti ? ', a.id' : '');
+ $collgroupby .= ', g.id, h.wwwroot' . ($haslti ? ', a.id' :
'');
}
$sort = '
ORDER BY ' . $order . ' vtitle, vid';
To correct this problem we need to add the LTI (a.id) in the group by
condition(with a condition if LTI is enabled)
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