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MDL-59779 analytics: Alternative to query log table

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This commit is contained in:
David Monllao 2017-08-17 17:44:47 +02:00 committed by David Monllao
parent cab7abec70
commit 1855cdeb75
1 changed files with 8 additions and 29 deletions
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37
analytics/classes/site.php
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@ -73,21 +73,14 @@ class site implements \core_analytics\analysable {
return $this->start;
}
if (!$logstore = \core_analytics\manager::get_analytics_logstore()) {
$this->start = 0;
return $this->start;
// Much faster than reading the first log in the site.
$admins = get_admins();
$this->start = 9999999999;
foreach ($admins as $admin) {
if ($admin->firstaccess < $this->start) {
$this->start = $admin->firstaccess;
}
}
// Basically a SELECT MIN(timecreated) FROM ...
$events = $logstore->get_events_select("", array(), "timecreated ASC", 0, 1);
if ($events) {
// There should be just 1 event.
$event = reset($events);
$this->start = intval($event->timecreated);
} else {
$this->start = 0;
}
return $this->start;
}
@ -101,21 +94,7 @@ class site implements \core_analytics\analysable {
return $this->end;
}
if (!$logstore = \core_analytics\manager::get_analytics_logstore()) {
$this->end = time();
return $this->end;
}
// Basically a SELECT MAX(timecreated) FROM ...
$events = $logstore->get_events_select("", array(), "timecreated DESC", 0, 1);
if ($events) {
// There should be just 1 event.
$event = reset($events);
$this->end = intval($event->timecreated);
} else {
$this->end = time();
}
$this->end = time();
return $this->end;
}
}