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MDL-17038 - refine query to limit size of returned data.

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Author: Peter Bulmer <peter.bulmer@catalyst.net.nz>
This commit is contained in:
peterbulmer 2008-10-30 01:16:06 +00:00
parent 1500142bfb
commit 6ff7d16b25
1 changed files with 22 additions and 26 deletions
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48
auth/mnet/auth.php
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@ -772,32 +772,28 @@ class auth_plugin_mnet extends auth_plugin_base {
join("\n", $mnet_request->error)); join("\n", $mnet_request->error));
break; break;
} }
$query = "
$query = "SELECT SELECT
l.id as remoteid, mhostlogs.remoteid, mhostlogs.time, mhostlogs.userid, mhostlogs.ip,
l.time, mhostlogs.course, mhostlogs.module, mhostlogs.cmid, mhostlogs.action,
l.userid, mhostlogs.url, mhostlogs.info, mhostlogs.username, c.fullname as coursename,
l.ip, c.modinfo
l.course, FROM
l.module, (
l.cmid, SELECT
l.action, l.id as remoteid, l.time, l.userid, l.ip, l.course, l.module, l.cmid,
l.url, l.action, l.url, l.info, u.username
l.info, FROM
c.fullname as coursename, {user} u
c.modinfo as modinfo, INNER JOIN {log} l on l.userid = u.id
u.username WHERE
FROM u.mnethostid = ?
{user} u, AND l.id > ?
{log} l, ORDER BY remoteid ASC
{course} c LIMIT 500
WHERE ) mhostlogs
l.userid = u.id AND INNER JOIN {course} c on c.id = mhostlogs.course
u.mnethostid = ? AND ORDER by mhostlogs.remoteid ASC";
l.id > ? AND
c.id = l.course
ORDER BY
remoteid ASC";
$results = $DB->get_records_sql($query, array($mnethostid, $mnet_request->response['last log id'])); $results = $DB->get_records_sql($query, array($mnethostid, $mnet_request->response['last log id']));