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MDL-30643 - Added temporary tables to store the stats results until generation is complete.

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This commit is contained in:
Tyler Bannister
2012-11-09 15:34:01 -05:00
parent 9c1600f10f
commit 0934f5c304
1 changed files with 93 additions and 38 deletions
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lib/statslib.php
+93 -38
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@@ -232,7 +232,7 @@ function stats_cron_daily($maxdays=1) {
// Process login info first
// Note: PostgreSQL doesn't like aliases in HAVING clauses
$sql = "INSERT INTO {stats_user_daily}
$sql = "INSERT INTO {temp_stats_user_daily}
(stattype, timeend, courseid, userid, statsreads)
SELECT 'logins', $nextmidnight AS timeend, ".SITEID." AS courseid,
@@ -249,11 +249,11 @@ function stats_cron_daily($maxdays=1) {
stats_progress('1');
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'logins' AS stattype, $nextmidnight AS timeend, ".SITEID." AS courseid, 0,
COALESCE(SUM(statsreads), 0) as stat1, COUNT('x') as stat2
FROM {stats_user_daily}
FROM {temp_stats_user_daily}
WHERE stattype = 'logins' AND timeend = $nextmidnight";
if ($logspresent && !stats_run_query($sql)) {
@@ -273,7 +273,7 @@ function stats_cron_daily($maxdays=1) {
// in that case, we'll count non-deleted users.
//
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'enrolments' AS stattype, $nextmidnight AS timeend, e.courseid, ra.roleid,
COUNT(DISTINCT ue.userid) AS stat1, 0 AS stat2
@@ -290,7 +290,7 @@ function stats_cron_daily($maxdays=1) {
stats_progress('3');
// using table alias in UPDATE does not work in pg < 8.2
$sql = "UPDATE {stats_daily}
$sql = "UPDATE {temp_stats_daily}
SET stat2 = (
SELECT COUNT(DISTINCT ra.userid)
@@ -298,13 +298,13 @@ function stats_cron_daily($maxdays=1) {
JOIN {context} c ON (c.id = ra.contextid AND c.contextlevel = :courselevel)
JOIN {enrol} e ON e.courseid = c.instanceid
JOIN {user_enrolments} ue ON (ue.enrolid = e.id AND ue.userid = ra.userid)
WHERE ra.roleid = {stats_daily}.roleid
AND e.courseid = {stats_daily}.courseid
WHERE ra.roleid = {temp_stats_daily}.roleid
AND e.courseid = {temp_stats_daily}.courseid
AND EXISTS (
SELECT 'x'
FROM {temp_log1} l
WHERE l.course = {stats_daily}.courseid
WHERE l.course = {temp_stats_daily}.courseid
AND l.userid = ra.userid
)
)
@@ -323,7 +323,7 @@ function stats_cron_daily($maxdays=1) {
stats_progress('4');
// Now get course total enrolments (roleid==0) - except frontpage
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'enrolments', $nextmidnight AS timeend, e.courseid AS courseid, 0 AS roleid,
COUNT(DISTINCT userid) AS stat1, 0 AS stat2
@@ -338,26 +338,26 @@ function stats_cron_daily($maxdays=1) {
}
stats_progress('5');
$sql = "UPDATE {stats_daily}
$sql = "UPDATE {temp_stats_daily}
SET stat2 = (
SELECT COUNT(DISTINCT ue.userid)
FROM {enrol} e
JOIN {user_enrolments} ue ON ue.enrolid = e.id
WHERE e.courseid = {stats_daily}.courseid
WHERE e.courseid = {temp_stats_daily}.courseid
AND EXISTS (
SELECT 'x'
FROM {temp_log1} l
WHERE l.course = {stats_daily}.courseid
WHERE l.course = {temp_stats_daily}.courseid
AND l.userid = ue.userid
)
)
WHERE {stats_daily}.stattype = 'enrolments'
AND {stats_daily}.timeend = $nextmidnight
AND {stats_daily}.roleid = 0
AND {stats_daily}.courseid IN (
WHERE {temp_stats_daily}.stattype = 'enrolments'
AND {temp_stats_daily}.timeend = $nextmidnight
AND {temp_stats_daily}.roleid = 0
AND {temp_stats_daily}.courseid IN (
SELECT l.course
FROM {temp_log2} l
@@ -370,7 +370,7 @@ function stats_cron_daily($maxdays=1) {
stats_progress('6');
// Frontpage(==site) enrolments total
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'enrolments', $nextmidnight, ".SITEID.", 0, $totalactiveusers AS stat1,
$dailyactiveusers AS stat2" .
@@ -386,18 +386,19 @@ function stats_cron_daily($maxdays=1) {
if ($defaultfproleid) {
// first remove default frontpage role counts if created by previous query
$sql = "DELETE
FROM {stats_daily}
FROM {temp_stats_daily}
WHERE stattype = 'enrolments'
AND courseid = ".SITEID."
AND roleid = $defaultfproleid
AND timeend = $nextmidnight";
if ($logspresent && !stats_run_query($sql)) {
$failed = true;
break;
}
stats_progress('8');
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'enrolments', $nextmidnight, ".SITEID.", $defaultfproleid,
$totalactiveusers AS stat1, $dailyactiveusers AS stat2" .
@@ -418,7 +419,7 @@ function stats_cron_daily($maxdays=1) {
/// individual user stats (including not-logged-in) in each course, this is slow - reuse this data if possible
list($viewactionssql, $params1) = $DB->get_in_or_equal($viewactions, SQL_PARAMS_NAMED, 'view');
list($postactionssql, $params2) = $DB->get_in_or_equal($postactions, SQL_PARAMS_NAMED, 'post');
$sql = "INSERT INTO {stats_user_daily} (stattype, timeend, courseid, userid, statsreads, statswrites)
$sql = "INSERT INTO {temp_stats_user_daily} (stattype, timeend, courseid, userid, statsreads, statswrites)
SELECT 'activity' AS stattype, $nextmidnight AS timeend, course AS courseid, userid,
SUM(CASE WHEN action $viewactionssql THEN 1 ELSE 0 END) AS statsreads,
@@ -435,7 +436,7 @@ function stats_cron_daily($maxdays=1) {
/// how many view/post actions in each course total
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'activity' AS stattype, $nextmidnight AS timeend, c.id AS courseid, 0,
SUM(CASE WHEN l.action $viewactionssql THEN 1 ELSE 0 END) AS stat1,
@@ -453,13 +454,13 @@ function stats_cron_daily($maxdays=1) {
/// how many view actions for each course+role - excluding guests and frontpage
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'activity', $nextmidnight AS timeend, courseid, roleid, SUM(statsreads), SUM(statswrites)
FROM (
SELECT pl.courseid, pl.roleid, sud.statsreads, sud.statswrites
FROM {stats_user_daily} sud, (
FROM {temp_stats_user_daily} sud, (
SELECT DISTINCT ra.userid, ra.roleid, e.courseid
FROM {role_assignments} ra
@@ -471,8 +472,8 @@ function stats_cron_daily($maxdays=1) {
) pl
WHERE sud.userid = pl.userid
AND sud.courseid = pl.courseid
AND sud.timeend = $nextmidnight AND
sud.stattype='activity'
AND sud.timeend = $nextmidnight
AND sud.stattype='activity'
) inline_view
GROUP BY timeend, courseid, roleid
@@ -487,14 +488,14 @@ function stats_cron_daily($maxdays=1) {
/// how many view actions from guests only in each course - excluding frontpage
/// normal users may enter course with temporary guest access too
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'activity', $nextmidnight AS timeend, courseid, $guestrole AS roleid,
SUM(statsreads), SUM(statswrites)
FROM (
SELECT sud.courseid, sud.statsreads, sud.statswrites
FROM {stats_user_daily} sud
FROM {temp_stats_user_daily} sud
WHERE sud.timeend = $nextmidnight
AND sud.courseid <> ".SITEID."
AND sud.stattype='activity'
@@ -518,13 +519,13 @@ function stats_cron_daily($maxdays=1) {
/// how many view actions for each role on frontpage - excluding guests, not-logged-in and default frontpage role
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'activity', $nextmidnight AS timeend, courseid, roleid,
SUM(statsreads), SUM(statswrites)
FROM (
SELECT pl.courseid, pl.roleid, sud.statsreads, sud.statswrites
FROM {stats_user_daily} sud, (
FROM {temp_stats_user_daily} sud, (
SELECT DISTINCT ra.userid, ra.roleid, c.instanceid AS courseid
FROM {role_assignments} ra
@@ -551,14 +552,15 @@ function stats_cron_daily($maxdays=1) {
/// how many view actions for default frontpage role on frontpage only
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'activity', timeend, courseid, $defaultfproleid AS roleid,
SUM(statsreads), SUM(statswrites)
FROM (
SELECT sud.timeend AS timeend, sud.courseid, sud.statsreads, sud.statswrites
FROM {stats_user_daily} sud
WHERE sud.timeend = :nextm AND sud.courseid = :siteid
FROM {temp_stats_user_daily} sud
WHERE sud.timeend = :nextm
AND sud.courseid = :siteid
AND sud.stattype='activity'
AND sud.userid <> $guest
AND sud.userid <> 0
@@ -581,14 +583,14 @@ function stats_cron_daily($maxdays=1) {
stats_progress('15');
/// how many view actions for guests or not-logged-in on frontpage
$sql = "INSERT INTO {stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
$sql = "INSERT INTO {temp_stats_daily} (stattype, timeend, courseid, roleid, stat1, stat2)
SELECT 'activity', $nextmidnight AS timeend, ".SITEID." AS courseid, $guestrole AS roleid,
SUM(statsreads), SUM(statswrites)
FROM (
SELECT sud.statsreads, sud.statswrites
FROM {stats_user_daily} sud
FROM {temp_stats_user_daily} sud
WHERE (sud.userid = $guest OR sud.userid = 0)
AND sud.timeend = $nextmidnight
AND sud.courseid = ".SITEID."
@@ -1559,6 +1561,34 @@ function stats_temp_table_create() {
$log->add_index('temp_tl_user_ix', XMLDB_INDEX_NOTUNIQUE, array('userid'));
$log->add_index('temp_tl_usecouact_ix', XMLDB_INDEX_NOTUNIQUE, array('userid','course','action'));
$user = new xmldb_table('temp_stats_daily');
$user->add_field('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$user->add_field('roleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$user->add_field('stattype', XMLDB_TYPE_CHAR, '20', null, XMLDB_NOTNULL, null, 'activity');
$user->add_field('timeend', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$user->add_field('stat1', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$user->add_field('stat2', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$user->add_index('temp_tsd_courseid_ix', XMLDB_INDEX_NOTUNIQUE, array('courseid'));
$user->add_index('temp_tsd_roleid_ix', XMLDB_INDEX_NOTUNIQUE, array('roleid'));
$user->add_index('temp_tsd_statype_ix', XMLDB_INDEX_NOTUNIQUE, array('stattype'));
$user->add_index('temp_tsd_timeend_ix', XMLDB_INDEX_NOTUNIQUE, array('timeend'));
$daily = new xmldb_table('temp_stats_user_daily');
$daily->add_field('courseid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$daily->add_field('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$daily->add_field('roleid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$daily->add_field('timeend', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$daily->add_field('statsreads', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$daily->add_field('statswrites', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, 0);
$daily->add_field('stattype', XMLDB_TYPE_CHAR, '30', null, XMLDB_NOTNULL, null, null);
$daily->add_index('temp_tsud_courseid_ix', XMLDB_INDEX_NOTUNIQUE, array('courseid'));
$daily->add_index('temp_tsud_userid_ix', XMLDB_INDEX_NOTUNIQUE, array('userid'));
$daily->add_index('temp_tsud_roleid_ix', XMLDB_INDEX_NOTUNIQUE, array('roleid'));
$daily->add_index('temp_tsud_stattype_ix', XMLDB_INDEX_NOTUNIQUE, array('stattype'));
$daily->add_index('temp_tsud_timeend_ix', XMLDB_INDEX_NOTUNIQUE, array('timeend'));
try {
$dbman->create_temp_table($log);
@@ -1566,6 +1596,10 @@ function stats_temp_table_create() {
$dbman->create_temp_table($log);
$dbman->create_temp_table($user);
$dbman->create_temp_table($daily);
} catch (Exception $e) {
mtrace("Temporary table creation failed!");
return false;
@@ -1582,7 +1616,7 @@ function stats_temp_table_drop() {
$dbman = $DB->get_manager();
$tables = array('temp_log1', 'temp_log2');
$tables = array('temp_log1', 'temp_log2', 'temp_stats_daily', 'temp_stats_user_daily');
foreach ($tables as $name) {
@@ -1613,7 +1647,7 @@ function stats_temp_table_fill($timestart, $timeend) {
SELECT userid, course, action FROM {log} l
WHERE l.time >= ? AND l.time < ?';
$DB->execute($sql);
$DB->execute($sql, array($timestart, $timeend));
$sql = 'INSERT INTO {temp_log2} (userid, course, action)
@@ -1633,10 +1667,31 @@ function stats_temp_table_fill($timestart, $timeend) {
function stats_temp_table_clean() {
global $DB;
$tables = array('temp_log1', 'temp_log2');
$sql = array();
$sql['up1'] = 'INSERT INTO {stats_daily} (courseid, roleid, stattype, timeend, stat1, stat2)
SELECT courseid, roleid, stattype, timeend, stat1, stat2 FROM {temp_stats_daily}';
$sql['up2'] = 'INSERT INTO {stats_user_daily}
(courseid, userid, roleid, timeend, statsreads, statswrites, stattype)
SELECT courseid, userid, roleid, timeend, statsreads, statswrites, stattype
FROM {temp_stats_user_daily}';
foreach ($sql as $id => $query) {
try {
$DB->execute($query);
} catch (Exception $e) {
mtrace("Error during table cleanup!");
return false;
}
}
$tables = array('temp_log1', 'temp_log2', 'temp_stats_daily', 'temp_stats_user_daily');
foreach ($tables as $name) {
$DB->delete_record($name);
$DB->delete_records($name);
}
return true;