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Merge pull request #3465 from annando/bugfix-dba-1

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Bugfix: dba::num_rows hadn't checked the object variable
This commit is contained in:
Hypolite Petovan 2017-05-16 02:05:16 -04:00 committed by GitHub
parent 2fbfe1aea6 41f94a62fc
commit 48e3f4f47f
2 changed files with 99 additions and 25 deletions
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27
include/dba.php
View file

@ -459,6 +459,27 @@ class dba {
return $sql;
}
/**
* @brief beautifies the query - useful for "SHOW PROCESSLIST"
*
* This is safe when we bind the parameters later.
* The parameter values aren't part of the SQL.
*
* @param string $sql An SQL string without the values
* @return string The input SQL string modified if necessary.
*/
public function clean_query($sql) {
$search = array("\t", "\n", "\r", " ");
$replace = array(' ', ' ', ' ', ' ');
do {
$oldsql = $sql;
$sql = str_replace($search, $replace, $sql);
} while ($oldsql != $sql);
return $sql;
}
/**
* @brief Replaces the ? placeholders with the parameters in the $args array
*
@ -521,6 +542,7 @@ class dba {
logger('Parameter mismatch. Query "'.$sql.'" - Parameters '.print_r($args, true), LOGGER_DEBUG);
}
$sql = self::$dbo->clean_query($sql);
$sql = self::$dbo->any_value_fallback($sql);
if (x($a->config,'system') && x($a->config['system'], 'db_callstack')) {
@ -708,6 +730,9 @@ class dba {
* @return int Number of rows
*/
static public function num_rows($stmt) {
if (!is_object($stmt)) {
return 0;
}
switch (self::$dbo->driver) {
case 'pdo':
return $stmt->rowCount();
@ -1200,6 +1225,7 @@ function q($sql) {
unset($args[0]);
if ($db && $db->connected) {
$sql = $db->clean_query($sql);
$sql = $db->any_value_fallback($sql);
$stmt = @vsprintf($sql,$args); // Disabled warnings
//logger("dba: q: $stmt", LOGGER_ALL);
@ -1237,6 +1263,7 @@ function qu($sql) {
unset($args[0]);
if ($db && $db->connected) {
$sql = $db->clean_query($sql);
$sql = $db->any_value_fallback($sql);
$stmt = @vsprintf($sql,$args); // Disabled warnings
if ($stmt === false)

97
include/dbclean.php
View file

@ -19,7 +19,7 @@ function dbclean_run(&$argv, &$argc) {
if ($stage == 0) {
for ($i = 1; $i <= 7; $i++) {
if (!Config::get('system', 'finished-dbclean-'.$i)) {
if (!Config::get('system', 'finished-dbclean-'.$i, false)) {
proc_run(PRIORITY_LOW, 'include/dbclean.php', $i);
}
}
@ -40,131 +40,178 @@ function remove_orphans($stage = 0) {
$limit = 1000;
if ($stage == 1) {
logger("Deleting old global item entries from item table without user copy");
$r = dba::p("SELECT `id` FROM `item` WHERE `uid` = 0
AND NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0)
AND `received` < UTC_TIMESTAMP() - INTERVAL 90 DAY LIMIT ".intval($limit));
$last_id = Config::get('system', 'dbclean-last-id-1', 0);
logger("Deleting old global item entries from item table without user copy. Last ID: ".$last_id);
$r = dba::p("SELECT `id` FROM `item` WHERE `uid` = 0 AND
NOT EXISTS (SELECT `guid` FROM `item` AS `i` WHERE `item`.`guid` = `i`.`guid` AND `i`.`uid` != 0) AND
`received` < UTC_TIMESTAMP() - INTERVAL 90 DAY AND `id` >= ?
ORDER BY `id` LIMIT ".intval($limit), $last_id);
$count = dba::num_rows($r);
if ($count > 0) {
logger("found global item orphans: ".$count);
while ($orphan = dba::fetch($r)) {
$last_id = $orphan["id"];
dba::delete('item', array('id' => $orphan["id"]));
}
} else {
logger("No global item orphans found");
}
dba::close($r);
logger("Done deleting ".$count." old global item entries from item table without user copy");
logger("Done deleting ".$count." old global item entries from item table without user copy. Last ID: ".$last_id);
Config::set('system', 'dbclean-last-id-1', $last_id);
// We will eventually set this value when we found a good way to delete these items in another way.
// if ($count < $limit) {
// Config::set('system', 'finished-dbclean-1', true);
// }
} elseif ($stage == 2) {
logger("Deleting items without parents");
$r = dba::p("SELECT `id` FROM `item` WHERE NOT EXISTS (SELECT `id` FROM `item` AS `i` WHERE `item`.`parent` = `i`.`id`) LIMIT ".intval($limit));
$last_id = Config::get('system', 'dbclean-last-id-2', 0);
logger("Deleting items without parents. Last ID: ".$last_id);
$r = dba::p("SELECT `id` FROM `item`
WHERE NOT EXISTS (SELECT `id` FROM `item` AS `i` WHERE `item`.`parent` = `i`.`id`)
AND `id` >= ? ORDER BY `id` LIMIT ".intval($limit), $last_id);
$count = dba::num_rows($r);
if ($count > 0) {
logger("found item orphans without parents: ".$count);
while ($orphan = dba::fetch($r)) {
$last_id = $orphan["id"];
dba::delete('item', array('id' => $orphan["id"]));
}
} else {
logger("No item orphans without parents found");
}
dba::close($r);
logger("Done deleting ".$count." items without parents");
logger("Done deleting ".$count." items without parents. Last ID: ".$last_id);
Config::set('system', 'dbclean-last-id-2', $last_id);
if ($count < $limit) {
Config::set('system', 'finished-dbclean-2', true);
}
} elseif ($stage == 3) {
logger("Deleting orphaned data from thread table");
$r = dba::p("SELECT `iid` FROM `thread` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`) LIMIT ".intval($limit));
$last_id = Config::get('system', 'dbclean-last-id-3', 0);
logger("Deleting orphaned data from thread table. Last ID: ".$last_id);
$r = dba::p("SELECT `iid` FROM `thread`
WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `thread`.`iid`) AND `iid` >= ?
ORDER BY `iid` LIMIT ".intval($limit), $last_id);
$count = dba::num_rows($r);
if ($count > 0) {
logger("found thread orphans: ".$count);
while ($orphan = dba::fetch($r)) {
$last_id = $orphan["iid"];
dba::delete('thread', array('iid' => $orphan["iid"]));
}
} else {
logger("No thread orphans found");
}
dba::close($r);
logger("Done deleting ".$count." orphaned data from thread table");
logger("Done deleting ".$count." orphaned data from thread table. Last ID: ".$last_id);
Config::set('system', 'dbclean-last-id-3', $last_id);
if ($count < $limit) {
Config::set('system', 'finished-dbclean-3', true);
}
} elseif ($stage == 4) {
logger("Deleting orphaned data from notify table");
$r = dba::p("SELECT `iid` FROM `notify` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`) LIMIT ".intval($limit));
$last_id = Config::get('system', 'dbclean-last-id-4', 0);
logger("Deleting orphaned data from notify table. Last ID: ".$last_id);
$r = dba::p("SELECT `iid`, `id` FROM `notify`
WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `notify`.`iid`) AND `id` >= ?
ORDER BY `id` LIMIT ".intval($limit), $last_id);
$count = dba::num_rows($r);
if ($count > 0) {
logger("found notify orphans: ".$count);
while ($orphan = dba::fetch($r)) {
$last_id = $orphan["id"];
dba::delete('notify', array('iid' => $orphan["iid"]));
}
} else {
logger("No notify orphans found");
}
dba::close($r);
logger("Done deleting ".$count." orphaned data from notify table");
logger("Done deleting ".$count." orphaned data from notify table. Last ID: ".$last_id);
Config::set('system', 'dbclean-last-id-4', $last_id);
if ($count < $limit) {
Config::set('system', 'finished-dbclean-4', true);
}
} elseif ($stage == 5) {
logger("Deleting orphaned data from notify-threads table");
$r = dba::p("SELECT `id` FROM `notify-threads` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `notify-threads`.`master-parent-item`) LIMIT ".intval($limit));
$last_id = Config::get('system', 'dbclean-last-id-5', 0);
logger("Deleting orphaned data from notify-threads table. Last ID: ".$last_id);
$r = dba::p("SELECT `id` FROM `notify-threads`
WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`parent` = `notify-threads`.`master-parent-item`) AND `id` >= ?
ORDER BY `id` LIMIT ".intval($limit), $last_id);
$count = dba::num_rows($r);
if ($count > 0) {
logger("found notify-threads orphans: ".$count);
while ($orphan = dba::fetch($r)) {
$last_id = $orphan["id"];
dba::delete('notify-threads', array('id' => $orphan["id"]));
}
} else {
logger("No notify-threads orphans found");
}
dba::close($r);
logger("Done deleting ".$count." orphaned data from notify-threads table");
logger("Done deleting ".$count." orphaned data from notify-threads table. Last ID: ".$last_id);
Config::set('system', 'dbclean-last-id-5', $last_id);
if ($count < $limit) {
Config::set('system', 'finished-dbclean-5', true);
}
} elseif ($stage == 6) {
logger("Deleting orphaned data from sign table");
$r = dba::p("SELECT `iid` FROM `sign` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`) LIMIT ".intval($limit));
$last_id = Config::get('system', 'dbclean-last-id-6', 0);
logger("Deleting orphaned data from sign table. Last ID: ".$last_id);
$r = dba::p("SELECT `iid`, `id` FROM `sign`
WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `sign`.`iid`) AND `id` >= ?
ORDER BY `id` LIMIT ".intval($limit), $last_id);
$count = dba::num_rows($r);
if ($count > 0) {
logger("found sign orphans: ".$count);
while ($orphan = dba::fetch($r)) {
$last_id = $orphan["id"];
dba::delete('sign', array('iid' => $orphan["iid"]));
}
} else {
logger("No sign orphans found");
}
dba::close($r);
logger("Done deleting ".$count." orphaned data from sign table");
logger("Done deleting ".$count." orphaned data from sign table. Last ID: ".$last_id);
Config::set('system', 'dbclean-last-id-6', $last_id);
if ($count < $limit) {
Config::set('system', 'finished-dbclean-6', true);
}
} elseif ($stage == 7) {
logger("Deleting orphaned data from term table");
$r = dba::p("SELECT `oid` FROM `term` WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`) LIMIT ".intval($limit));
$last_id = Config::get('system', 'dbclean-last-id-7', 0);
logger("Deleting orphaned data from term table. Last ID: ".$last_id);
$r = dba::p("SELECT `oid`, `tid` FROM `term`
WHERE NOT EXISTS (SELECT `id` FROM `item` WHERE `item`.`id` = `term`.`oid`) AND `tid` >= ?
ORDER BY `tid` LIMIT ".intval($limit), $last_id);
$count = dba::num_rows($r);
if ($count > 0) {
logger("found term orphans: ".$count);
while ($orphan = dba::fetch($r)) {
$last_id = $orphan["tid"];
dba::delete('term', array('oid' => $orphan["oid"]));
}
} else {
logger("No term orphans found");
}
dba::close($r);
logger("Done deleting ".$count." orphaned data from term table");
logger("Done deleting ".$count." orphaned data from term table. Last ID: ".$last_id);
Config::set('system', 'dbclean-last-id-7', $last_id);
if ($count < $limit) {
Config::set('system', 'finished-dbclean-7', true);