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dbclean is now using the new database functions / new functions for commit, rollback and transaction

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This commit is contained in:
Michael 2017-05-11 20:13:45 +00:00
parent bc724f2b68
commit 6ef24890bb
6 changed files with 108 additions and 44 deletions
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71
include/dba.php
View file

@ -22,6 +22,7 @@ class dba {
public $connected = false;
public $error = false;
private $_server_info = '';
private $in_transaction = false;
private static $dbo;
private static $relation = array();
@ -602,7 +603,8 @@ class dba {
}
if (self::$dbo->errorno != 0) {
logger('DB Error '.self::$dbo->errorno.': '.self::$dbo->error."\n".self::replace_parameters($sql, $args));
logger('DB Error '.self::$dbo->errorno.': '.self::$dbo->error."\n".
$a->callstack(8))."\n".self::replace_parameters($sql, $args);
}
$a->save_timestamp($stamp1, 'database');
@ -779,6 +781,48 @@ class dba {
return self::e($sql, $param);
}
/**
* @brief Starts a transaction
*
* @return boolean Was the command executed successfully?
*/
static public function transaction() {
if (!self::e('COMMIT')) {
return false;
}
if (!self::e('START TRANSACTION')) {
return false;
}
self::$in_transaction = true;
return true;
}
/**
* @brief Does a commit
*
* @return boolean Was the command executed successfully?
*/
static public function commit() {
if (!self::e('COMMIT')) {
return false;
}
self::$in_transaction = false;
return true;
}
/**
* @brief Does a rollback
*
* @return boolean Was the command executed successfully?
*/
static public function rollback() {
if (!self::e('ROLLBACK')) {
return false;
}
self::$in_transaction = false;
return true;
}
/**
* @brief Build the array with the table relations
*
@ -805,12 +849,12 @@ class dba {
*
* @param string $table Table name
* @param array $param parameter array
* @param boolean $in_commit Internal use: Only do a commit after the last delete
* @param boolean $in_process Internal use: Only do a commit after the last delete
* @param array $callstack Internal use: prevent endless loops
*
* @return boolean|array was the delete successfull? When $in_commit is set: deletion data
* @return boolean|array was the delete successfull? When $in_process is set: deletion data
*/
static public function delete($table, $param, $in_commit = false, &$callstack = array()) {
static public function delete($table, $param, $in_process = false, &$callstack = array()) {
$commands = array();
@ -872,10 +916,11 @@ class dba {
}
}
if (!$in_commit) {
if (!$in_process) {
// Now we finalize the process
self::p("COMMIT");
self::p("START TRANSACTION");
if (!self::$in_transaction) {
self::transaction();
}
$compacted = array();
$counter = array();
@ -887,7 +932,9 @@ class dba {
logger(dba::replace_parameters($sql, $command['param']), LOGGER_DATA);
if (!self::e($sql, $command['param'])) {
self::p("ROLLBACK");
if (!self::$in_transaction) {
self::rollback();
}
return false;
}
} else {
@ -915,13 +962,17 @@ class dba {
logger(dba::replace_parameters($sql, $field_values), LOGGER_DATA);
if (!self::e($sql, $field_values)) {
self::p("ROLLBACK");
if (!self::$in_transaction) {
self::rollback();
}
return false;
}
}
}
}
self::p("COMMIT");
if (!self::$in_transaction) {
self::commit();
}
return true;
}

43
include/dbclean.php
View file

@ -50,11 +50,13 @@ function remove_orphans($stage = 0) {
if ($count > 0) {
logger("found global item orphans: ".$count);
while ($orphan = dba::fetch($r)) {
q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"]));
dba::delete('item', array('id' => $orphan["id"]));
}
} else {
logger("No global item orphans found");
}
dba::close($r);
logger("Done deleting old global item entries from item table without user copy");
logger("Done deleting ".$count." old global item entries from item table without user copy");
}
if (($stage == 2) OR ($stage == 0)) {
@ -64,11 +66,13 @@ function remove_orphans($stage = 0) {
if ($count > 0) {
logger("found item orphans without parents: ".$count);
while ($orphan = dba::fetch($r)) {
q("DELETE FROM `item` WHERE `id` = %d", intval($orphan["id"]));
dba::delete('item', array('id' => $orphan["id"]));
}
} else {
logger("No item orphans without parents found");
}
dba::close($r);
logger("Done deleting items without parents");
logger("Done deleting ".$count." items without parents");
}
if (($stage == 3) OR ($stage == 0)) {
@ -78,11 +82,14 @@ function remove_orphans($stage = 0) {
if ($count > 0) {
logger("found thread orphans: ".$count);
while ($orphan = dba::fetch($r)) {
q("DELETE FROM `thread` WHERE `iid` = %d", intval($orphan["iid"]));
dba::delete('thread', array('iid' => $orphan["iid"]));
}
} else {
logger("No thread orphans found");
}
dba::close($r);
logger("Done deleting orphaned data from thread table");
logger("Done deleting ".$count." orphaned data from thread table");
}
if (($stage == 4) OR ($stage == 0)) {
@ -92,11 +99,13 @@ function remove_orphans($stage = 0) {
if ($count > 0) {
logger("found notify orphans: ".$count);
while ($orphan = dba::fetch($r)) {
q("DELETE FROM `notify` WHERE `iid` = %d", intval($orphan["iid"]));
dba::delete('notify', array('iid' => $orphan["iid"]));
}
} else {
logger("No notify orphans found");
}
dba::close($r);
logger("Done deleting orphaned data from notify table");
logger("Done deleting ".$count." orphaned data from notify table");
}
if (($stage == 5) OR ($stage == 0)) {
@ -106,11 +115,13 @@ function remove_orphans($stage = 0) {
if ($count > 0) {
logger("found notify-threads orphans: ".$count);
while ($orphan = dba::fetch($r)) {
q("DELETE FROM `notify-threads` WHERE `id` = %d", intval($orphan["id"]));
dba::delete('notify-threads', array('id' => $orphan["id"]));
}
} else {
logger("No notify-threads orphans found");
}
dba::close($r);
logger("Done deleting orphaned data from notify-threads table");
logger("Done deleting ".$count." orphaned data from notify-threads table");
}
@ -121,11 +132,13 @@ function remove_orphans($stage = 0) {
if ($count > 0) {
logger("found sign orphans: ".$count);
while ($orphan = dba::fetch($r)) {
q("DELETE FROM `sign` WHERE `iid` = %d", intval($orphan["iid"]));
dba::delete('sign', array('iid' => $orphan["iid"]));
}
} else {
logger("No sign orphans found");
}
dba::close($r);
logger("Done deleting orphaned data from sign table");
logger("Done deleting ".$count." orphaned data from sign table");
}
@ -136,11 +149,13 @@ function remove_orphans($stage = 0) {
if ($count > 0) {
logger("found term orphans: ".$count);
while ($orphan = dba::fetch($r)) {
q("DELETE FROM `term` WHERE `oid` = %d", intval($orphan["oid"]));
dba::delete('term', array('oid' => $orphan["oid"]));
}
} else {
logger("No term orphans found");
}
dba::close($r);
logger("Done deleting orphaned data from term table");
logger("Done deleting ".$count." orphaned data from term table");
}
// Call it again if not all entries were purged

15
include/items.php
View file

@ -951,8 +951,7 @@ function item_store($arr, $force_parent = false, $notify = false, $dontcache = f
logger('item_store: ' . print_r($arr,true), LOGGER_DATA);
q("COMMIT");
q("START TRANSACTION;");
dba::transaction();
$r = dbq("INSERT INTO `item` (`"
. implode("`, `", array_keys($arr))
@ -974,7 +973,7 @@ function item_store($arr, $force_parent = false, $notify = false, $dontcache = f
}
} else {
// This can happen - for example - if there are locking timeouts.
q("ROLLBACK");
dba::rollback();
// Store the data into a spool file so that we can try again later.
@ -999,7 +998,7 @@ function item_store($arr, $force_parent = false, $notify = false, $dontcache = f
if ($current_post == 0) {
// This is one of these error messages that never should occur.
logger("couldn't find created item - we better quit now.");
q("ROLLBACK");
dba::rollback();
return 0;
}
@ -1014,7 +1013,7 @@ function item_store($arr, $force_parent = false, $notify = false, $dontcache = f
if (!dbm::is_result($r)) {
// This shouldn't happen, since COUNT always works when the database connection is there.
logger("We couldn't count the stored entries. Very strange ...");
q("ROLLBACK");
dba::rollback();
return 0;
}
@ -1024,12 +1023,12 @@ function item_store($arr, $force_parent = false, $notify = false, $dontcache = f
// Yes, we could do a rollback here - but we are having many users with MyISAM.
q("DELETE FROM `item` WHERE `id` = %d", intval($current_post));
q("COMMIT");
dba::commit();
return 0;
} elseif ($r[0]["entries"] == 0) {
// This really should never happen since we quit earlier if there were problems.
logger("Something is terribly wrong. We haven't found our created entry.");
q("ROLLBACK");
dba::rollback();
return 0;
}
@ -1109,7 +1108,7 @@ function item_store($arr, $force_parent = false, $notify = false, $dontcache = f
update_thread($parent_id);
}
q("COMMIT");
dba::commit();
/*
* Due to deadlock issues with the "term" table we are doing these steps after the commit.

12
include/poller.php
View file

@ -128,7 +128,7 @@ function poller_execute($queue) {
if (!$upd) {
logger("Couldn't update queue entry ".$queue["id"]." - skip this execution", LOGGER_DEBUG);
q("COMMIT");
dba::commit();
return true;
}
@ -136,18 +136,18 @@ function poller_execute($queue) {
$id = q("SELECT `pid`, `executed` FROM `workerqueue` WHERE `id` = %d", intval($queue["id"]));
if (!$id) {
logger("Queue item ".$queue["id"]." vanished - skip this execution", LOGGER_DEBUG);
q("COMMIT");
dba::commit();
return true;
} elseif ((strtotime($id[0]["executed"]) <= 0) OR ($id[0]["pid"] == 0)) {
logger("Entry for queue item ".$queue["id"]." wasn't stored - skip this execution", LOGGER_DEBUG);
q("COMMIT");
dba::commit();
return true;
} elseif ($id[0]["pid"] != $mypid) {
logger("Queue item ".$queue["id"]." is to be executed by process ".$id[0]["pid"]." and not by me (".$mypid.") - skip this execution", LOGGER_DEBUG);
q("COMMIT");
dba::commit();
return true;
}
q("COMMIT");
dba::commit();
$argv = json_decode($queue["parameter"]);
@ -558,7 +558,7 @@ function poller_passing_slow(&$highest_priority) {
*/
function poller_worker_process() {
q("START TRANSACTION;");
dba::transaction();
// Check if we should pass some low priority process
$highest_priority = 0;

7
mod/item.php
View file

@ -809,8 +809,7 @@ function item_post(App $a) {
$post_id = 0;
}
q("COMMIT");
q("START TRANSACTION;");
dba::transaction();
$r = q("INSERT INTO `item` (`guid`, `extid`, `uid`,`type`,`wall`,`gravity`, `network`, `contact-id`,
`owner-name`,`owner-link`,`owner-avatar`, `owner-id`,
@ -900,7 +899,7 @@ function item_post(App $a) {
}
if ($post_id == 0) {
q("COMMIT");
dba::commit();
logger('mod_item: unable to retrieve post that was just stored.');
notice(t('System error. Post not saved.') . EOL);
goaway($return_path);
@ -1026,7 +1025,7 @@ function item_post(App $a) {
update_thread($parent, true);
}
q("COMMIT");
dba::commit();
create_tags_from_item($post_id);
create_files_from_item($post_id);

4
src/App.php
View file

@ -722,8 +722,8 @@ class App {
*
* @return string
*/
function callstack() {
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 6);
function callstack($depth = 4) {
$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, $depth + 2);
// We remove the first two items from the list since they contain data that we don't need.
array_shift($trace);