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<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik\DataAccess;
use Exception;
use Piwik\Archive\ArchiveInvalidator;
use Piwik\ArchiveProcessor\ArchivingStatus;
use Piwik\ArchiveProcessor\Parameters;
use Piwik\ArchiveProcessor\Rules;
use Piwik\Common;
use Piwik\Container\StaticContainer;
use Piwik\Date;
use Piwik\Db;
use Piwik\DbHelper;
use Piwik\Period;
use Piwik\Segment;
use Piwik\Sequence;
use Psr\Log\LoggerInterface;
/**
* Cleans up outdated archives
*/
class Model
{
/**
* @var LoggerInterface
*/
private $logger;
/**
* @var ArchivingStatus
*/
private $archivingStatus;
public function __construct(LoggerInterface $logger = null)
{
$this->logger = $logger ?: StaticContainer::get('Psr\Log\LoggerInterface');
$this->archivingStatus = StaticContainer::get(ArchivingStatus::class);
}
/**
* Returns the archives IDs that have already been invalidated and have been since re-processed.
*
* These archives { archive name (includes segment hash) , idsite, date, period } will be deleted.
*
* @param string $archiveTable
* @param array $idSites
* @return array
* @throws Exception
*/
public function getInvalidatedArchiveIdsSafeToDelete($archiveTable)
{
try {
Db::get()->query('SET SESSION group_concat_max_len=' . (128 * 1024));
} catch (\Exception $ex) {
$this->logger->info("Could not set group_concat_max_len MySQL session variable.");
}
$sql = "SELECT idsite, date1, date2, period, name,
GROUP_CONCAT(idarchive, '.', value ORDER BY ts_archived DESC) as archives
FROM `$archiveTable`
WHERE name LIKE 'done%'
AND ts_archived IS NOT NULL
AND `value` NOT IN (" . ArchiveWriter::DONE_ERROR . ")
GROUP BY idsite, date1, date2, period, name HAVING count(*) > 1";
$archiveIds = array();
$rows = Db::fetchAll($sql);
foreach ($rows as $row) {
$duplicateArchives = explode(',', $row['archives']);
$countOfArchives = count($duplicateArchives);
// if there is more than one archive, the older invalidated ones can be deleted
if ($countOfArchives > 1) {
array_shift($duplicateArchives); // we don't want to delete the latest archive if it is usable
foreach ($duplicateArchives as $pair) {
if (strpos($pair, '.') === false) {
$this->logger->info("GROUP_CONCAT cut off the query result, you may have to purge archives again.");
break;
}
list($idarchive, $value) = explode('.', $pair);
$archiveIds[] = $idarchive; // does not matter what the value is, the latest is usable so older archives can be purged
}
}
}
return $archiveIds;
}
public function getPlaceholderArchiveIds($archiveTable)
{
$sql = "SELECT DISTINCT idarchive FROM `$archiveTable` WHERE ts_archived IS NULL";
$result = Db::fetchAll($sql);
$result = array_column($result, 'idarchive');
return $result;
}
public function updateArchiveAsInvalidated($archiveTable, $idSites, $allPeriodsToInvalidate, Segment $segment = null, $forceInvalidateNonexistantRanges = false)
{
// select all idarchive/name pairs we want to invalidate
$sql = "SELECT idarchive, idsite, period, date1, date2, `name`, `value`
FROM `$archiveTable`
WHERE idsite IN (" . implode(',', $idSites) . ")";
if (!empty($allPeriodsToInvalidate)) {
$sql .= " AND (";
$isFirst = true;
/** @var Period $period */
foreach ($allPeriodsToInvalidate as $period) {
if ($isFirst) {
$isFirst = false;
} else {
$sql .= " OR ";
}
if ($period->getLabel() == 'range') { // for ranges, we delete all ranges that contain the given date(s)
$sql .= "(period = " . (int)$period->getId()
. " AND date2 >= '" . $period->getDateStart()->getDatetime()
. "' AND date1 <= '" . $period->getDateEnd()->getDatetime() . "')";
} else {
$sql .= "(period = " . (int)$period->getId()
. " AND date1 = '" . $period->getDateStart()->getDatetime() . "'"
. " AND date2 = '" . $period->getDateEnd()->getDatetime() . "')";
}
}
$sql .= ")";
}
if ($segment) {
$nameCondition = "name LIKE '" . Rules::getDoneFlagArchiveContainsAllPlugins($segment) . "%'";
} else {
$nameCondition = "name LIKE 'done%'";
}
$sql .= " AND $nameCondition";
$archivesToInvalidate = Db::fetchAll($sql);
$idArchives = array_column($archivesToInvalidate, 'idarchive');
// update each archive as invalidated
if (!empty($idArchives)) {
$idArchives = array_map('intval', $idArchives);
$sql = "UPDATE `$archiveTable` SET `value` = " . ArchiveWriter::DONE_INVALIDATED . " WHERE idarchive IN ("
. implode(',', $idArchives) . ") AND $nameCondition";
Db::query($sql);
}
$doneFlag = Rules::getDoneFlagArchiveContainsAllPlugins($segment ?: new Segment('', []));
// we add every archive we need to invalidate + the archives that do not already exist to archive_invalidations.
// except for archives that are DONE_IN_PROGRESS.
$archivesToCreateInvalidationRowsFor = [];
foreach ($archivesToInvalidate as $row) {
if ($row['name'] != $doneFlag) { // only look at done flags that equal the one we are explicitly adding
continue;
}
$archivesToCreateInvalidationRowsFor[$row['idsite']][$row['period']][$row['date1']][$row['date2']] = $row['idarchive'];
}
$now = Date::now()->getDatetime();
$dummyArchives = [];
foreach ($idSites as $idSite) {
foreach ($allPeriodsToInvalidate as $period) {
if ($period->getLabel() == 'range'
&& !$forceInvalidateNonexistantRanges
) {
continue; // range
}
$date1 = $period->getDateStart()->toString();
$date2 = $period->getDateEnd()->toString();
$idArchive = $archivesToCreateInvalidationRowsFor[$idSite][$period->getId()][$date1][$date2] ?? null;
$dummyArchives[] = [
'idarchive' => $idArchive,
'name' => $doneFlag,
'idsite' => $idSite,
'date1' => $period->getDateStart()->getDatetime(),
'date2' => $period->getDateEnd()->getDatetime(),
'period' => $period->getId(),
'ts_invalidated' => $now,
];
}
}
$fields = ['idarchive', 'name', 'idsite', 'date1', 'date2', 'period', 'ts_invalidated'];
Db\BatchInsert::tableInsertBatch(Common::prefixTable('archive_invalidations'), $fields, $dummyArchives);
return count($idArchives);
}
/**
* @param string $archiveTable Prefixed table name
* @param int[] $idSites
* @param string[][] $datesByPeriodType
* @param Segment $segment
* @return \Zend_Db_Statement
* @throws Exception
*/
public function updateRangeArchiveAsInvalidated($archiveTable, $idSites, $allPeriodsToInvalidate, Segment $segment = null)
{
$bind = array();
$periodConditions = array();
if (!empty($allPeriodsToInvalidate)) {
foreach ($allPeriodsToInvalidate as $period) {
$dateConditions = array();
/** @var Period $period */
$dateConditions[] = "(date1 <= ? AND ? <= date2)";
$bind[] = $period->getDateStart();
$bind[] = $period->getDateEnd();
$dateConditionsSql = implode(" OR ", $dateConditions);
$periodConditions[] = "(period = 5 AND ($dateConditionsSql))";
}
}
if ($segment) {
$nameCondition = "name LIKE '" . Rules::getDoneFlagArchiveContainsAllPlugins($segment) . "%'";
} else {
$nameCondition = "name LIKE 'done%'";
}
$sql = "UPDATE $archiveTable SET value = " . ArchiveWriter::DONE_INVALIDATED
. " WHERE $nameCondition
AND idsite IN (" . implode(", ", $idSites) . ")
AND (" . implode(" OR ", $periodConditions) . ")";
return Db::query($sql, $bind);
}
public function getTemporaryArchivesOlderThan($archiveTable, $purgeArchivesOlderThan)
{
$query = "SELECT idarchive FROM " . $archiveTable . "
WHERE name LIKE 'done%'
AND (( value = " . ArchiveWriter::DONE_OK_TEMPORARY . "
AND ts_archived < ?)
OR value = " . ArchiveWriter::DONE_ERROR . ")";
return Db::fetchAll($query, array($purgeArchivesOlderThan));
}
public function deleteArchivesWithPeriod($numericTable, $blobTable, $period, $date)
{
$query = "DELETE FROM %s WHERE period = ? AND ts_archived < ?";
$bind = array($period, $date);
$queryObj = Db::query(sprintf($query, $numericTable), $bind);
$deletedRows = $queryObj->rowCount();
try {
$queryObj = Db::query(sprintf($query, $blobTable), $bind);
$deletedRows += $queryObj->rowCount();
} catch (Exception $e) {
// Individual blob tables could be missing
$this->logger->debug("Unable to delete archives by period from {blobTable}.", array(
'blobTable' => $blobTable,
'exception' => $e,
));
}
return $deletedRows;
}
public function getInvalidatedArchiveIdsAsOldOrOlderThan($archive)
{
$table = ArchiveTableCreator::getNumericTable(Date::factory($archive['date1']));
$sql = "SELECT idarchive FROM `$table` WHERE idsite = ? AND period = ? AND date1 = ? AND date2 = ? AND `name` = ? AND `value` IN ("
. ArchiveWriter::DONE_INVALIDATED . ") AND idarchive <= ?";
$bind = [
$archive['idsite'],
$archive['period'],
$archive['date1'],
$archive['date2'],
$archive['name'],
$archive['idarchive'],
];
$result = Db::fetchAll($sql, $bind);
$result = array_column($result, 'idarchive');
return $result;
}
public function deleteArchiveIds($numericTable, $blobTable, $idsToDelete)
{
$idsToDelete = array_values($idsToDelete);
$idsToDelete = array_map('intval', $idsToDelete);
$query = "DELETE FROM %s WHERE idarchive IN (" . implode(',', $idsToDelete) . ")";
$queryObj = Db::query(sprintf($query, $numericTable), array());
$deletedRows = $queryObj->rowCount();
try {
$queryObj = Db::query(sprintf($query, $blobTable), array());
$deletedRows += $queryObj->rowCount();
} catch (Exception $e) {
// Individual blob tables could be missing
$this->logger->debug("Unable to delete archive IDs from {blobTable}.", array(
'blobTable' => $blobTable,
'exception' => $e,
));
}
return $deletedRows;
}
public function getArchiveIdAndVisits($numericTable, $idSite, $period, $dateStartIso, $dateEndIso, $minDatetimeIsoArchiveProcessedUTC,
$doneFlags, $doneFlagValues = null)
{
$bindSQL = array($idSite,
$dateStartIso,
$dateEndIso,
$period,
);
$sqlWhereArchiveName = self::getNameCondition($doneFlags, $doneFlagValues);
$timeStampWhere = '';
if ($minDatetimeIsoArchiveProcessedUTC) {
$timeStampWhere = " AND arc1.ts_archived >= ? ";
$bindSQL[] = $minDatetimeIsoArchiveProcessedUTC;
}
// NOTE: we can't predict how many segments there will be so there could be lots of nb_visits/nb_visits_converted rows... have to select everything.
$sqlQuery = "SELECT arc1.idarchive, arc1.value, arc1.name, arc1.ts_archived, arc1.date1 as startDate, arc2.value as " . ArchiveSelector::NB_VISITS_RECORD_LOOKED_UP . ", arc3.value as " . ArchiveSelector::NB_VISITS_CONVERTED_RECORD_LOOKED_UP . "
FROM $numericTable arc1
LEFT JOIN $numericTable arc2 on arc2.idarchive = arc1.idarchive and (arc2.name = '" . ArchiveSelector::NB_VISITS_RECORD_LOOKED_UP . "')
LEFT JOIN $numericTable arc3 on arc3.idarchive = arc1.idarchive and (arc3.name = '" . ArchiveSelector::NB_VISITS_CONVERTED_RECORD_LOOKED_UP . "')
WHERE arc1.idsite = ?
AND arc1.date1 = ?
AND arc1.date2 = ?
AND arc1.period = ?
AND ($sqlWhereArchiveName)
$timeStampWhere
AND arc1.ts_archived IS NOT NULL
ORDER BY arc1.ts_archived DESC, arc1.idarchive DESC";
$results = Db::fetchAll($sqlQuery, $bindSQL);
return $results;
}
public function createArchiveTable($tableName, $tableNamePrefix)
{
$db = Db::get();
$sql = DbHelper::getTableCreateSql($tableNamePrefix);
// replace table name template by real name
$tableNamePrefix = Common::prefixTable($tableNamePrefix);
$sql = str_replace($tableNamePrefix, $tableName, $sql);
try {
$db->query($sql);
} catch (Exception $e) {
// accept mysql error 1050: table already exists, throw otherwise
if (!$db->isErrNo($e, '1050')) {
throw $e;
}
}
try {
if (ArchiveTableCreator::NUMERIC_TABLE === ArchiveTableCreator::getTypeFromTableName($tableName)) {
$sequence = new Sequence($tableName);
$sequence->create();
}
} catch (Exception $e) {
}
}
public function getInstalledArchiveTables()
{
$allArchiveNumeric = Db::get()->fetchCol("SHOW TABLES LIKE '" . Common::prefixTable('archive_numeric%') . "'");
$allArchiveBlob = Db::get()->fetchCol("SHOW TABLES LIKE '" . Common::prefixTable('archive_blob%') ."'");
return array_merge($allArchiveBlob, $allArchiveNumeric);
}
public function allocateNewArchiveId($numericTable)
{
$sequence = new Sequence($numericTable);
try {
$idarchive = $sequence->getNextId();
} catch (Exception $e) {
// edge case: sequence was not found, create it now
$sequence->create();
$idarchive = $sequence->getNextId();
}
return $idarchive;
}
public function updateArchiveStatus($numericTable, $archiveId, $doneFlag, $value)
{
Db::query("UPDATE $numericTable SET `value` = ? WHERE idarchive = ? and `name` = ?",
array($value, $archiveId, $doneFlag)
);
}
public function insertRecord($tableName, $fields, $record, $name, $value)
{
// duplicate idarchives are Ignored, see https://github.com/piwik/piwik/issues/987
$query = "INSERT IGNORE INTO " . $tableName . " (" . implode(", ", $fields) . ")
VALUES (?,?,?,?,?,?,?,?) ON DUPLICATE KEY UPDATE " . end($fields) . " = ?";
$bindSql = $record;
$bindSql[] = $name;
$bindSql[] = $value;
$bindSql[] = $value;
Db::query($query, $bindSql);
return true;
}
/**
* Returns the site IDs for invalidated archives in an archive table.
*
* @param string $numericTable The numeric table to search through.
* @return int[]
*/
public function getSitesWithInvalidatedArchive($numericTable)
{
$rows = Db::fetchAll("SELECT DISTINCT idsite FROM `$numericTable` WHERE `name` LIKE 'done%' AND `value` IN ("
. ArchiveWriter::DONE_INVALIDATED . ")");
$result = array();
foreach ($rows as $row) {
$result[] = $row['idsite'];
}
return $result;
}
/**
* Get a list of IDs of archives that don't have any matching rows in the site table. Excludes temporary archives
* that may still be in use, as specified by the $oldestToKeep passed in.
* @param string $archiveTableName
* @param string $oldestToKeep Datetime string
* @return array of IDs
*/
public function getArchiveIdsForDeletedSites($archiveTableName)
{
$sql = "SELECT DISTINCT idsite FROM " . $archiveTableName;
$rows = Db::getReader()->fetchAll($sql, array());
if (empty($rows)) {
return array(); // nothing to delete
}
$idSitesUsed = array_column($rows, 'idsite');
$model = new \Piwik\Plugins\SitesManager\Model();
$idSitesExisting = $model->getSitesId();
$deletedSites = array_diff($idSitesUsed, $idSitesExisting);
if (empty($deletedSites)) {
return array();
}
$deletedSites = array_values($deletedSites);
$deletedSites = array_map('intval', $deletedSites);
$sql = "SELECT DISTINCT idarchive FROM " . $archiveTableName . " WHERE idsite IN (".implode(',',$deletedSites).")";
$rows = Db::getReader()->fetchAll($sql, array());
return array_column($rows, 'idarchive');
}
/**
* Get a list of IDs of archives with segments that no longer exist in the DB. Excludes temporary archives that
* may still be in use, as specified by the $oldestToKeep passed in.
* @param string $archiveTableName
* @param array $segments List of segments to match against
* @param string $oldestToKeep Datetime string
* @return array With keys idarchive, name, idsite
*/
public function getArchiveIdsForSegments($archiveTableName, array $segments, $oldestToKeep)
{
$segmentClauses = [];
foreach ($segments as $segment) {
if (!empty($segment['definition'])) {
$segmentClauses[] = $this->getDeletedSegmentWhereClause($segment);
}
}
if (empty($segmentClauses)) {
return array();
}
$segmentClauses = implode(' OR ', $segmentClauses);
$sql = 'SELECT idarchive FROM ' . $archiveTableName
. ' WHERE ts_archived < ?'
. ' AND (' . $segmentClauses . ')';
$rows = Db::fetchAll($sql, array($oldestToKeep));
return array_column($rows, 'idarchive');
}
private function getDeletedSegmentWhereClause(array $segment)
{
$idSite = (int)$segment['enable_only_idsite'];
$segmentHash = Segment::getSegmentHash($segment['definition']);
// Valid segment hashes are md5 strings - just confirm that it is so it's safe for SQL injection
if (!ctype_xdigit($segmentHash)) {
throw new Exception($segment . ' expected to be an md5 hash');
}
$nameClause = 'name LIKE "done' . $segmentHash . '%"';
$idSiteClause = '';
if ($idSite > 0) {
$idSiteClause = ' AND idsite = ' . $idSite;
} elseif (! empty($segment['idsites_to_preserve'])) {
// A segment for all sites was deleted, but there are segments for a single site with the same definition
$idSitesToPreserve = array_map('intval', $segment['idsites_to_preserve']);
$idSiteClause = ' AND idsite NOT IN (' . implode(',', $idSitesToPreserve) . ')';
}
return "($nameClause $idSiteClause)";
}
/**
* Returns the SQL condition used to find successfully completed archives that
* this instance is querying for.
*/
private static function getNameCondition($doneFlags, $possibleValues)
{
$allDoneFlags = "'" . implode("','", $doneFlags) . "'";
// create the SQL to find archives that are DONE
$result = "((arc1.name IN ($allDoneFlags))";
if (!empty($possibleValues)) {
$result .= " AND (arc1.value IN (" . implode(',', $possibleValues) . ")))";
}
$result .= ')';
return $result;
}
/**
* Marks an archive as in progress if it has not been already. This method must be thread
* safe.
*/
public function startArchive($invalidation)
{
$table = Common::prefixTable('archive_invalidations');
// set archive value to in progress if not set already
$statement = Db::query("UPDATE `$table` SET `status` = ? WHERE idinvalidation = ? AND status = ?", [
ArchiveInvalidator::INVALIDATION_STATUS_IN_PROGRESS,
$invalidation['idinvalidation'],
ArchiveInvalidator::INVALIDATION_STATUS_QUEUED,
]);
if ($statement->rowCount() > 0) { // if we updated, then we've marked the archive as started
return true;
}
// if we didn't get anything, some process either got there first, OR
// the archive was started previously and failed in a way that kept it's done value
// set to DONE_IN_PROGRESS. try to acquire the lock and if acquired, archiving isn' in process
// so we can claim it.
$lock = $this->archivingStatus->acquireArchiveInProgressLock($invalidation['idsite'], $invalidation['date1'],
$invalidation['date2'], $invalidation['period'], $invalidation['name']);
if (!$lock->isLocked()) {
return false; // we couldn't claim the lock, archive is in progress
}
return true;
}
/**
* Gets the next invalidated archive that should be archived in a table.
*
* @param string[] $tables
* @param int $count
* @param bool $useLimit Whether to limit the result set to one result or not. Used in tests only.
*/
public function getNextInvalidatedArchive($idSite, $idInvalidationsToExclude = null, $useLimit = true)
{
$table = Common::prefixTable('archive_invalidations');
$sql = "SELECT idinvalidation, idarchive, idsite, date1, date2, period, `name`
FROM `$table`
WHERE idsite = ?";
$bind = [
$idSite,
];
if (!empty($idInvalidationsToExclude)) {
$idInvalidationsToExclude = array_map('intval', $idInvalidationsToExclude);
$sql .= " AND idinvalidation NOT IN (" . implode(',', $idInvalidationsToExclude) . ')';
}
$sql .= " ORDER BY date1 DESC, period ASC, CHAR_LENGTH(name) ASC, idinvalidation ASC";
if ($useLimit) {
$sql .= " LIMIT 1";
return Db::fetchRow($sql, $bind);
} else {
return Db::fetchAll($sql, $bind);
}
}
public function deleteInvalidations($archiveInvalidations)
{
$ids = array_column($archiveInvalidations, 'idinvalidation');
$ids = array_map('intval', $ids);
$table = Common::prefixTable('archive_invalidations');
$sql = "DELETE FROM `$table` WHERE idinvalidation IN (" . implode(', ', $ids) . ")";
Db::query($sql);
}
/**
* Returns true if there is an archive that exists that can be used when aggregating an archive for $period.
*
* @param $idSite
* @param Period $period
* @return bool
* @throws Exception
*/
public function hasChildArchivesInPeriod($idSite, Period $period)
{
$date = $period->getDateStart();
while ($date->isEarlier($period->getDateEnd()->addPeriod(1, 'month'))) {
$archiveTable = ArchiveTableCreator::getNumericTable($date);
$sql = "SELECT idarchive
FROM `$archiveTable`
WHERE idsite = ? AND date1 >= ? AND date2 <= ? AND period < ? AND `name` LIKE 'done%' AND `value` = " . ArchiveWriter::DONE_OK . "
LIMIT 1";
$bind = [$idSite, $period->getDateStart()->getDatetime(), $period->getDateEnd()->getDatetime(), $period->getId()];
$result = (bool) Db::fetchOne($sql, $bind);
if ($result) {
return true;
}
$date = $date->addPeriod(1, 'month'); // move to next archive table
}
return false;
}
}
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