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|
--TEST--
Causal consistency: second read's afterClusterTime uses last reply's operationTime
--SKIPIF--
<?php require __DIR__ . "/../utils/basic-skipif.inc"; ?>
<?php skip_if_not_libmongoc_crypto(); ?>
<?php skip_if_not_replica_set_or_mongos_with_replica_set(); ?>
<?php skip_if_server_version('<', '3.6'); ?>
<?php skip_if_not_clean(); ?>
--FILE--
<?php
require_once __DIR__ . "/../utils/basic.inc";
class Test implements MongoDB\Driver\Monitoring\CommandSubscriber
{
private $lastSeenOperationTime;
public function executeReadAfterRead()
{
$this->lastSeenOperationTime = null;
MongoDB\Driver\Monitoring\addSubscriber($this);
$manager = new MongoDB\Driver\Manager(URI);
$session = $manager->startSession();
$query = new MongoDB\Driver\Query([]);
$manager->executeQuery(NS, $query, ['session' => $session]);
$manager->executeQuery(NS, $query, ['session' => $session]);
MongoDB\Driver\Monitoring\removeSubscriber($this);
}
public function executeReadAfterWrite()
{
$this->lastSeenOperationTime = null;
MongoDB\Driver\Monitoring\addSubscriber($this);
$manager = new MongoDB\Driver\Manager(URI);
$session = $manager->startSession();
$bulk = new MongoDB\Driver\BulkWrite;
$bulk->insert(['x' => 1]);
$manager->executeBulkWrite(NS, $bulk, ['session' => $session]);
$query = new MongoDB\Driver\Query([]);
$manager->executeQuery(NS, $query, ['session' => $session]);
MongoDB\Driver\Monitoring\removeSubscriber($this);
}
public function commandStarted(MongoDB\Driver\Monitoring\CommandStartedEvent $event)
{
$command = $event->getCommand();
$hasAfterClusterTime = isset($command->readConcern->afterClusterTime);
printf("%s command includes afterClusterTime: %s\n", $event->getCommandName(), ($hasAfterClusterTime ? 'yes' : 'no'));
if ($hasAfterClusterTime && $this->lastSeenOperationTime !== null) {
printf("%s command uses last seen operationTime: %s\n", $event->getCommandName(), ($command->readConcern->afterClusterTime == $this->lastSeenOperationTime) ? 'yes' : 'no');
}
}
public function commandSucceeded(MongoDB\Driver\Monitoring\CommandSucceededEvent $event)
{
$reply = $event->getReply();
$hasOperationTime = isset($reply->operationTime);
printf("%s command reply includes operationTime: %s\n", $event->getCommandName(), $hasOperationTime ? 'yes' : 'no');
if ($hasOperationTime) {
$this->lastSeenOperationTime = $reply->operationTime;
}
}
public function commandFailed(MongoDB\Driver\Monitoring\CommandFailedEvent $event)
{
}
}
echo "Testing read after read\n";
(new Test)->executeReadAfterRead();
echo "\nTesting read after write\n";
(new Test)->executeReadAfterWrite();
?>
===DONE===
<?php exit(0); ?>
--EXPECT--
Testing read after read
find command includes afterClusterTime: no
find command reply includes operationTime: yes
find command includes afterClusterTime: yes
find command uses last seen operationTime: yes
find command reply includes operationTime: yes
Testing read after write
insert command includes afterClusterTime: no
insert command reply includes operationTime: yes
find command includes afterClusterTime: yes
find command uses last seen operationTime: yes
find command reply includes operationTime: yes
===DONE===
|
