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Fixed error when BackgroundSchedulePool is initialized in context of a query #2482

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This commit is contained in:
Alexey Milovidov 2018-08-22 07:04:02 +03:00
parent ca5b83ac39
commit deb3ce534c
1 changed files with 19 additions and 18 deletions
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37
dbms/src/Core/BackgroundSchedulePool.cpp
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@ -211,26 +211,28 @@ void BackgroundSchedulePool::cancelDelayedTask(const TaskInfoPtr & task, std::lo
}
void BackgroundSchedulePool::attachToThreadGroup()
{
std::lock_guard lock(delayed_tasks_mutex);
if (thread_group)
{
/// Put all threads to one thread pool
CurrentThread::attachTo(thread_group);
}
else
{
CurrentThread::initializeQuery();
thread_group = CurrentThread::getGroup();
}
}
void BackgroundSchedulePool::threadFunction()
{
setThreadName("BackgrSchedPool");
{
std::lock_guard lock(delayed_tasks_mutex);
if (thread_group)
{
/// Put all threads to one thread pool
CurrentThread::attachTo(thread_group);
}
else
{
CurrentThread::initializeQuery();
thread_group = CurrentThread::getGroup();
}
}
/// Put all threads to one thread pool
attachToThreadGroup();
SCOPE_EXIT({ CurrentThread::detachQueryIfNotDetached(); });
CurrentThread::getMemoryTracker().setMetric(CurrentMetrics::MemoryTrackingInBackgroundSchedulePool);
@ -249,8 +251,7 @@ void BackgroundSchedulePool::delayExecutionThreadFunction()
{
setThreadName("BckSchPoolDelay");
/// Put all threads to one thread pool
CurrentThread::attachTo(thread_group);
attachToThreadGroup();
SCOPE_EXIT({ CurrentThread::detachQueryIfNotDetached(); });
while (!shutdown)