Before test failed if clickhouse-server timed out while obtaining stack
trace for the first thread from the list, fix this by getting first
row with non empty trace.
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
Because of failed rebase/push this part of the patch was lost, so
resending separatelly (sigh).
Follow-up for: #39177 (cc @yakov-olkhovskiy)
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
- filter by thread_id
- filter by thread_name
- filter by requested columns (query_id/trace, thread_name)
Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
