luozenglin commented on code in PR #10533:
URL: https://github.com/apache/doris/pull/10533#discussion_r912311732
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be/src/runtime/plan_fragment_executor.cpp:
##########
@@ -262,30 +270,36 @@ Status PlanFragmentExecutor::open_vectorized_internal() {
RETURN_IF_ERROR(_sink->open(runtime_state()));
}
- while (true) {
- doris::vectorized::Block* block;
+ {
+ telemetry::SpanGuard sink_send_span_guard {};
+ while (true) {
+ doris::vectorized::Block* block;
- {
- SCOPED_CPU_TIMER(_fragment_cpu_timer);
- RETURN_IF_ERROR(get_vectorized_internal(&block));
- }
+ {
+ SCOPED_CPU_TIMER(_fragment_cpu_timer);
+ RETURN_IF_ERROR(get_vectorized_internal(&block));
+ }
- if (block == NULL) {
- break;
- }
+ if (block == NULL) {
+ break;
+ }
- SCOPED_TIMER(profile()->total_time_counter());
- SCOPED_CPU_TIMER(_fragment_cpu_timer);
- // Collect this plan and sub plan statistics, and send to parent plan.
- if (_collect_query_statistics_with_every_batch) {
- _collect_query_statistics();
- }
+ SCOPED_TIMER(profile()->total_time_counter());
+ SCOPED_CPU_TIMER(_fragment_cpu_timer);
+ // Collect this plan and sub plan statistics, and send to parent
plan.
+ if (_collect_query_statistics_with_every_batch) {
+ _collect_query_statistics();
+ }
- auto st = _sink->send(runtime_state(), block);
- if (st.is_end_of_file()) {
- break;
+ auto st = _sink->send(runtime_state(), block);
+ if (UNLIKELY(!sink_send_span_guard.has_span())) {
+ sink_send_span_guard.set_span(_sink->get_send_span());
Review Comment:
Because the _send_span in _sink is assigned at the first call to
_sink->send. Maybe I can change the code to make sink_send_span_guard set span
outside of the while loop to reduce this branch judgment.
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