Gabriel39 commented on code in PR #45375:
URL: https://github.com/apache/doris/pull/45375#discussion_r1946312906
##########
be/src/pipeline/exec/exchange_sink_operator.cpp:
##########
@@ -121,37 +142,41 @@ Status ExchangeSinkLocalState::init(RuntimeState* state,
LocalSinkStateInfo& inf
_sink_buffer->set_dependency(state->fragment_instance_id().lo,
_queue_dependency, this);
}
- if (_part_type == TPartitionType::HASH_PARTITIONED) {
- _partition_count = channels.size();
- _partitioner =
-
std::make_unique<vectorized::Crc32HashPartitioner<vectorized::ShuffleChannelIds>>(
- channels.size());
- RETURN_IF_ERROR(_partitioner->init(p._texprs));
- RETURN_IF_ERROR(_partitioner->prepare(state, p._row_desc));
- _profile->add_info_string("Partitioner",
- fmt::format("Crc32HashPartitioner({})",
_partition_count));
- } else if (_part_type == TPartitionType::BUCKET_SHFFULE_HASH_PARTITIONED) {
+ int num_dests = cast_set<int>(p._dests.size());
+ const int free_block_limit = 0;
+ if (num_dests == 1 || _part_type == TPartitionType::UNPARTITIONED) {
+ _exchanger =
BroadcastExchanger<SerializedBlockQueue<BroadcastBlock>>::create_shared(
+ 1, num_dests, free_block_limit);
+ _channel_selector =
std::make_unique<AllChannelsSelector>(channels.size());
+ }
+ switch (_part_type) {
+ case TPartitionType::HASH_PARTITIONED:
+ case TPartitionType::BUCKET_SHFFULE_HASH_PARTITIONED:
_partition_count = channels.size();
_partitioner =
-
std::make_unique<vectorized::Crc32HashPartitioner<vectorized::ShuffleChannelIds>>(
- channels.size());
- RETURN_IF_ERROR(_partitioner->init(p._texprs));
- RETURN_IF_ERROR(_partitioner->prepare(state, p._row_desc));
- _profile->add_info_string("Partitioner",
- fmt::format("Crc32HashPartitioner({})",
_partition_count));
- } else if (_part_type == TPartitionType::TABLET_SINK_SHUFFLE_PARTITIONED) {
+
vectorized::Crc32HashPartitioner<vectorized::ShuffleChannelIds>::create_unique(
+ _partition_count);
+ if (_partition_count != 1) {
+ _exchanger =
ShuffleExchanger<SerializedBlockQueue<PartitionedBlock>>::create_shared(
+ 1, _partition_count, _partition_count, free_block_limit);
+ _channel_selector =
std::make_unique<SelectedChannelsSelector>(_partition_count);
+ }
+ break;
+ case TPartitionType::TABLET_SINK_SHUFFLE_PARTITIONED:
Review Comment:
tablet sink是内表导入，table sink是外表导入
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