englefly commented on code in PR #45196:
URL: https://github.com/apache/doris/pull/45196#discussion_r1886107822
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gensrc/thrift/DataSinks.thrift:
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@@ -189,6 +189,7 @@ struct TDataStreamSink {
11: optional i64 tablet_sink_txn_id
12: optional Types.TTupleId tablet_sink_tuple_id
13: optional list<Exprs.TExpr> tablet_sink_exprs
+ 14: optional bool is_merge
Review Comment:
The intuition behind this is sink node must receive reply message from
exchange before starting a new data block transfer. "order" is one of the most
common senario, but not all.
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