[GitHub] [incubator-doris] wangbo commented on a change in pull request #6329: [New Featrue] Support Vectorization Execution Engine Interface For Doris

[GitBox <gi...@apache.org>]

wangbo commented on a change in pull request #6329:
URL: https://github.com/apache/incubator-doris/pull/6329#discussion_r677255107



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File path: be/src/exec/exec_node.h
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@@ -46,6 +45,11 @@ class TupleRow;
 class DataSink;
 class MemTracker;
 
+namespace vectorized {
+class Block;

Review comment:
       Where does class ```Block``` come from?




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