liyafan82 commented on a change in pull request #9151:
URL: https://github.com/apache/arrow/pull/9151#discussion_r565794265
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File path: java/vector/src/main/codegen/templates/UnionVector.java
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@@ -647,6 +673,8 @@ public ValueVector getVectorByType(int typeId, ArrowType
arrowType) {
return getStruct();
case LIST:
return getList();
+ case MAP:
+ return getMap();
Review comment:
here we should call `getMap(arrowType)`?
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