SteveYurongSu commented on a change in pull request #4453:
URL: https://github.com/apache/iotdb/pull/4453#discussion_r762851064
##########
File path:
server/src/main/java/org/apache/iotdb/db/query/expression/binary/BinaryExpression.java
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@@ -48,6 +48,14 @@
protected final Expression leftExpression;
protected final Expression rightExpression;
+ public Expression getLeftExpression() {
+ return leftExpression;
+ }
+
+ public Expression getRightExpression() {
+ return rightExpression;
+ }
Review comment:
```suggestion
```
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