JingDas commented on code in PR #24990:
URL: https://github.com/apache/doris/pull/24990#discussion_r1349535844
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fe/fe-core/src/main/java/org/apache/doris/nereids/trees/expressions/Expression.java:
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@@ -49,9 +50,10 @@
* Abstract class for all Expression in Nereids.
*/
public abstract class Expression extends AbstractTreeNode<Expression>
implements ExpressionTrait {
+ public static final String DEFAULT_EXPRESSION_NAME = "__expression";
Review Comment:
`Expression` is for the new optimizer, `Expr` is for the old representation.
Maybe we need to distinguish them by different names.
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