kangkaisen commented on a change in pull request #3511:
URL: https://github.com/apache/incubator-doris/pull/3511#discussion_r421625898
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File path: fe/src/main/java/org/apache/doris/analysis/InPredicate.java
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@@ -54,6 +54,8 @@
private static final String IN = "in";
private static final String NOT_IN = "not_in";
+ private static final NullLiteral NULL_LITERAL = new NullLiteral();
Review comment:
Why use static variable? I think local variable is enough.
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