[iotdb] branch master updated: [IOTDB-4197] Fix is null expression display (#7075)

[jackietien]

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jackietien pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/iotdb.git


The following commit(s) were added to refs/heads/master by this push:
     new c045e6ee86 [IOTDB-4197] Fix is null expression display (#7075)
c045e6ee86 is described below

commit c045e6ee8608958c2957bff1ae0132f73d71253d
Author: flashzxi <39670222+flash...@users.noreply.github.com>
AuthorDate: Thu Aug 25 14:54:00 2022 +0800

    [IOTDB-4197] Fix is null expression display (#7075)
---
 .../org/apache/iotdb/db/mpp/plan/expression/unary/IsNullExpression.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/server/src/main/java/org/apache/iotdb/db/mpp/plan/expression/unary/IsNullExpression.java
 
b/server/src/main/java/org/apache/iotdb/db/mpp/plan/expression/unary/IsNullExpression.java
index 3b910b0cde..2a862e2f75 100644
--- 
a/server/src/main/java/org/apache/iotdb/db/mpp/plan/expression/unary/IsNullExpression.java
+++ 
b/server/src/main/java/org/apache/iotdb/db/mpp/plan/expression/unary/IsNullExpression.java
@@ -58,7 +58,7 @@ public class IsNullExpression extends UnaryExpression {
 
   @Override
   protected String getExpressionStringInternal() {
-    return expression + " IS " + (isNot ? "" : "NOT ") + "NULL";
+    return expression + " IS " + (isNot ? "NOT " : "") + "NULL";
   }
 
   @Override