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


The following commit(s) were added to refs/heads/master by this push:
     new f70dfe27d0d [fix](Nereids) init comment as null when create struct 
field from catalog type (#26105)
f70dfe27d0d is described below

commit f70dfe27d0d63b8ced2a8b539f217b2bfa808a84
Author: morrySnow <[email protected]>
AuthorDate: Mon Oct 30 19:26:09 2023 +0800

    [fix](Nereids) init comment as null when create struct field from catalog 
type (#26105)
---
 fe/fe-core/src/main/java/org/apache/doris/nereids/types/DataType.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git 
a/fe/fe-core/src/main/java/org/apache/doris/nereids/types/DataType.java 
b/fe/fe-core/src/main/java/org/apache/doris/nereids/types/DataType.java
index c939786237a..8f887326216 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/types/DataType.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/types/DataType.java
@@ -350,7 +350,7 @@ public abstract class DataType {
         } else if (type.isStructType()) {
             List<StructField> structFields = 
((org.apache.doris.catalog.StructType) (type)).getFields().stream()
                     .map(cf -> new StructField(cf.getName(), 
fromCatalogType(cf.getType()),
-                            cf.getContainsNull(), cf.getComment()))
+                            cf.getContainsNull(), cf.getComment() == null ? "" 
: cf.getComment()))
                     .collect(ImmutableList.toImmutableList());
             return new StructType(structFields);
         } else if (type.isMapType()) {


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