[fix](Nereids) init comment as null when create struct field from catalog type (#26105)

2023-10-30 19:26:09 +08:00
parent 0a4863e859
commit f70dfe27d0
1 changed files with 1 additions and 1 deletions
--- 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()) {