eldenmoon commented on code in PR #49807:
URL: https://github.com/apache/doris/pull/49807#discussion_r2038720420
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fe/fe-core/src/main/java/org/apache/doris/nereids/types/StructField.java:
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@@ -37,9 +36,12 @@ public class StructField {
* @param name The name of this field
* @param dataType The data type of this field
* @param nullable Indicates if values of this field can be `null` values
+ * Note: The struct field name should remain the same as it was
defined when it was created,
+ * which stored in FE Meta, When we query by field name, it should be
case-insensitive.
+ * So field name "A" and "a" cannot exist in a struct at the same time
Review Comment:
need to add document to describe this behavior in doris for case insensitive
compare struct element
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