maropu commented on a change in pull request #27747: [SPARK-30993][SQL] Use its
sql type for UDT when checking the type of length (fixed/var) or mutable
URL: https://github.com/apache/spark/pull/27747#discussion_r386080469
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java
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@@ -103,6 +107,10 @@ public static boolean isFixedLength(DataType dt) {
}
public static boolean isMutable(DataType dt) {
+ if (dt instanceof UserDefinedType) {
+ return isMutable(((UserDefinedType) dt).sqlType());
+ }
Review comment:
ditto; how about the format, `if ... else ...`?
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