HeartSaVioR 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_r386150444
##########
File path:
sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java
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@@ -95,6 +95,10 @@ public static int calculateBitSetWidthInBytes(int
numFields) {
}
public static boolean isFixedLength(DataType dt) {
+ if (dt instanceof UserDefinedType) {
+ return isFixedLength(((UserDefinedType) dt).sqlType());
+ }
+
Review comment:
I used this to emphasize UDT is handled specially (UDT type vs other types),
but it's semantically same and I have no strong voice. Will change.
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