cloud-fan commented on code in PR #40400:
URL: https://github.com/apache/spark/pull/40400#discussion_r1148743201
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sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/UnsafeRow.java:
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@@ -70,51 +66,25 @@ public static int calculateBitSetWidthInBytes(int
numFields) {
return ((numFields + 63)/ 64) * 8;
}
- /**
- * Field types that can be updated in place in UnsafeRows (e.g. we support
set() for these types)
- */
- public static final Set<DataType> mutableFieldTypes;
-
- // DecimalType, DayTimeIntervalType and YearMonthIntervalType are also
mutable
- static {
- mutableFieldTypes = Collections.unmodifiableSet(
- new HashSet<>(
- Arrays.asList(
- NullType,
- BooleanType,
- ByteType,
- ShortType,
- IntegerType,
- LongType,
- FloatType,
- DoubleType,
- DateType,
- TimestampType,
- TimestampNTZType
- )));
- }
-
public static boolean isFixedLength(DataType dt) {
Review Comment:
since we are touching the code here, can we add doc for these 2 methods?
It's not easy to tell what the difference between fixed length and mutable.
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