pan3793 commented on code in PR #14108:
URL: https://github.com/apache/iceberg/pull/14108#discussion_r2366594983
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spark/v4.0/spark/src/main/java/org/apache/iceberg/spark/actions/SparkZOrderUDF.java:
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@@ -310,7 +310,8 @@ Column sortedLexicographically(Column column, DataType
type) {
} else if (type instanceof TimestampType) {
return longToOrderedBytesUDF().apply(column.cast(DataTypes.LongType));
} else if (type instanceof DateType) {
- return longToOrderedBytesUDF().apply(column.cast(DataTypes.LongType));
+ return longToOrderedBytesUDF()
+
.apply(org.apache.spark.sql.functions.unix_date(column).cast(DataTypes.LongType));
Review Comment:
why not `import org.apache.spark.sql.functions.unix_date;` ahead?
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