rdblue commented on a change in pull request #588: Add sequential number
prepare for supporting row level delete (WIP)
URL: https://github.com/apache/incubator-iceberg/pull/588#discussion_r344834993
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File path: api/src/main/java/org/apache/iceberg/DataFile.java
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@@ -152,4 +153,16 @@ static StructType getType(StructType partitionType) {
* are determined by these offsets. The returned list must be sorted in
ascending order.
*/
List<Long> splitOffsets();
+
+ /**
+ * @return sequential number of this data file if exists, null otherwise.
+ */
+ Long seqNum();
+
+ /**
+ * Assign a sequential number to data file.
+ *
+ * @param seqNum the sequential number to assign
+ */
+ void setSeqNum(long seqNum);
Review comment:
This interface should not include a setter method. `DataFile` is effectively
immutable.
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