bereng commented on code in PR #2464:
URL: https://github.com/apache/cassandra/pull/2464#discussion_r1271733651
##########
src/java/org/apache/cassandra/db/DeletionTime.java:
##########
@@ -195,42 +195,95 @@ public static Serializer getSerializer(Version version)
return legacySerializer;
}
- // Serializer for Usigned Integer ldt
+ /* Serializer for Usigned Integer ldt
+ *
+ * ldt is encoded as a uint in seconds since unix epoch, it can go up o
2106-02-07T06:28:13+00:00 only.
+ * mfda is a positive timestamp. We use the sign bit to enconde LIVE
DeletionTimes
+ */
public static class Serializer implements ISerializer<DeletionTime>
{
+ // We use the sign bit to signal LIVE DeletionTimes
+ private final static int IS_LIVE_DELETION = 0b1000_0000;
Review Comment:
Atm this is a byte we're not using at all but for one bit. Any future change
to that would imply a new sstable format change where we'd free to redo things
from scratch. But if this is sounding better to you I am happy to change it :-)
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