maedhroz commented on code in PR #2049:
URL: https://github.com/apache/cassandra/pull/2049#discussion_r1061894138
##########
src/java/org/apache/cassandra/service/accord/txn/TxnQuery.java:
##########
@@ -49,17 +54,47 @@ public Result compute(TxnId txnId, Data data, @Nullable
Read read, @Nullable Upd
public static final TxnQuery NONE = new TxnQuery()
{
+ @Override
+ protected byte type()
+ {
+ return 2;
+ }
+
@Override
public Result compute(TxnId txnId, Data data, @Nullable Read read,
@Nullable Update update)
{
return new TxnData();
}
};
+ public static final TxnQuery CONDITION = new TxnQuery()
+ {
+ @Override
+ protected byte type()
+ {
+ return 3;
+ }
+
+ @Override
+ public Result compute(TxnId txnId, Data data, @Nullable Read read,
@Nullable Update update)
Review Comment:
`update` isn't nullable for CAS, so what happens on 82 is fine?
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