mielientiev commented on code in PR #3845:
URL: https://github.com/apache/flink-cdc/pull/3845#discussion_r2258292595
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flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/src/main/java/io/debezium/connector/mysql/GtidUtils.java:
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@@ -36,36 +38,53 @@ public class GtidUtils {
public static GtidSet fixRestoredGtidSet(GtidSet serverGtidSet, GtidSet
restoredGtidSet) {
Map<String, GtidSet.UUIDSet> newSet = new HashMap<>();
serverGtidSet.getUUIDSets().forEach(uuidSet ->
newSet.put(uuidSet.getUUID(), uuidSet));
- for (GtidSet.UUIDSet uuidSet : restoredGtidSet.getUUIDSets()) {
- GtidSet.UUIDSet serverUuidSet = newSet.get(uuidSet.getUUID());
+ for (GtidSet.UUIDSet restoredUuidSet : restoredGtidSet.getUUIDSets()) {
Review Comment:
@lzshlzsh Thanks for the feedback
It's actually a very valid point. I think it may happen if you have a pool
of MySQL hosts, and some replication delay. And imagine that your pipeline got
restarted and reconnected to "lagging" host that haven't yet applied processed
transactions, that your pipeline "saw" in previous run
I implemented intersection logic with serverId range
Also I preserved original test logic like this `A:1-100`. Indeed, it looks
simpler.
Please review it again
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