Github user bowenli86 commented on a diff in the pull request:
https://github.com/apache/flink/pull/5979#discussion_r187255609
--- Diff:
flink-state-backends/flink-statebackend-rocksdb/src/main/java/org/apache/flink/contrib/streaming/state/RocksDBMapState.java
---
@@ -356,6 +369,20 @@ private UV deserializeUserValue(byte[] rawValueBytes,
TypeSerializer<UV> valueSe
return isNull ? null : valueSerializer.deserialize(in);
}
+ private boolean startWithKeyPrefix(byte[] keyPrefixBytes, byte[]
rawKeyBytes) {
+ if (rawKeyBytes.length < keyPrefixBytes.length) {
+ return false;
+ }
+
+ for (int i = keyPrefixBytes.length; --i >=
backend.getKeyGroupPrefixBytes(); ) {
--- End diff --
I recommend moving `--i` to the increment part of the `for` loop, instead
of keeping it in the termination part
---
