steFaiz commented on code in PR #7812:
URL: https://github.com/apache/paimon/pull/7812#discussion_r3218657358
##########
paimon-common/src/main/java/org/apache/paimon/globalindex/btree/BTreeIndexMeta.java:
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@@ -70,13 +70,13 @@ public byte[] serialize() {
sliceOutput.writeInt(firstKey.length);
sliceOutput.writeBytes(firstKey);
} else {
- sliceOutput.writeInt(0);
+ sliceOutput.writeInt(-1);
}
if (lastKey != null) {
sliceOutput.writeInt(lastKey.length);
sliceOutput.writeBytes(lastKey);
} else {
- sliceOutput.writeInt(0);
Review Comment:
Dose this have incompatibility risks? For example if an old version file is
all-null, a new version meta will set the firstKey and lastKey as an empty
byte[].
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