JingsongLi commented on code in PR #2781:
URL: https://github.com/apache/incubator-paimon/pull/2781#discussion_r1464415603
##########
paimon-core/src/main/java/org/apache/paimon/mergetree/compact/FirstRowMergeTreeCompactRewriter.java:
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@@ -77,8 +80,19 @@ protected boolean rewriteChangelog(
}
@Override
- protected boolean upgradeChangelog(int outputLevel, DataFileMeta file) {
- return file.level() == 0;
+ protected UpgradeStrategy upgradeChangelog(int outputLevel, DataFileMeta
file) {
Review Comment:
this class is not extended lookup rewriter.
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