Tan-JiaLiang commented on code in PR #6028:
URL: https://github.com/apache/paimon/pull/6028#discussion_r2269126518
##########
paimon-common/src/main/java/org/apache/paimon/fileindex/FileIndexPredicate.java:
##########
@@ -168,4 +189,39 @@ public FileIndexResult visit(CompoundPredicate predicate) {
}
}
}
+
+ /** TopN test worker. */
+ private static class FileIndexTopNTest implements
TopNVisitor<FileIndexResult> {
+
+ private final Set<FileIndexReader> readers;
+ private final FileIndexResult result;
+
+ public FileIndexTopNTest(Set<FileIndexReader> readers, FileIndexResult
result) {
+ this.readers = readers;
+ this.result = result;
+ }
+
+ @Override
+ public FileIndexResult visit(TopN topN) {
+ for (FileIndexReader reader : readers) {
+ FileIndexResult ret = reader.visitTopN(topN, result);
+ if (!REMAIN.equals(ret)) {
+ ret.remain();
Review Comment:
We need to trigger the calculation immediately. Because the
FileIndexEvaluator#evaluate will close the FileIndexPredicate.
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