leo65535 commented on code in PR #702:
URL: https://github.com/apache/incubator-paimon/pull/702#discussion_r1147036936
##########
paimon-core/src/main/java/org/apache/paimon/table/system/SnapshotsTable.java:
##########
@@ -194,11 +195,18 @@ public RecordReader<InternalRow> createReader(Split
split) throws IOException {
Path location = ((SnapshotsSplit) split).location;
Iterator<Snapshot> snapshots = new SnapshotManager(fileIO,
location).snapshots();
Iterator<InternalRow> rows = Iterators.transform(snapshots,
this::toRow);
- if (projection != null) {
+
+ if (projection != null && projection.length != 0) {
rows =
Iterators.transform(
rows, row ->
ProjectedRow.from(projection).replaceRow(row));
}
+
+ rows =
+ Arrays.stream(Iterators.toArray(rows, InternalRow.class))
+ .sorted(Comparator.comparingLong(row ->
row.getLong(0)))
+ .iterator();
+
Review Comment:
hi, it will be more complex if we do that, so let's keep it.
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