rpuch commented on code in PR #1992:
URL: https://github.com/apache/ignite-3/pull/1992#discussion_r1182260512
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modules/table/src/main/java/org/apache/ignite/internal/table/distributed/SortedIndexLocker.java:
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@@ -155,15 +154,15 @@ public CompletableFuture<Lock> locksForInsert(UUID txId,
BinaryRow tableRow, Row
BinaryTuplePrefix prefix = BinaryTuplePrefix.fromBinaryTuple(key);
- // find next key
- Cursor<IndexRow> cursor = storage.scan(prefix, null,
SortedIndexStorage.GREATER);
+ // Find next key.
+ PeekCursor<IndexRow> cursor = storage.scan(prefix, null,
SortedIndexStorage.GREATER);
- BinaryTuple nextKey;
- if (cursor.hasNext()) {
- nextKey = cursor.next().indexColumns();
- } else { // otherwise INF
- nextKey = POSITIVE_INF;
- }
+ //noinspection ResultOfMethodCallIgnored
+ cursor.hasNext();
+
+ // "peek" works the same as "next" when "hasNext" is called. The only
difference is that it returns null instead of throwing
+ // an exception, if nothing is found.
+ BinaryTuple nextKey = indexKey(cursor.peek());
Review Comment:
My comment is not relevant anymore, please ignore it
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