SammyVimes commented on code in PR #1102:
URL: https://github.com/apache/ignite-3/pull/1102#discussion_r974970417
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modules/storage-page-memory/src/main/java/org/apache/ignite/internal/storage/pagememory/mv/AbstractPageMemoryMvPartitionStorage.java:
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@@ -280,38 +305,65 @@ private void throwIfChainBelongsToAnotherTx(VersionChain
versionChain, UUID txId
assert transactionId != null ^ timestamp != null;
if (transactionId != null) {
- return findLatestRowVersion(versionChain, transactionId,
keyFilter);
+ ReadResult res = findLatestRowVersion(versionChain, transactionId,
keyFilter);
+
+ if (res == null) {
+ return null;
+ }
+
+ return res.binaryRow();
} else {
- ByteBufferRow row = findRowVersionByTimestamp(versionChain,
timestamp);
+ ReadResult res = findRowVersionByTimestamp(versionChain,
timestamp);
+
+ if (res == null) {
+ return null;
+ }
+
+ BinaryRow row = res.binaryRow();
return keyFilter.test(row) ? row : null;
}
}
- private @Nullable ByteBufferRow findRowVersionByTimestamp(VersionChain
versionChain, HybridTimestamp timestamp) {
- if (!versionChain.hasCommittedVersions()) {
- return null;
- }
-
- long newestCommittedLink = versionChain.newestCommittedLink();
+ private @Nullable ReadResult findRowVersionByTimestamp(VersionChain
versionChain, HybridTimestamp timestamp) {
+ long headLink = versionChain.headLink();
ScanVersionChainByTimestamp scanByTimestamp = new
ScanVersionChainByTimestamp(partitionId);
try {
- rowVersionDataPageReader.traverse(newestCommittedLink,
scanByTimestamp, timestamp);
+ rowVersionDataPageReader.traverse(headLink, scanByTimestamp,
timestamp);
Review Comment:
In the name of the class?
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