Gabriel39 commented on code in PR #66247:
URL: https://github.com/apache/doris/pull/66247#discussion_r3689764112
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fe/fe-core/src/main/java/org/apache/doris/nereids/StatementContext.java:
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@@ -1047,8 +1049,28 @@ public void loadSnapshots(TableIf specificTable,
Optional<TableSnapshot> tableSn
MvccTableInfo mvccTableInfo = new MvccTableInfo(specificTable,
versionKeyOf(tableSnapshot, scanParams));
if (!snapshots.containsKey(mvccTableInfo)) {
- snapshots.put(mvccTableInfo,
- ((MvccTable)
specificTable).loadSnapshot(tableSnapshot, scanParams));
+ MvccTable mvccTable = (MvccTable) specificTable;
+ MvccSnapshot snapshot;
+ if (mvccTable.requiresLatestSnapshotFence(tableSnapshot,
scanParams)) {
+ MvccTableInfo latestKey = new MvccTableInfo(specificTable);
+ MvccSnapshot latestFence =
latestSnapshots.computeIfAbsent(latestKey,
Review Comment:
Fixed in 068ee111cd0. setSnapshot now seeds the latest-snapshot map as the
statement fence, so option projections reuse the MTMV-injected version instead
of performing a newer live lookup. The new seeded-fence test covers both alias
orders.
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