rpuch commented on code in PR #2761:
URL: https://github.com/apache/ignite-3/pull/2761#discussion_r1375825534
##########
modules/table/src/main/java/org/apache/ignite/internal/table/distributed/replicator/PartitionReplicaListener.java:
##########
@@ -472,34 +472,30 @@ private CompletableFuture<?>
processRequest(ReplicaRequest request, @Nullable Bo
}
}
- return waitForSchemasBeforeReading(request)
- .thenCompose(unused -> validateTableExistence(request))
- .thenCompose(opStartTimestamp ->
processOperationRequest(request, isPrimary, senderId, opStartTimestamp));
+ HybridTimestamp opTsIfDirectRo = (request instanceof
ReadOnlyDirectReplicaRequest) ? hybridClock.now() : null;
+
+ return validateTableExistence(request, opTsIfDirectRo)
+ .thenCompose(unused -> validateSchemaMatch(request,
opTsIfDirectRo))
+ .thenCompose(unused -> waitForSchemasBeforeReading(request,
opTsIfDirectRo))
+ .thenCompose(opStartTimestamp ->
processOperationRequest(request, isPrimary, senderId, opTsIfDirectRo));
}
/**
- * Makes sure that we have schemas corresponding to the moment of tx
start; this makes PK extraction safe WRT
- * {@link org.apache.ignite.internal.schema.SchemaRegistry#schema(int)}.
+ * Validates that the table exists at a timestamp corresponding to the
request operation.
*
- * @param request Request that's being processed.
+ * <ul>
+ * <li>For an RW read/write, it's 'now'</li>
Review Comment:
I rephrased a bit
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