Github user elilevine commented on a diff in the pull request:
https://github.com/apache/phoenix/pull/37#discussion_r24923602
--- Diff:
phoenix-core/src/main/java/org/apache/phoenix/execute/MutationState.java ---
@@ -78,7 +87,11 @@
private PhoenixConnection connection;
private final long maxSize;
private final ImmutableBytesPtr tempPtr = new ImmutableBytesPtr();
- private final Map<TableRef,
Map<ImmutableBytesPtr,Map<PColumn,byte[]>>> mutations =
Maps.newHashMapWithExpectedSize(3); // TODO: Sizing?
+ /**
+ * Use {@link TreeMap} for {@link #mutations} below to enforce a
deterministic ordering for easier testing of partial failures.
+ * @see PartialCommitIT
+ */
+ private final Map<TableRef, Map<ImmutableBytesPtr,RowMutationState>>
mutations = Maps.newTreeMap(new TableRefComparator());
--- End diff --
They are being sorted here to allow for consistent partial commit
verification in tests. Without a predictable sorting here it is impossible to
write robust tests for partial commits.
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