ibessonov commented on code in PR #1839:
URL: https://github.com/apache/ignite-3/pull/1839#discussion_r1149322282
##########
modules/storage-api/src/main/java/org/apache/ignite/internal/storage/index/IndexStorage.java:
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@@ -49,9 +51,29 @@ public interface IndexStorage {
* <p>Removing a non-existent row is a no-op.
*
* @apiNote This method <b>must</b> always be called inside the
corresponding partition's
- * {@link
org.apache.ignite.internal.storage.MvPartitionStorage#runConsistently} closure.
+ * {@link MvPartitionStorage#runConsistently} closure.
*
* @throws StorageException If failed to remove data.
*/
void remove(IndexRow row) throws StorageException;
+
+ /**
+ * Returns the row ID for which the index needs to be built, {@code null}
means that the index building has completed.
+ *
+ * <p>If index building has not started yet, it will return {@link
RowId#lowestRowId(int)}.
+ *
+ * @throws StorageException If failed to get the row ID.
+ */
+ @Nullable RowId getNextRowIdToBuild();
Review Comment:
From my side - exception in the signature simply makes it more explicit.
StorageException should have been checked, and we wouldn't have this
discussion in such case.
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