aokolnychyi commented on a change in pull request #315: [WIP] Incremental
processing prototype
URL: https://github.com/apache/incubator-iceberg/pull/315#discussion_r347104042
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File path: api/src/main/java/org/apache/iceberg/Table.java
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@@ -44,6 +44,15 @@
*/
TableScan newScan();
+
+ /**
+ * @param fromSnapshotId - the last snapshot id read by the user, exclusive
+ * @param toSnapshotId - read incremental data upto this snapshot id
+ * @return a table scan which can read incremental data from {@param
fromSnapshotId}
+ * exclusive and up to {@toSnapshotId} inclusive
+ */
+ TableScan newIncrementalScan(long fromSnapshotId, long toSnapshotId);
Review comment:
I think it is essential that we can start a stream data from a large table
and have multiple batches for this. @rdblue, can you elaborate on the batch
process you mentioned?
I've also summarized my thoughts on requirements for Structured Streaming
sources in
[this](https://github.com/apache/incubator-iceberg/issues/179#issuecomment-554666093)
comment. Let me know if that makes sense to you, @rdsr @rdblue.
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