Github user poornachandra commented on a diff in the pull request:
https://github.com/apache/incubator-tephra/pull/34#discussion_r100648684
--- Diff:
tephra-hbase-compat-1.1-base/src/main/java/org/apache/tephra/hbase/txprune/DataJanitorState.java
---
@@ -366,6 +371,56 @@ public void
deleteInactiveTransactionBoundsOnOrBeforeTime(long time) throws IOEx
}
}
+ // --------------------------------------------------------
+ // ------- Methods for empty regions at a given time -------
+ // --------------------------------------------------------
+ // Key: 0x4<time><region-id>
+ // Col 'e': <empty byte array>
+ // --------------------------------------------------------
+
+ /**
+ * Save the given region as empty as of the given time.
+ *
+ * @param time time in milliseconds
+ * @param regionId region id
+ */
+ public void saveEmptyRegionForTime(long time, byte[] regionId) throws
IOException {
+ byte[] timeBytes = Bytes.toBytes(time);
+ try (Table stateTable = stateTableSupplier.get()) {
+ Put put = new Put(makeEmptyRegionTimeKey(timeBytes, regionId));
+ put.addColumn(FAMILY, EMPTY_REGION_TIME_COL, EMPTY_BYTE_ARRAY);
--- End diff --
Sure - will replace empty byte with '1'
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