kadirozde commented on a change in pull request #701: PHOENIX-5709 Simplify
index update generation code for consistent glo…
URL: https://github.com/apache/phoenix/pull/701#discussion_r377788510
##########
File path:
phoenix-core/src/main/java/org/apache/phoenix/hbase/index/IndexRegionObserver.java
##########
@@ -533,13 +709,202 @@ private void
handleLocalIndexUpdates(ObserverContext<RegionCoprocessorEnvironmen
}
}
- private void prepareIndexMutations(
- ObserverContext<RegionCoprocessorEnvironment> c,
- MiniBatchOperationInProgress<Mutation> miniBatchOp,
- BatchMutateContext context,
- Collection<? extends Mutation> mutations,
- long now,
- PhoenixIndexMetaData indexMetaData) throws Throwable {
+ /**
+ * Retrieve the the last committed row state. This method is called only
for regular updates
+ */
+ private void
getCurrentRowStates(ObserverContext<RegionCoprocessorEnvironment> c,
+ BatchMutateContext context) throws
IOException {
+ Set<KeyRange> keys = new HashSet<KeyRange>(context.rowsToLock.size());
+ for (ImmutableBytesPtr rowKeyPtr : context.rowsToLock) {
+ keys.add(PVarbinary.INSTANCE.getKeyRange(rowKeyPtr.get()));
+ }
+ Scan scan = new Scan();
+ ScanRanges scanRanges = ScanRanges.createPointLookup(new
ArrayList<KeyRange>(keys));
+ scanRanges.initializeScan(scan);
+ SkipScanFilter skipScanFilter = scanRanges.getSkipScanFilter();
+ scan.setFilter(skipScanFilter);
+ context.currentRowStates = new HashMap<ImmutableBytesPtr,
Put>(context.rowsToLock.size());
+ try (RegionScanner scanner =
c.getEnvironment().getRegion().getScanner(scan)) {
+ boolean more = true;
+ while(more) {
+ List<Cell> cells = new ArrayList<Cell>();
+ more = scanner.next(cells);
+ if (cells.isEmpty()) {
+ continue;
+ }
+ byte[] rowKey = CellUtil.cloneRow(cells.get(0));
+ Put put = new Put(rowKey);
+ for (Cell cell : cells) {
+ put.add(cell);
+ }
+ context.currentRowStates.put(new ImmutableBytesPtr(rowKey),
put);
+ }
+ }
+ }
+
+ private Collection<Cell> getCollection(Mutation m) {
+ Collection<Cell> collection = new ArrayList<>();
+ for (List<Cell> cells : m.getFamilyCellMap().values()) {
+ collection.addAll(cells);
Review comment:
IndexMaintainer does not touch the input cells.
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