saintstack commented on a change in pull request #3532:
URL: https://github.com/apache/hbase/pull/3532#discussion_r686374412
##########
File path: hbase-client/src/main/java/org/apache/hadoop/hbase/client/Get.java
##########
@@ -339,6 +340,21 @@ public Get setFilter(Filter filter) {
return this;
}
+ /**
+ * Set the maximum result size. The default is -1; this means that no
specific
+ * maximum result size will be set for this Get.
+ *
+ * If set to a value greater than zero, the server may respond with a Result
where
+ * {@link Result#mayHaveMoreCellsInRow()} is true. The user is required to
handle
+ * this case.
Review comment:
I want a Cell Streaming API.
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/HRegion.java
##########
@@ -7518,11 +7516,35 @@ void prepareGet(final Get get) throws IOException {
@Override
public List<Cell> get(Get get, boolean withCoprocessor) throws IOException {
- return get(get, withCoprocessor, HConstants.NO_NONCE, HConstants.NO_NONCE);
+ return getInternal(get, withCoprocessor, HConstants.NO_NONCE,
HConstants.NO_NONCE).getFirst();
}
- private List<Cell> get(Get get, boolean withCoprocessor, long nonceGroup,
long nonce)
- throws IOException {
+ private Result get(Get get, boolean withCoprocessor, long nonceGroup, long
nonce)
+ throws IOException {
+ Pair<List<Cell>, ScannerContext> result = getInternal(get,
withCoprocessor, nonceGroup, nonce);
+ boolean stale = this.getRegionInfo().getReplicaId() != 0;
+
+ return Result.create(
+ result.getFirst(),
+ get.isCheckExistenceOnly() ? !result.getFirst().isEmpty() : null,
+ stale,
+ result.getSecond().mayHaveMoreCellsInRow());
+ }
+
+ private Pair<List<Cell>, ScannerContext> getInternal(Get get, boolean
withCoprocessor, long nonceGroup, long nonce)
+ throws IOException {
+ ScannerContext scannerContext = ScannerContext.newBuilder()
Review comment:
Thanks.
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