ServerAggregators aggregators =
ServerAggregators.deserialize(scan
.getAttribute(GroupedAggregateRegionObserver.AGGREGATORS), c
.getEnvironment().getConfiguration());
final ScanProjector p = ScanProjector.deserializeProjectorFromScan(scan);
final HashJoinInfo j = HashJoinInfo.deserializeHashJoinFromScan(scan);
RegionScanner innerScanner = s;
if (p != null || j != null) {
innerScanner =
new HashJoinRegionScanner(s, p, j, ScanUtil.getTenantId(scan),