From d7af8ff0e07944ef07886cc3e87fe66ec0e8f2fe Mon Sep 17 00:00:00 2001
From: Duarte Nunes <duarte@scylladb.com>
Date: Wed, 10 Jan 2018 17:51:14 +0000
Subject: [PATCH] service/storage_proxy: Enable hash caching

Set the option that enables the underlying memtable and cache readers
to request caching of a cell's hash, for requests that require a
digest.

Signed-off-by: Duarte Nunes <duarte@scylladb.com>
---
 service/storage_proxy.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/service/storage_proxy.cc b/service/storage_proxy.cc
index b67e777132..a12c9eb53f 100644
--- a/service/storage_proxy.cc
+++ b/service/storage_proxy.cc
@@ -2921,6 +2921,7 @@ storage_proxy::query_result_local_digest(schema_ptr s, lw_shared_ptr<query::read
 future<foreign_ptr<lw_shared_ptr<query::result>>, cache_temperature>
 storage_proxy::query_result_local(schema_ptr s, lw_shared_ptr<query::read_command> cmd, const dht::partition_range& pr, query::result_options opts,
                                   tracing::trace_state_ptr trace_state, storage_proxy::clock_type::time_point timeout, uint64_t max_size) {
+    cmd->slice.options.set_if<query::partition_slice::option::with_digest>(opts.request != query::result_request::only_result);
     if (pr.is_singular()) {
         unsigned shard = _db.local().shard_of(pr.start()->value().token());
         return _db.invoke_on(shard, [max_size, gs = global_schema_ptr(s), prv = dht::partition_range_vector({pr}) /* FIXME: pr is copied */, cmd, opts, timeout, gt = tracing::global_trace_state_ptr(std::move(trace_state))] (database& db) mutable {