schema: handle caching options

Signed-off-by: Glauber Costa <glommer@cloudius-systems.com>

schema.hh

@@ -19,6 +19,7 @@
 #include "utils/UUID.hh"
 #include "compress.hh"
 #include "compaction_strategy.hh"
+#include "caching_options.hh"
 
 using column_id = uint32_t;
 
@@ -255,6 +256,7 @@ private:
         // we will use by default - when we have the choice.
         sstables::compaction_strategy_type _compaction_strategy = sstables::compaction_strategy_type::size_tiered;
         std::map<sstring, sstring> _compaction_strategy_options;
+        caching_options _caching_options;
     };
     raw_schema _raw;
     thrift_schema _thrift;
@@ -386,6 +388,10 @@ public:
         return _raw._speculative_retry;
     }
 
+    const ::caching_options& caching_options() const {
+        return _raw._caching_options;
+    }
+
     const column_definition* get_column_definition(const bytes& name) const;
     const_iterator regular_begin() const {
         return regular_columns().begin();

schema_builder.hh

@@ -142,6 +142,10 @@ public:
         _raw._compaction_strategy_options = std::move(options);
     }
 
+    void set_caching_options(caching_options c) {
+        _raw._caching_options = std::move(c);
+    }
+
     void set_is_dense(bool is_dense) {
         _raw._is_dense = is_dense;
     }