1 files changed, 17 insertions, 6 deletions
diff --git a/src/mongo/db/exec/sbe/values/value.h b/src/mongo/db/exec/sbe/values/value.h
index e783c7f4641..e4fdb27d510 100644
--- a/src/mongo/db/exec/sbe/values/value.h
+++ b/src/mongo/db/exec/sbe/values/value.h
@@ -32,6 +32,7 @@
 #include <absl/container/flat_hash_map.h>
 #include <absl/container/flat_hash_set.h>
 #include <array>
+#include <bitset>
 #include <cstdint>
 #include <ostream>
 #include <string>
@@ -40,6 +41,7 @@
 
 #include "mongo/base/data_type_endian.h"
 #include "mongo/base/data_view.h"
+#include "mongo/bson/ordering.h"
 #include "mongo/platform/decimal128.h"
 #include "mongo/util/assert_util.h"
 
@@ -58,6 +60,8 @@ namespace sbe {
 using FrameId = int64_t;
 using SpoolId = int64_t;
 
+using IndexKeysInclusionSet = std::bitset<Ordering::kMaxCompoundIndexKeys>;
+
 namespace value {
 
 /**
@@ -462,15 +466,22 @@ inline std::string_view getStringView(TypeTags tag, Value& val) noexcept {
     MONGO_UNREACHABLE;
 }
 
+inline std::pair<TypeTags, Value> makeSmallString(std::string_view input) {
+    size_t len = input.size();
+    invariant(len < kSmallStringThreshold - 1);
+
+    Value smallString;
+    // This is OK - we are aliasing to char*.
+    auto stringAlias = getSmallStringView(smallString);
+    memcpy(stringAlias, input.data(), len);
+    stringAlias[len] = 0;
+    return {TypeTags::StringSmall, smallString};
+}
+
 inline std::pair<TypeTags, Value> makeNewString(std::string_view input) {
     size_t len = input.size();
     if (len < kSmallStringThreshold - 1) {
-        Value smallString;
-        // This is OK - we are aliasing to char*.
-        auto stringAlias = getSmallStringView(smallString);
-        memcpy(stringAlias, input.data(), len);
-        stringAlias[len] = 0;
-        return {TypeTags::StringSmall, smallString};
+        return makeSmallString(input);
     } else {
         auto str = new char[len + 1];
         memcpy(str, input.data(), len);