Update Stats deserialization

test/support/src/serialization_wrappers.cc

@@ -32,6 +32,7 @@
  */
 
 #include "test/support/src/helpers.h"
+#include "tiledb/api/c_api/context/context_api_internal.h"
 #include "tiledb/sm/c_api/tiledb.h"
 #include "tiledb/sm/c_api/tiledb_serialization.h"
 #include "tiledb/sm/c_api/tiledb_struct_def.h"
@@ -205,7 +206,7 @@ void tiledb_subarray_serialize(
   // Deserialize
   tiledb_subarray_t* deserialized_subarray;
   auto layout = (*subarray)->subarray_->layout();
-  auto stats = (*subarray)->subarray_->stats();
+  auto stats = ctx->storage_manager()->stats()->create_child("Subarray");
   shared_ptr<Logger> dummy_logger = make_shared<Logger>(HERE(), "");
 
   tiledb::test::require_tiledb_ok(

tiledb/sm/serialization/query.cc

@@ -335,12 +335,7 @@ Subarray subarray_from_capnp(
     }
   }
 
-  // If cap'n proto object has stats set it on c++ object
-  Subarray s(array, layout, parent_stats, logger, true);
-  if (reader.hasStats()) {
-    auto stats_data = stats_from_capnp(reader.getStats());
-    subarray->set_stats(stats_data);
-  }
+  const auto& stats_data = stats_from_capnp(reader.getStats());
 
   std::vector<unsigned> relevant_fragments;
   if (reader.hasRelevantFragments()) {
@@ -356,7 +351,8 @@ Subarray subarray_from_capnp(
   return {
       array->opened_array(),
       layout,
-      reader.hasStats() ? s.stats() : parent_stats,
+      parent_stats,
+      stats_data,
       logger,
       range_subset,
       is_default,

tiledb/sm/subarray/subarray.cc

@@ -153,15 +153,16 @@ Subarray::Subarray(
 Subarray::Subarray(
     const shared_ptr<OpenedArray> opened_array,
     Layout layout,
-    stats::Stats* stats,
+    stats::Stats* parent_stats,
+    const stats::StatsData& stats_data,
     shared_ptr<Logger> logger,
     std::vector<RangeSetAndSuperset> range_subset,
     std::vector<bool> is_default,
     std::vector<optional<Subarray::LabelRangeSubset>> label_range_subset,
     std::unordered_map<std::string, std::vector<Range>> attr_range_subset,
     RelevantFragments relevant_fragments,
     bool coalesce_ranges)
-    : stats_(stats)
+    : stats_(parent_stats->create_child("Subarray", stats_data))
     , logger_(std::move(logger))
     , array_(opened_array)
     , layout_(layout)
@@ -3103,10 +3104,6 @@ const stats::Stats& Subarray::stats() const {
   return *stats_;
 }
 
-void Subarray::set_stats(const stats::StatsData& data) {
-  stats_->populate_with_data(data);
-}
-
 tuple<Status, optional<bool>> Subarray::non_overlapping_ranges_for_dim(
     const uint64_t dim_idx) {
   const auto& ranges = range_subset_[dim_idx].ranges();

tiledb/sm/subarray/subarray.h

@@ -330,7 +330,8 @@ class Subarray {
    *    if the subarray is used for reads, or of the values provided
    *    by the user for writes).
    * @param parent_stats The parent stats to inherit from.
-   * @param logger The parent logger to clone and use for logging
+   * @param stats_data The stats data to use for the subarray.
+   * @param logger The parent logger to clone and use for logging.
    * @param range_subset Vector of RangeSetAndSuperset for each dimension.
    * @param is_default Vector of boolean indicating if the range is default.
    * @param label_range_subset Vector of optional<LabelRangeSubset> for each
@@ -339,12 +340,13 @@ class Subarray {
    *    each attribute.
    * @param relevant_fragments RelevantFragments object for the subarray.
    * @param coalesce_ranges When enabled, ranges will attempt to coalesce
-   *    with existing ranges as they are added
+   *    with existing ranges as they are added.
    */
   Subarray(
       const shared_ptr<OpenedArray> opened_array,
       Layout layout,
-      stats::Stats* stats,
+      stats::Stats* parent_stats,
+      const stats::StatsData& stats_data,
       shared_ptr<tiledb::common::Logger> logger,
       std::vector<RangeSetAndSuperset> range_subset,
       std::vector<bool> is_default,
@@ -1336,14 +1338,6 @@ class Subarray {
   /** Returns `stats_`. */
   const stats::Stats& stats() const;
 
-  /**
-   * Populate the owned stats instance with data.
-   * To be removed when the class will get a C41 constructor.
-   *
-   * @param data Data to populate the stats with.
-   */
-  void set_stats(const stats::StatsData& data);
-
   /** Stores a vector of 1D ranges per dimension. */
   std::vector<std::vector<uint64_t>> original_range_idx_;