[GitHub] [tvm] zxybazh commented on a diff in pull request #12520: [MetaSchedule][UX] Make `Database` with-able

[GitBox <gi...@apache.org>]

zxybazh commented on code in PR #12520:
URL: https://github.com/apache/tvm/pull/12520#discussion_r956421893


##########
include/tvm/meta_schedule/database.h:
##########
@@ -203,6 +203,27 @@ class DatabaseNode : public runtime::Object {
    * \return The size of the database.
    */
   virtual int64_t Size() = 0;
+  /*!
+   * \brief Query the best record of the given workload from the database.
+   * \param mod The IRModule to be searched for.
+   * \param target The target to be searched for.
+   * \return The best record of the given workload; NullOpt if not found.
+   */
+  virtual Optional<TuningRecord> QueryTuningRecord(IRModule mod, Target target);
+  /*!
+   * \brief Query the best record of the given workload from the database.

Review Comment:
   Ditto, `record` -> `Schedule`



##########
src/meta_schedule/database/database.cc:
##########
@@ -154,6 +154,59 @@ TuningRecord TuningRecord::FromJSON(const ObjectRef& json_obj, const Workload& w
   return TuningRecord(trace, workload, run_secs, target, args_info);
 }
 
+/******** Database ********/
+
+Optional<TuningRecord> DatabaseNode::QueryTuningRecord(IRModule mod, Target target) {

Review Comment:
   We may want to add a target comparison function to distinguish between the target given here in the future.



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