Add timestamp for prediction.
diff --git a/query_execution/Learner.cpp b/query_execution/Learner.cpp
index 272d582..6f47ebf 100644
--- a/query_execution/Learner.cpp
+++ b/query_execution/Learner.cpp
@@ -19,6 +19,7 @@
#include <algorithm>
#include <cstddef>
+#include <chrono>
#include <string>
#include <unordered_map>
#include <utility>
@@ -287,8 +288,13 @@
output += ",";
}
if (!output.empty()) {
- // Remove the trailing comma.
- output.pop_back();
+ // Add the timestamp for the prediction in the end.
+ std::chrono::time_point<std::chrono::steady_clock> end = std::chrono::steady_clock::now();
+ const uint64_t execution_end_timestamp =
+ std::chrono::duration_cast<std::chrono::microseconds>(
+ end.time_since_epoch())
+ .count();
+ output += std::to_string(execution_end_timestamp);
LOG(INFO) << output;
}
}
