Improve timestamp by get it from syscall. (#3958)

vesoft-inc · Mar 2, 2022 · b87de93 · b87de93
1 parent 1eda1f5
commit b87de93
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Showing 2 changed files with 5 additions and 4 deletions.
diff --git a/src/common/function/FunctionManager.cpp b/src/common/function/FunctionManager.cpp
@@ -1083,7 +1083,7 @@ FunctionManager::FunctionManager() {
     attr.isPure_ = false;
     attr.body_ = [](const auto &args) -> Value {
       UNUSED(args);
-      return time::WallClock::fastNowInSec();
+      return ::time(NULL);
     };
   }
   {
@@ -1765,7 +1765,7 @@ FunctionManager::FunctionManager() {
     attr.isPure_ = false;
     attr.body_ = [](const auto &args) -> Value {
       if (args.empty()) {
-        return time::WallClock::fastNowInSec();
+        return ::time(NULL);
       }
       auto status = time::TimeUtils::toTimestamp(args[0].get());
       if (!status.ok()) {

diff --git a/src/common/time/TimeUtils.h b/src/common/time/TimeUtils.h
@@ -206,8 +206,9 @@ class TimeUtils {
 
   // <seconds, milliseconds>
   static UnixTime unixTime() {
-    auto ms = WallClock::fastNowInMilliSec();
-    return UnixTime{ms / 1000, ms % 1000};
+    ::timespec ts;
+    ::clock_gettime(CLOCK_REALTIME, &ts);
+    return UnixTime{ts.tv_sec, ::lround(ts.tv_nsec / 1000000)};
   }
 };  // class TimeUtils