[TS-471]<fix>: fixed that queries in timezone with DST were incorrect

src/os/src/darwin/dwSysInfo.c

@@ -65,6 +65,8 @@ static void taosGetSystemTimezone() {
   struct tm tm1;
   localtime_r(&tx1, &tm1);
 
+  tsDaylight = daylight;
+
   /*
    * format example:
    *

src/os/src/detail/osSysinfo.c

@@ -213,6 +213,8 @@ static void taosGetSystemTimezone() {
   int32_t tz = (-timezone * MILLISECOND_PER_SECOND) / MILLISECOND_PER_HOUR;
   tz += daylight;
 
+  tsDaylight = daylight;
+
   /*
    * format example:
    *

src/os/src/windows/wSysinfo.c

@@ -91,6 +91,17 @@ static void taosGetSystemTimezone() {
       strcpy(tsTimezone, tz);
     }
     cfg_timezone->cfgStatus = TAOS_CFG_CSTATUS_DEFAULT;
+
+#ifdef _MSC_VER
+#if _MSC_VER >= 1900
+    int64_t timezone = _timezone;
+    int32_t daylight = _daylight;
+    char **tzname = _tzname;
+#endif
+#endif
+
+    tsDaylight = daylight;
+
     uInfo("timezone not configured, use default");
   }
 }