Let the datetime parser support the time zone offset ant time zone name.

src/daemons/GraphDaemon.cpp

@@ -96,6 +96,13 @@ int main(int argc, char *argv[]) {
     // TODO: Check the ip is valid
     nebula::HostAddr localhost{FLAGS_local_ip, FLAGS_port};
 
+    // load the time zone data
+    status = nebula::time::Timezone::init();
+    if (!status.ok()) {
+        LOG(ERROR) << status;
+        return EXIT_FAILURE;
+    }
+
     // Initialize the global timezone, it's only used for datetime type compute
     // won't affect the process timezone.
     status = nebula::time::Timezone::initializeGlobalTimezone();

tests/common/nebula_service.py

@@ -55,10 +55,13 @@ def _copy_nebula_conf(self):
         shutil.copy(storage_conf_path + '/nebula-metad.conf.default',
                     self.work_dir + '/conf/nebula-metad.conf')
 
-        # gflags.json
         resources_dir = self.work_dir + '/share/resources/'
         os.makedirs(resources_dir)
+        # gflags.json
         shutil.copy(self.build_dir + '/../resources/gflags.json', resources_dir)
+        # timezone file
+        shutil.copy(self.build_dir + '/../resources/date_time_zonespec.csv', resources_dir)
+
 
     def _format_nebula_command(self, name, meta_port, ports, debug_log=True):
         params = [

tests/tck/features/mutate/InsertWithTimeType.feature

@@ -107,6 +107,76 @@ Feature: Insert with time-dependent types
     Then the result should be, in any order:
       | edge_date._src | edge_date._dst | edge_date._rank | edge_date.f_date | edge_date.f_time  | edge_date.f_datetime         |
       | 'test_src'     | 'test_dst'     | 0               | '2017-03-04'     | '23:01:00.000000' | '2017-03-04T22:30:40.000000' |
+    # insert with timezone offset and microseconds
+    When try to execute query:
+      """
+      INSERT VERTEX tag_date(f_date, f_time, f_datetime) VALUES "test":(date("2017-03-04"), time("23:01:00.010000+01:00"), datetime("2017-03-04T22:30:40.003000-02:30"));
+      INSERT EDGE edge_date(f_date, f_time, f_datetime) VALUES "test_src"->"test_dst":(date("2017-03-04"), time("23:01:00.010000+01:00"), datetime("2017-03-04T22:30:40.003000-02:30"));
+      """
+    Then the execution should be successful
+    When executing query:
+      """
+      FETCH PROP ON tag_date "test" YIELD tag_date.f_date, tag_date.f_time, tag_date.f_datetime;
+      """
+    Then the result should be, in any order:
+      | VertexID | tag_date.f_date | tag_date.f_time   | tag_date.f_datetime          |
+      | 'test'   | '2017-03-04'    | '22:01:00.010000' | '2017-03-05T01:00:40.003000' |
+    When executing query:
+      """
+      FETCH PROP ON edge_date "test_src"->"test_dst" YIELD edge_date.f_date, edge_date.f_time, edge_date.f_datetime;
+      """
+    Then the result should be, in any order:
+      | edge_date._src | edge_date._dst | edge_date._rank | edge_date.f_date | edge_date.f_time  | edge_date.f_datetime         |
+      | 'test_src'     | 'test_dst'     | 0               | '2017-03-04'     | '22:01:00.010000' | '2017-03-05T01:00:40.003000' |
+    # insert with timezone name and microseconds
+    When try to execute query:
+      """
+      INSERT VERTEX tag_date(f_date, f_time, f_datetime) VALUES "test":(date("2017-03-04"), time("23:01:00.010000[Asia/Shanghai]"), datetime("2017-03-04T22:30:40.003000[Asia/Shanghai]"));
+      INSERT EDGE edge_date(f_date, f_time, f_datetime) VALUES "test_src"->"test_dst":(date("2017-03-04"), time("23:01:00.010000[Asia/Shanghai]"), datetime("2017-03-04T22:30:40.003000[Asia/Shanghai]"));
+      """
+    Then the execution should be successful
+    When executing query:
+      """
+      FETCH PROP ON tag_date "test" YIELD tag_date.f_date, tag_date.f_time, tag_date.f_datetime;
+      """
+    Then the result should be, in any order:
+      | VertexID | tag_date.f_date | tag_date.f_time   | tag_date.f_datetime          |
+      | 'test'   | '2017-03-04'    | '15:01:00.010000' | '2017-03-04T14:30:40.003000' |
+    When executing query:
+      """
+      FETCH PROP ON edge_date "test_src"->"test_dst" YIELD edge_date.f_date, edge_date.f_time, edge_date.f_datetime;
+      """
+    Then the result should be, in any order:
+      | edge_date._src | edge_date._dst | edge_date._rank | edge_date.f_date | edge_date.f_time  | edge_date.f_datetime         |
+      | 'test_src'     | 'test_dst'     | 0               | '2017-03-04'     | '15:01:00.010000' | '2017-03-04T14:30:40.003000' |
+    # insert with timezone name and utc offset
+    When try to execute query:
+      """
+      INSERT VERTEX tag_date(f_date, f_time, f_datetime) VALUES "test":(date("2017-03-04"), time("23:01:00.010000+08:00[Asia/Shanghai]"), datetime("2017-03-04T22:30:40.003000+08:00[Asia/Shanghai]"));
+      INSERT EDGE edge_date(f_date, f_time, f_datetime) VALUES "test_src"->"test_dst":(date("2017-03-04"), time("23:01:00.010000+08:00[Asia/Shanghai]"), datetime("2017-03-04T22:30:40.003000+08:00[Asia/Shanghai]"));
+      """
+    Then the execution should be successful
+    When executing query:
+      """
+      FETCH PROP ON tag_date "test" YIELD tag_date.f_date, tag_date.f_time, tag_date.f_datetime;
+      """
+    Then the result should be, in any order:
+      | VertexID | tag_date.f_date | tag_date.f_time   | tag_date.f_datetime          |
+      | 'test'   | '2017-03-04'    | '15:01:00.010000' | '2017-03-04T14:30:40.003000' |
+    When executing query:
+      """
+      FETCH PROP ON edge_date "test_src"->"test_dst" YIELD edge_date.f_date, edge_date.f_time, edge_date.f_datetime;
+      """
+    Then the result should be, in any order:
+      | edge_date._src | edge_date._dst | edge_date._rank | edge_date.f_date | edge_date.f_time  | edge_date.f_datetime         |
+      | 'test_src'     | 'test_dst'     | 0               | '2017-03-04'     | '15:01:00.010000' | '2017-03-04T14:30:40.003000' |
+    # insert with timezone name and mismatched utc offset
+    When try to execute query:
+      """
+      INSERT VERTEX tag_date(f_date, f_time, f_datetime) VALUES "test":(date("2017-03-04"), time("23:01:00.010000-03:00[Asia/Shanghai]"), datetime("2017-03-04T22:30:40.003000+03:00[Asia/Shanghai]"));
+      INSERT EDGE edge_date(f_date, f_time, f_datetime) VALUES "test_src"->"test_dst":(date("2017-03-04"), time("23:01:00.010000-03:00[Asia/Shanghai]"), datetime("2017-03-04T22:30:40.003000+03:00[Asia/Shanghai]"));
+      """
+    Then a ExecutionError should be raised at runtime: Wrong value type: time("23:01:00.010000-03:00[Asia/Shanghai]")
     When executing query:
       """
       UPDATE VERTEX "test"