palak-9202 commented on code in PR #13428:
URL: https://github.com/apache/arrow/pull/13428#discussion_r919698275
##########
cpp/src/gandiva/gdv_function_stubs.cc:
##########
@@ -611,6 +611,51 @@ int32_t gdv_fn_cast_intervalyear_utf8_int32(int64_t
context_ptr, int64_t holder_
auto* holder = reinterpret_cast<gandiva::IntervalYearsHolder*>(holder_ptr);
return (*holder)(context, data, data_len, in1_validity, out_valid);
}
+
+GANDIVA_EXPORT
+gdv_timestamp to_utc_timezone_timestamp(int64_t context, gdv_timestamp
time_miliseconds,
+ const char* timezone, gdv_int32
length) {
+ using std::chrono::milliseconds;
+ using arrow_vendored::date::sys_time;
+ using arrow_vendored::date::time_zone;
+ using arrow_vendored::date::zoned_time;
+ using arrow_vendored::date::locate_zone;
+
+ sys_time <milliseconds> tp {milliseconds{time_miliseconds}};
+ try {
+ const time_zone* local_tz = locate_zone(std::string(timezone, length));
+ gdv_timestamp offset = local_tz->get_info(tp).offset.count()*1000;
+ return time_miliseconds - static_cast<gdv_timestamp>(offset);
+ } catch(...) {
+ gdv_fn_context_set_error_msg(context, "Invalid time zone");
+ return 0;
+ }
+}
+
+GANDIVA_EXPORT
+gdv_timestamp from_utc_timezone_timestamp(gdv_int64 context,
+ gdv_timestamp time_miliseconds,
+ const char* timezone, gdv_int32
length) {
+ using std::chrono::milliseconds;
+ using arrow_vendored::date::sys_time;
+ using arrow_vendored::date::time_zone;
+ using arrow_vendored::date::zoned_time;
+ using arrow_vendored::date::make_zoned;
+
+ sys_time <milliseconds> tp {milliseconds{time_miliseconds}};
+ const zoned_time<milliseconds, const time_zone*> utc_tz =
Review Comment:
I didn't get any errors on my environment either, the build error occurred
in the Appveyor build check
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