Github user grundprinzip commented on a diff in the pull request:
https://github.com/apache/orc/pull/142#discussion_r131192257
--- Diff: c++/src/Timezone.cc ---
@@ -735,18 +739,36 @@ namespace orc {
* Get the local timezone.
*/
const Timezone& getLocalTimezone() {
+#ifdef TZ_DB_STATIC_TZ
+#define TZ_STR(x) #x
+ return getTimezoneByName(TZ_STR(TZ_DB_STATIC_TZ));
+#else
return getTimezoneByFilename(LOCAL_TIMEZONE);
+#endif
}
/**
* Get a timezone by name (eg. America/Los_Angeles).
* Results are cached.
*/
const Timezone& getTimezoneByName(const std::string& zone) {
+#ifdef USE_TZ_DB
+ {
+ std::lock_guard<std::mutex> timezone_lock(timezone_mutex);
+ std::map<std::string, std::shared_ptr<Timezone> >::iterator itr =
+ timezoneCache.find(zone);
+ if (itr != timezoneCache.end()) {
+ return *(itr->second).get();
+ }
+ timezoneCache[zone] = std::shared_ptr<Timezone>(new
TimezoneImpl(zone, TZ_DATABASE[zone]));
--- End diff --
Done
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