Revert "SERVER-29208 Add the $dateFromString aggregation operator"

This reverts commit b8de37d364fcde0ed2c93cdf8f5ed0001663e372.

2 files changed, 0 insertions, 51 deletions

diff --git a/src/mongo/db/query/datetime/date_time_support.cpp b/src/mongo/db/query/datetime/date_time_support.cpp
index 88ba04d5549..1356356665d 100644
--- a/src/mongo/db/query/datetime/date_time_support.cpp
+++ b/src/mongo/db/query/datetime/date_time_support.cpp
@@ -122,52 +122,6 @@ TimeZone TimeZoneDatabase::utcZone() {
     return TimeZone{nullptr};
 }
 
-extern "C" {
-static timelib_tzinfo* timezonedatabase_gettzinfowrapper(char* tz_id,
-                                                         const _timelib_tzdb* db,
-                                                         int* error) {
-    uasserted(
-        40544,
-        str::stream()
-            << "passing a time zone identifier as part of the string is not allowed, found: \""
-            << tz_id
-            << "\"");
-
-    return nullptr;
-}
-
-}  // extern "C"
-
-Date_t TimeZoneDatabase::fromString(StringData dateString) const {
-    std::unique_ptr<timelib_time, TimeZone::TimelibTimeDeleter> t(
-        timelib_strtotime(const_cast<char*>(dateString.toString().c_str()),
-                          dateString.size(),
-                          nullptr,
-                          _timeZoneDatabase.get(),
-                          timezonedatabase_gettzinfowrapper));
-
-    // If the time portion is fully missing, initialize to 0. This allows for the '%Y-%m-%d' format
-    // to be passed too, which is what the BI connector may request
-    if (t->h == TIMELIB_UNSET && t->i == TIMELIB_UNSET && t->s == TIMELIB_UNSET) {
-        t->h = t->i = t->s = t->f = 0;
-    }
-
-    if (t->y == TIMELIB_UNSET || t->m == TIMELIB_UNSET || t->d == TIMELIB_UNSET ||
-        t->h == TIMELIB_UNSET || t->i == TIMELIB_UNSET || t->s == TIMELIB_UNSET) {
-        uasserted(40545,
-                  str::stream()
-                      << "an incomplete date/time string has been found, with elements missing: \""
-                      << dateString
-                      << "\"");
-    }
-
-    timelib_update_ts(t.get(), nullptr);
-    timelib_unixtime2local(t.get(), t->sse);
-
-    return Date_t::fromMillisSinceEpoch((static_cast<double>(t->sse) + static_cast<double>(t->f)) *
-                                        1000);
-}
-
 TimeZone TimeZoneDatabase::getTimeZone(StringData timeZoneId) const {
     auto tz = _timeZones.find(timeZoneId);
     if (tz != _timeZones.end()) {
diff --git a/src/mongo/db/query/datetime/date_time_support.h b/src/mongo/db/query/datetime/date_time_support.h
index 0482cb70827..6f1e43aafad 100644
--- a/src/mongo/db/query/datetime/date_time_support.h
+++ b/src/mongo/db/query/datetime/date_time_support.h
@@ -303,11 +303,6 @@ public:
                     std::unique_ptr<TimeZoneDatabase> timeZoneDatabase);
 
     /**
-     * Use the timezone database to create a Date_t from a string.
-     */
-    Date_t fromString(StringData dateString) const;
-
-    /**
      * Returns a TimeZone object representing the UTC time zone.
      */
     static TimeZone utcZone();