use FixedOffset

plugins/snowflake/dbt/adapters/snowflake/connections.py

@@ -15,29 +15,6 @@
 from dbt.logger import GLOBAL_LOGGER as logger
 
 
-# Provide a sane Timezone that can be pickled
-# The datetime objects returned by snowflake-connector-python
-# are not currently pickleable, so they can't be shared across
-# process boundaries (ie. in the dbt rpc server)
-# See: https:/snowflakedb/snowflake-connector-python/pull/188
-class OffsetTimezone(datetime.tzinfo):
- def __init__(self, name, tzoffset_seconds):
- self.name = name
- self.tzoffset = datetime.timedelta(seconds=tzoffset_seconds)
-
- def utcoffset(self, dt, is_dst=False):
- return self.tzoffset
-
- def tzname(self, dt):
- return self.name
-
- def dst(self, dt):
- return datetime.timedelta(0)
-
- def __repr__(self):
- return self.name
-
-
 SNOWFLAKE_CREDENTIALS_CONTRACT = {
  'type': 'object',
  'additionalProperties': False,
@@ -233,9 +210,7 @@ def process_results(cls, column_names, rows):
  if isinstance(col, datetime.datetime) and col.tzinfo:
  offset = col.utcoffset()
  offset_seconds = offset.total_seconds()
- new_timezone = OffsetTimezone(
- dbt.compat.to_native_string(col.tzinfo.tzname(col)),
- offset_seconds)
+ new_timezone = pytz.FixedOffset(offset_seconds // 60)
  col = col.astimezone(tz=new_timezone)
  fixed_row.append(col)