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add oracle time_grains (#1544)

This commit is contained in:
Glen Schrader 2016-11-04 10:52:06 -06:00 committed by Maxime Beauchemin
parent 1d7d5469a9
commit 757e7de60c
1 changed files with 18 additions and 0 deletions
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18
caravel/db_engine_specs.py
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@ -285,6 +285,24 @@ class RedshiftEngineSpec(PostgresEngineSpec):
class OracleEngineSpec(PostgresEngineSpec):
engine = 'oracle'
time_grains = (
Grain('Time Column', _('Time Column'), '{col}'),
Grain('minute', _('minute'),
"TRUNC(TO_DATE({col}), 'MI')"),
Grain('hour', _('hour'),
"TRUNC(TO_DATE({col}), 'HH')"),
Grain('day', _('day'),
"TRUNC(TO_DATE({col}), 'DDD')"),
Grain('week', _('week'),
"TRUNC(TO_DATE({col}), 'WW')"),
Grain('month', _('month'),
"TRUNC(TO_DATE({col}), 'MONTH')"),
Grain('quarter', _('quarter'),
"TRUNC(TO_DATE({col}), 'Q')"),
Grain('year', _('year'),
"TRUNC(TO_DATE({col}), 'YEAR')"),
)
@classmethod
def convert_dttm(cls, target_type, dttm):
return (