zhaoyongjie closed pull request #4965: Update Apache Kylin dbengine with
supported week/quarter grains
URL: https://github.com/apache/incubator-superset/pull/4965
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diff --git a/superset/db_engine_specs.py b/superset/db_engine_specs.py
index a718a0d62c..0adf728a25 100644
--- a/superset/db_engine_specs.py
+++ b/superset/db_engine_specs.py
@@ -1321,12 +1321,32 @@ class KylinEngineSpec(BaseEngineSpec):
time_grains = (
Grain('Time Column', _('Time Column'), '{col}', None),
- Grain('second', _('second'), 'SECOND({col})', 'PT1S'),
- Grain('minute', _('minute'), 'MINUTE({col})', 'PT1M'),
- Grain('hour', _('hour'), 'HOUR({col})', 'PT1H'),
- Grain('month', _('month'), 'MONTH({col})', 'P1M'),
- Grain('quarter', _('quarter'), 'QUARTER({col})', 'P0.25Y'),
- Grain('year', _('year'), 'YEAR({col})', 'P1Y'),
+ Grain('second', _('second'),
+ 'CAST(FLOOR(CAST({col} AS TIMESTAMP) TO SECOND) AS TIMESTAMP)',
+ 'PT1S'),
+ Grain('minute', _('minute'),
+ 'CAST(FLOOR(CAST({col} AS TIMESTAMP) TO MINUTE) AS TIMESTAMP)',
+ 'PT1M'),
+ Grain('hour', _('hour'),
+ 'CAST(FLOOR(CAST({col} AS TIMESTAMP) TO HOUR) AS TIMESTAMP)',
+ 'PT1H'),
+ Grain('day', _('day'),
+ 'CAST(FLOOR(CAST({col} AS TIMESTAMP) TO DAY) AS DATE)',
+ 'P1D'),
+ Grain('week', _('week'),
+ 'CAST(TIMESTAMPADD(WEEK, WEEK(CAST({col} AS DATE)) - 1, \
+ FLOOR(CAST({col} AS TIMESTAMP) TO YEAR)) AS DATE)',
+ 'P1W'),
+ Grain('month', _('month'),
+ 'CAST(FLOOR(CAST({col} AS TIMESTAMP) TO MONTH) AS DATE)',
+ 'P1M'),
+ Grain('quarter', _('quarter'),
+ 'CAST(TIMESTAMPADD(QUARTER, QUARTER(CAST({col} AS DATE)) - 1, \
+ FLOOR(CAST({col} AS TIMESTAMP) TO YEAR)) AS DATE)',
+ 'P0.25Y'),
+ Grain('year', _('year'),
+ 'CAST(FLOOR(CAST({col} AS TIMESTAMP) TO YEAR) AS DATE)',
+ 'P1Y'),
)
@classmethod
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