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[presto] Smaller granularity units; fallback support for HⓂ️s (#731)
* [presto] Smaller granularity units; fallback support for HⓂ️s
* break lines >90
* cast to DATETIME instead
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@ -404,13 +404,26 @@ class Database(Model, AuditMixinNullable):
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db_time_grains = {
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'presto': (
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Grain('Time Column', _('Time Column'), '{col}'),
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Grain('week', _('week'), "date_trunc('week', CAST({col} AS DATE))"),
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Grain('month', _('month'), "date_trunc('month', CAST({col} AS DATE))"),
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Grain('quarter', _('quarter'), "date_trunc('quarter', CAST({col} AS DATE))"),
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Grain("week_ending_saturday", _('week_ending_saturday'), "date_add('day', 5, "
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"date_trunc('week', date_add('day', 1, CAST({col} AS DATE))))"),
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Grain("week_start_sunday", _('week_start_sunday'), "date_add('day', -1, "
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"date_trunc('week', date_add('day', 1, CAST({col} AS DATE))))")
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Grain('second', _('second'),
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"date_trunc('second', CAST({col} AS TIMESTAMP))"),
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Grain('minute', _('minute'),
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"date_trunc('minute', CAST({col} AS TIMESTAMP))"),
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Grain('hour', _('hour'),
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"date_trunc('hour', CAST({col} AS TIMESTAMP))"),
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Grain('day', _('day'),
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"date_trunc('day', CAST({col} AS TIMESTAMP))"),
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Grain('week', _('week'),
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"date_trunc('week', CAST({col} AS TIMESTAMP))"),
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Grain('month', _('month'),
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"date_trunc('month', CAST({col} AS TIMESTAMP))"),
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Grain('quarter', _('quarter'),
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"date_trunc('quarter', CAST({col} AS TIMESTAMP))"),
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Grain("week_ending_saturday", _('week_ending_saturday'),
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"date_add('day', 5, date_trunc('week', date_add('day', 1, "
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"CAST({col} AS TIMESTAMP))))"),
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Grain("week_start_sunday", _('week_start_sunday'),
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"date_add('day', -1, date_trunc('week', "
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"date_add('day', 1, CAST({col} AS TIMESTAMP))))"),
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),
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'mysql': (
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Grain('Time Column', _('Time Column'), '{col}'),
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@ -430,8 +443,10 @@ class Database(Model, AuditMixinNullable):
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'sqlite': (
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Grain('Time Column', _('Time Column'), '{col}'),
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Grain('day', _('day'), 'DATE({col})'),
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Grain("week", _('week'), "DATE({col}, -strftime('%w', {col}) || ' days')"),
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Grain("month", _('month'), "DATE({col}, -strftime('%d', {col}) || ' days')"),
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Grain("week", _('week'),
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"DATE({col}, -strftime('%w', {col}) || ' days')"),
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Grain("month", _('month'),
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"DATE({col}, -strftime('%d', {col}) || ' days')"),
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),
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'postgresql': (
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Grain("Time Column", _('Time Column'), "{col}"),
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@ -944,11 +959,11 @@ class TableColumn(Model, AuditMixinNullable):
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def dttm_sql_literal(self, dttm):
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"""Convert datetime object to string
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If datebase_expression is empty, the internal dttm
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If database_expression is empty, the internal dttm
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will be parsed as the string with the pattern that
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user input (python_date_format)
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the user inputted (python_date_format)
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If database_expression is not empty, the internal dttm
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will be parsed as the sql sentence for datebase to convert
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will be parsed as the sql sentence for the database to convert
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"""
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tf = self.python_date_format or '%Y-%m-%d %H:%M:%S.%f'
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if self.database_expression:
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