17 lines
690 B
SQL
17 lines
690 B
SQL
-- SQL functions for handling dates
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create function year_of_timestamp(arg timestamp with time zone)
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returns smallint
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language sql immutable strict parallel safe
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as $func$ select cast(date_part('year', arg at time zone 'UTC') as smallint); $func$;
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create function month_of_timestamp(arg timestamp with time zone)
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returns smallint
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language sql immutable strict parallel safe
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as $func$ select cast(date_part('month', arg at time zone 'UTC') as smallint); $func$;
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create function day_of_timestamp(arg timestamp with time zone)
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returns smallint
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language sql immutable strict parallel safe
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as $func$ select cast(date_part('day', arg at time zone 'UTC') as smallint); $func$;
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