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Docs about FirebirdSQL/firebird-documentation#173

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Adriano dos Santos Fernandes 2022-07-13 22:19:48 -03:00 committed by GitHub
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doc/sql.extensions/README.builtin_functions.txt
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@ -433,6 +433,8 @@ Notes:
3) WEEKDAY and YEARDAY cannot be used. It doesn't make sense.
4) YEAR, MONTH and DAY could not be used with time values.
5) All timestamp_part values could be used with timestamp values.
6) In Firebird 3.0.8 and 4.0.1 the return type for unit MILLISECOND was changed
from BIGINT to NUMERIC(18, 1).
Example:
select datediff(week from cast('yesterday' as timestamp) - 7 to current_timestamp)