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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. 3) WEEKDAY and YEARDAY cannot be used. It doesn't make sense.
4) YEAR, MONTH and DAY could not be used with time values. 4) YEAR, MONTH and DAY could not be used with time values.
5) All timestamp_part values could be used with timestamp 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: Example:
select datediff(week from cast('yesterday' as timestamp) - 7 to current_timestamp) select datediff(week from cast('yesterday' as timestamp) - 7 to current_timestamp)