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= New Features
* A pg_extended_date_support extension has been added. This
extension adds support for infinite and BC dates/timestamps on
PostgreSQL.
The postgres adapter already had a convert_infinite_timestamps
setting, but it wasn't supported in the jdbc/postgresql adapter
and it didn't handle BC dates/timestamps. Setting a non-default
convert_infinite_timestamps setting in the postgres adapter will
now automatically load the extension for backwards compatibility.
The pg_extended_date_support extension by default just fixes the
handling of BC dates/timestamps. To get it to handle infinite
timestamps, you need to choose the appropriate setting for your
application:
DB.extension :pg_extended_date_support
DB.convert_infinite_timestamps = :string # or :float or :nil
This extension also enables the handling of timezone offsets
with seconds, which is not natively supported by ruby's Time
class in ruby <2.5.
= Improvements
* The jdbc/mysql adapter now handles smallint unsigned and
integer unsigned column types where the value for the column
is outside of the range of a Java short or integer.
* Sequel::Model.inherited no longer modifies an existing @dataset
instance variable if one has already been set. This fixes a
regression that was introduced in Sequel 5.0.0.
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