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= Deprecated Features
* Setting an invalid dataset for a model is now deprecated.
Historically, Sequel has swallowed exceptions for this to keep
backwards compatibility, but it generally just results in code
breaking later. To allow invalid datasets to be used:
Sequel::Model.require_valid_table = false
* The association_autoreloading and many_to_one_pk_lookup plugins
are now deprecated. They were moved from plugins to standard
model behavior in Sequel 4.0, and have been no-ops since.
* The pg_typecast_on_load plugin is now deprecated. It is only useful
on the already deprecated do and swift adapters.
= New Features
* Database#with_server in the server_block extension now accepts an
optional second argument for the read only server to use. This
allows for overriding the default server while providing a separate
default for read only queries:
DB.with_server(:server1, :server1ro) do
DB[:a].all # Uses server1ro
DB[:b].insert(1) # Uses server1
end
* Model.default_association_type_options has been added, allowing the
ability to set default options per association type. This can be
used to make some association types read_only by default:
opts = Sequel::Model.default_association_type_options
opts[:one_to_many] = opts[:many_to_many] = {:read_only=>true}
* Database#views on PostgreSQL now accepts a :materialized option to
return materialized views instead of regular views.
= Other Improvements
* Setting Sequel::Model.require_valid_table = true no longer raises
an exception when using a valid dataset that selects from a subquery
or table returning function or uses a join.
* The defaults_setter plugin now inherits any custom default
values when subclassing.
* The schema_dumper extension now handles Oracle 11g XE behavior of
appending not null to the database type.
= Backwards Compatibility
* External callers of Database#check_non_connection_error (private
method) should update their code to call it with a true or false
argument specifying whether to raise an error for exceptions that
are not connection errors.
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