Log Message:
Update ruby-sequel to 4.45.0.

=== 4.45.0 (2017-04-01)

* Correctly handle datasets with offsets but no limits used in compound datasets \ 
on MSSQL <2012 (jeremyevans)
* Correctly handle false values in the split_values plugin (bananarne) (#1333)
* Deprecate Dataset#dup/clone and Model.dup/clone (jeremyevans)
* Deprecate the schema and scissors plugins (jeremyevans)
* Deprecate \ 
Model.{lazy_attributes,nested_attributes,composition,serialization}_module \ 
accessors (jeremyevans)
* Deprecate Database#database_name on MySQL (jeremyevans)
* Deprecate Database#use on MySQL (jeremyevans)
* Make pg_hstore extension no longer update PG_NAMED_TYPES (jeremyevans)
* Deprecate Sequel::PG_NAMED_TYPES (jeremyevans)
* Add columns_updated plugin for making updated columns hash available in \ 
after_update and after_save hooks (jeremyevans)
* Deprecate accessing @columns_updated directly in model after_update and \ 
after_save hooks (jeremyevans)
* Deprecate Database#{add,remove}_servers when not using a sharded connection \ 
pool (jeremyevans)
* Deprecate Database#each_server (jeremyevans)
* Make Model#_valid? private method accept only an options hash (jeremyevans)
* Deprecate returning false from model before hooks to cancel the action, use \ 
Model#cancel_action (jeremyevans)
* Handle Model#cancel_action correctly in before hooks when Model#valid? is \ 
called (jeremyevans)
* Deprecate Sequel::BeforeHookFailed (jeremyevans)
* Deprecate passing multiple arguments as filter arguments when not using a \ 
conditions specifier (jeremyevans)
* Deprecate passing Procs as filter arguments, require they be passed as blocks \ 
(jeremyevans)
* Deprecate Sequel::Error::* exception class aliases (jeremyevans)
* Deprecate prepared_statements_associations and prepared_statements_with_pk \ 
plugins (jeremyevans)
* Deprecate Sequel::Unbinder, Sequel::UnbindDuplicate, and Dataset#unbind \ 
(jeremyevans)
* Deprecating calling Sequel::Qualifier with two arguments (jeremyevans)
* Add validation_contexts plugin for supporting custom contexts when validating \ 
(jeremyevans)
* Deprecate Sequel::Database.single_threaded singleton accessor (jeremyevans)
* Deprecate treating unrecognized prepared statement type as :select (jeremyevans)
* Deprecate Sequel.identifier_{in,out}put_method= and .quote_identifiers= \ 
singleton setters (jeremyevans)
* Deprecate Sequel::Database.identifier_{in,out}put_method and \ 
.quote_identifiers singleton accessors (jeremyevans)
* Deprecate loading the identifier_mangling by default, require it be loaded \ 
explicitly if needed (jeremyevans)
* Make Database#dump_{table_schema,schema_migration} in schema_dumper extension \ 
support :schema option (dadario) (#1328)
* Make Dataset#delete respect an existing limit on Microsoft SQL Server (jeremyevans)
* Add Dataset#skip_limit_check to mark a dataset as skipping the limit/offset \ 
check for updates and deletes (jeremyevans)
* Deprecate calling Dataset#{update/delete/truncate} on datasets with limits or \ 
offsets unless the database supports it (jeremyevans)
* Add deprecation message for using association_pks setter method with \ 
:delay_pks=>true association option (jeremyevans)
* Add deprecation message for using association_pks setter method without \ 
:delay_pks association option (jeremyevans)
* Deprecate having duplicate column names in subclass tables when using the \ 
class_table_inheritance plugin (jeremyevans)
* Deprecate do (DataObjects), swift, and jdbc/as400 adapters (jeremyevans)
* Deprecate support for Cubrid, Firebird, Informix, and Progress databases \ 
(jeremyevans)
* The :proxy_argument option passed to association_proxies plugin block is now \ 
an empty hash if no arguments are passed to the association method (jeremyevans)
* Deprecate passing non-hash arguments to association methods (jeremyevans)
* Deprecate passing multiple arguments to association methods (jeremyevans)
* Deprecate model transaction hook methods (jeremyevans)
* Drop support for pg <0.8.0 in the postgres adapter (jeremyevans)
* Deprecate passing a block to Database#from (jeremyevans)
* Deprecate Sequel::Model::ANONYMOUS_MODEL_CLASSES{,_MUTEX} (jeremyevans)
* Deprecate Sequel.cache_anonymous_models and Sequel.cache_anonymous_models= \ 
(jeremyevans)
* Automatically use from_self when using a dataset as part of a compound if it \ 
has an offset but no limit (jeremyevans)
* Drop order on existing datasets when using Dataset#union/intersect/except on \ 
Microsoft SQL Server unless a limit or offset is used (jeremyevans)
* Deprecate dataset mutation (jeremyevans)
* Handle dumping of autoincrementing 64-bit integer primary key columns \ 
correctly when using :same_db option in the schema dumper (jeremyevans) (#1324)
* Add Model.dataset_module_class accessor, allowing plugins to support custom \ 
behavior in dataset_module blocks (jeremyevans)
* Make ORDER BY come after UNION/INTERSECT/EXCEPT on Microsoft SQL Server and \ 
SQLAnywhere (jeremyevans)
* Make Database#indexes on MySQL handle qualified identifiers (jeremyevans) (#1316)
* Add oracle support to the odbc adapter (samuel02) (#1315)