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= New Features
* A fiber_concurrency extension has been added, for using
Fiber.current instead of Thread.current when checking out a
connection. This allows separate fibers of the same thread
to use separate connections. In addition to allowing direct use
of fibers, this also allows concurrent use of multiple enumerators
that use database connections in the same thread.
When using this extension, you must be careful and ensure that you
are not using more concurrent fibers than your connection pool size.
Otherwise, all fibers will block while one fiber waits until a
connection is available. It is possible this issue will be
addressed when Ruby implements a fiber scheduler (currently
being discussed for inclusion in Ruby 3).
* A run_transaction_hooks Database extension has been added,
allowing for running the transaction hooks before commit/rollback,
which can be helpful for testing the hooks when using transactional
testing.
= Other Improvements
* Database#create_table? now works correctly with the :partition_of
option on PostgreSQL.
* The timestamp(N) with time zone type is now recognized by the
schema parser.
* Singleton methods of the Sequel module have now been moved into a
Sequel::SequelMethods module. This allows you to extend Sequel
with a module that overrides the methods and call super to get
the default behavior.
* The pg_inet extension no longer defines inet/cidr conversion procs
if sequel_pg 1.13.0+ is in use. This is because sequel_pg 1.13.0+
will respect the conversion procs and defining them makes things
slower. sequel_pg 1.13.0+ handles the same conversion by default
without needing a conversion proc.
* Method visibility issues in the model, plugin, extension, and adapter
code have been fixed. Most cases fixed were private methods being
accidentally made public when they were overridden.
During this change, Model#_insert_values was changed from public to
private, since it was originally intended to be private.
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