Log Message:
Update ruby-sequel package to 3.30.0.

=== 3.30.0 (2011-12-01)

* Handle usage of on_duplicate_key_update in MySQL prepared statements \ 
(jeremyevans) (#404)

* Make after_commit and after_rollback respect :server option (jeremyevans) (#401)

* Respect :connect_timeout option in the postgres adapter when using pg \ 
(glebpom, jeremyevans) (#402)

* Make Dataset#destroy for model datasets respect dataset shard when using a \ 
transaction (jeremyevans)

* Make :server option to Model#save set the shard to use (jeremyevans)

* Move Model#set_server from the sharding plugin to the base plugin (jeremyevans)

* Add :graph_alias_base association option for setting base name to use for \ 
table aliases when eager graphing (jeremyevans)

* Make ILIKE work correctly on Microsoft SQL Server if database/column collation \ 
is case sensitive (jfirebaugh) (#398)

* When starting a new dataset graph, assume existing selection is the columns to \ 
select from the current table (jeremyevans)

* Allow specifying nanoseconds and offsets when converting a hash or array to a \ 
timestamp (jeremyevans, jfirebaugh) (#395)

* Improve performance when converting Java types to ruby types in the jdbc \ 
adapter (jeremyevans, jfirebaugh) (#395)

* Fix tinytds adapter if DB.identifier_output_method = nil (jeremyevans)

* Explicitly order by the row number column when emulating offsets (jfirebaugh) \ 
(#393)

* Fix Dataset#graph and #eager_graph modifying the receiver if the receiver is \ 
already graphed (jeremyevans) (#392)

* Change dataset literalization to an append-only-all-the-way-down design \ 
(jeremyevans)