Log Message:
databases/ruby-sequel: update to 5.3.0

=== 5.3.0 (2017-12-01)

* Add logger to Database instance before making first connection in bin/sequel \ 
(jeremyevans)

* Drop support for PostgreSQL <8.1 in Database#indexes (jeremyevans)

* Add synchronize_sql extension, for checking out a connection around SQL \ 
generation (KJTsanaktsidis, jeremyevans) (#1451)

* Deprecate Dataset#where calls with no existing filter, no argument, and where \ 
the virtual row block returns nil (jeremyevans) (#1454)

* Add DatasetModule#reverse for simpler use of descending orders (jeremyevans)

* Support WITH clauses in subqueries on SQLite, but not in \ 
UNION/INTERSECT/EXCEPT (jeremyevans)

* Hoist WITH clauses to INSERT statement level if INSERT subquery uses a CTE on \ 
MSSQL (jeremyevans)

* Respect indislive and ignore indcheckxmin index attributes when using \ 
Database#indexes on PostgreSQL (jeremyevans)

* Explicitly disallow use of server-side prepared statements when using \ 
Dataset#call in the jdbc/postgresql adapter (jeremyevans) (#1448)

* Support common table expressions, window functions, dropping CHECK \ 
constraints, and recognizing CURRENT_DATE defaults on MariaDB 10.2+ \ 
(jeremyevans)

* Make Database#reset_primary_key_sequence work on PostgreSQL 10+ (jeremyevans)

* Support :connect_sqls Database option for easily issuing sql commands on all \ 
new connections (jeremyevans)

* Support :extensions Database option for loading extensions when initializing, \ 
useful in connection strings (jeremyevans)

* Avoid warning if trying to rollback after a commit or rollback raises an \ 
exception in the postgres adapter (jeremyevans)

* Support Date::Infinity values in the pg_extended_date_support extension \ 
(jeremyevans)