there's still a double bind when "raw" crud methods used (re-closing #322)
[postgres] no need to clear_query_cache after insert on AR-2.3's #insert_sql
rm target/* on `rake clean`
fix derby remove_column not supporting multiple column_names (since 3.0)
fix DB2 remove_column not supporting multiple column_names (since 3.0)
fix oracle remove_column not supporting multiple column_names (since 3.0)
[4.0] rename_table_indexes renamed_column_indexes
for postgres/mysql and sqlite3 based on Rails master :
https://github.com/rails/rails/commit/39eef1a565ef02e4dabc0811ef1bf4547ff9a60e
update jdbc-mysql to driver version 5.1.24
jdbc-derby 10.9.1.0
backport History for 1.2.8 and fill in README on 1.2.6/1.2.7
[mysql] use varbinary type when appropriate in migrations (tests)

backported from :
https://github.com/rails/rails/commit/5d30e443908558713cff16cdad4b09e203c8fae8
[mysql] limit of enum columns tests

backported from:
https://github.com/rails/rails/commit/f49800071f8cd26eed8bfb5463d015fa542437e1
[mysql] :strict config option, for STRICT_ALL_TABLES on AR-4.0
[mysql] session variables support (from configuration)

backported from :
https://github.com/rails/rails/commit/97d06e8c4bd44154abda41a3f7e4bc49929a919f
[postgres] session variables support (from configuration)
+ make the adapter's API more compatible with the native Rails adapter

backported from :
https://github.com/rails/rails/commit/97d06e8c4bd44154abda41a3f7e4bc49929a919f
add as400 primary key support and re-add explain method
Merge pull request #345 from INCpr/master

Add AS400 support for primary_key
avoid sqlite3 time quoting failures (due nil zone) while testing with AR 2.3
allow test_jdbc to fail on travis - not sure why we can't connect to MySQL
localhost using the plain JDBC method while using mysql_connection works
although they seem just the same (and connections works locally)
retry makes no sense during rollback (should use the very same connection)