- [postgres] unwrap connection instead of casting when adding custom types (#515)
- [postgres] allow returning string values for (JDBC) arrays with (#510)
- allow for symbol keys with custom JDBC properties in
config[:properties]
- replacing use of AR::ConnectionFailed with AR::ConnectionNotEstablished (#513)
- [firebird] fix for missing args when visit_Arel_Nodes_SelectCore is called
- [postgres] better column compatibility with 3.x (avoid array/oid_type)
- [postgres] backport array-parser due
Column#extract_default (#504)
- [postgres] backported "Correctly parse bigint defaults in PostgreSQL"
- [postgres] 4.0 compat - detect default_function just like on MRI
- [postgres] backport support for negative money values (in parenthesis)
- [postgres] support :login_timeout as a standalone config option
- [firebird] align
prefetch_primary_key? with Oracle (only for simple PKs)
- [oracle] do not pre-fetch the primary key if multiple primary keys exist (#498)
Code Contributors: @andfx, @gstark, @rzane, @chapmajs
