Convert all database array types to Ruby arrays in the jdbc adapter

This is done if convert_types is true for the Database, which is
the default (it can be set to false for better performance).

Remove the related code in the jdbc/postgresql adapter as it is
no longer needed.

CHANGELOG

@@ -1,5 +1,7 @@
 === master
 
+* Convert all database array types to Ruby arrays in the jdbc adapter (jeremyevans)
+
 * Add static_cache_cache plugin for caching rows for static_cache models to a file to avoid database queries during model initialization (jeremyevans)
 
 * Add :cache_file plugin option to pg_auto_constraint_validations plugin, for caching metadata to a file for faster initialization (jeremyevans)

lib/sequel/adapters/jdbc.rb

@@ -102,12 +102,17 @@ def x.call(r, i)
  v.getSubString(1, v.length)
  end
  end
+ x = convertors[:RubyArray] = Object.new
+ def x.call(r, i)
+ if v = r.getArray(i)
+ v.array.to_ary
+ end
+ end 
 
  MAP = Hash.new(convertors[:Object])
  types = Java::JavaSQL::Types
 
  {
- :ARRAY => :Array,
  :BOOLEAN => :Boolean,
  :CHAR => :String,
  :DOUBLE => :Double,
@@ -126,6 +131,7 @@ def x.call(r, i)
  BASIC_MAP = MAP.dup
 
  {
+ :ARRAY => :Array,
  :BINARY => :Blob,
  :BLOB => :Blob,
  :CLOB => :Clob,

lib/sequel/adapters/jdbc/postgresql.rb

@@ -195,17 +195,7 @@ def literal_sqltime(v)
 
  STRING_TYPE = Java::JavaSQL::Types::VARCHAR
  ARRAY_TYPE = Java::JavaSQL::Types::ARRAY
- PG_SPECIFIC_TYPES = [ARRAY_TYPE, Java::JavaSQL::Types::OTHER, Java::JavaSQL::Types::STRUCT, Java::JavaSQL::Types::TIME_WITH_TIMEZONE, Java::JavaSQL::Types::TIME].freeze
-
- # Return PostgreSQL array types as ruby Arrays instead of
- # JDBC PostgreSQL driver-specific array type. Only used if the
- # database does not have a conversion proc for the type.
- ARRAY_METHOD = Object.new
- def ARRAY_METHOD.call(r, i)
- if v = r.getArray(i)
- v.array.to_ary
- end
- end 
+ PG_SPECIFIC_TYPES = [Java::JavaSQL::Types::ARRAY, Java::JavaSQL::Types::OTHER, Java::JavaSQL::Types::STRUCT, Java::JavaSQL::Types::TIME_WITH_TIMEZONE, Java::JavaSQL::Types::TIME].freeze
 
  # Return PostgreSQL hstore types as ruby Hashes instead of
  # Java HashMaps. Only used if the database does not have a
@@ -223,8 +213,6 @@ def type_convertor(map, meta, type, i)
  oid = meta.getField(i).getOID
  if pr = db.oid_convertor_proc(oid)
  pr
- elsif type == ARRAY_TYPE
- ARRAY_METHOD
  elsif oid == 2950 # UUID
  map[STRING_TYPE]
  elsif meta.getPGType(i) == 'hstore'