Added SchemaDumper support for tables with jsonb columns.

activerecord/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Added SchemaDumper support for tables with jsonb columns.
+
+    *Ted O'Meara*
+
 *   Deprecate `sanitize_sql_hash_for_conditions` without replacement. Using a
     `Relation` for performing queries and updates is the prefered API.
 

activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

@@ -104,6 +104,7 @@ module ActiveRecord
         macaddr:     { name: "macaddr" },
         uuid:        { name: "uuid" },
         json:        { name: "json" },
+        jsonb:       { name: "jsonb" },
         ltree:       { name: "ltree" },
         citext:      { name: "citext" },
         point:       { name: "point" },

activerecord/test/cases/adapters/postgresql/json_test.rb

@@ -3,8 +3,11 @@
 require "cases/helper"
 require 'active_record/base'
 require 'active_record/connection_adapters/postgresql_adapter'
+require 'support/schema_dumping_helper'
 
 module PostgresqlJSONSharedTestCases
+  include SchemaDumpingHelper
+
   class JsonDataType < ActiveRecord::Base
     self.table_name = 'json_data_type'
 
@@ -64,6 +67,11 @@ module PostgresqlJSONSharedTestCases
     JsonDataType.reset_column_information
   end
 
+  def test_schema_dumping
+    output = dump_table_schema("json_data_type")
+    assert_match(/t.#{column_type.to_s}\s+"payload",\s+default: {}/, output)
+  end
+
   def test_cast_value_on_write
     x = JsonDataType.new payload: {"string" => "foo", :symbol => :bar}
     assert_equal({"string" => "foo", :symbol => :bar}, x.payload_before_type_cast)

activerecord/test/cases/schema_dumper_test.rb

@@ -271,13 +271,6 @@ class SchemaDumperTest < ActiveRecord::TestCase
       end
     end
 
-    def test_schema_dump_includes_json_shorthand_definition
-      output = standard_dump
-      if %r{create_table "postgresql_json_data_type"} =~ output
-        assert_match %r|t.json "json_data", default: {}|, output
-      end
-    end
-
     def test_schema_dump_includes_inet_shorthand_definition
       output = standard_dump
       if %r{create_table "postgresql_network_addresses"} =~ output

activerecord/test/schema/postgresql_specific_schema.rb

@@ -1,7 +1,9 @@
 ActiveRecord::Schema.define do
 
-  %w(postgresql_tsvectors postgresql_hstores postgresql_arrays postgresql_moneys postgresql_numbers postgresql_times postgresql_network_addresses postgresql_uuids postgresql_ltrees
-      postgresql_oids postgresql_xml_data_type defaults geometrics postgresql_timestamp_with_zones postgresql_partitioned_table postgresql_partitioned_table_parent postgresql_json_data_type postgresql_citext).each do |table_name|
+  %w(postgresql_tsvectors postgresql_hstores postgresql_arrays postgresql_moneys postgresql_numbers postgresql_times
+      postgresql_network_addresses postgresql_uuids postgresql_ltrees postgresql_oids postgresql_xml_data_type defaults
+      geometrics postgresql_timestamp_with_zones postgresql_partitioned_table postgresql_partitioned_table_parent
+      postgresql_citext).each do |table_name|
     execute "DROP TABLE IF EXISTS #{quote_table_name table_name}"
   end
 
@@ -108,15 +110,6 @@ _SQL
 _SQL
   end
 
-  if 't' == select_value("select 'json'=ANY(select typname from pg_type)")
-  execute <<_SQL
-  CREATE TABLE postgresql_json_data_type (
-    id SERIAL PRIMARY KEY,
-    json_data json default '{}'::json
-  );
-_SQL
-  end
-
   execute <<_SQL
   CREATE TABLE postgresql_numbers (
     id SERIAL PRIMARY KEY,