From dd58c3bf23ded02a2d8fbf7a20f577486b8cba9f Mon Sep 17 00:00:00 2001
From: Ryuta Kamizono <kamipo@gmail.com>
Date: Wed, 20 Apr 2016 01:09:23 +0900
Subject: Define `arel_visitor` method on all adapters

`Arel::Visitors::VISITORS` was removed at https://github.com/rails/arel/pull/412.
---
 .../lib/active_record/connection_adapters/abstract_adapter.rb         | 2 +-
 .../lib/active_record/connection_adapters/abstract_mysql_adapter.rb   | 4 ++++
 .../lib/active_record/connection_adapters/postgresql_adapter.rb       | 4 ++++
 activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb | 4 ++++
 4 files changed, 13 insertions(+), 1 deletion(-)

(limited to 'activerecord/lib/active_record')

diff --git a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
index 7276b8de44..20cc205b0d 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_adapter.rb
@@ -149,7 +149,7 @@ module ActiveRecord
       end
 
       def arel_visitor # :nodoc:
-        (Arel::Visitors::VISITORS[@config[:adapter]] || Arel::Visitors::ToSql).new(self)
+        Arel::Visitors::ToSql.new(self)
       end
 
       def valid_type?(type)
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 5125a0f06e..64070f0e6c 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -24,6 +24,10 @@ module ActiveRecord
         MySQL::SchemaCreation.new(self)
       end
 
+      def arel_visitor # :nodoc:
+        Arel::Visitors::MySQL.new(self)
+      end
+
       ##
       # :singleton-method:
       # By default, the Mysql2Adapter will consider all columns of type <tt>tinyint(1)</tt>
diff --git a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
index a052b33627..470e03b0ed 100644
--- a/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb
@@ -125,6 +125,10 @@ module ActiveRecord
         PostgreSQL::SchemaCreation.new self
       end
 
+      def arel_visitor # :nodoc:
+        Arel::Visitors::PostgreSQL.new(self)
+      end
+
       # Returns true, since this connection adapter supports prepared statement
       # caching.
       def supports_statement_cache?
diff --git a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
index 4e5d9e65ec..985cc06aa0 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlite3_adapter.rb
@@ -80,6 +80,10 @@ module ActiveRecord
         SQLite3::SchemaCreation.new self
       end
 
+      def arel_visitor # :nodoc:
+        Arel::Visitors::SQLite.new(self)
+      end
+
       def initialize(connection, logger, connection_options, config)
         super(connection, logger, config)
 
-- 
cgit v1.2.3