bump switchman

Change-Id: I4560d29d1e43a4aa8acaf734be4b8fd1862aebf2
Reviewed-on: https://gerrit.instructure.com/162363
Reviewed-by: Keith T. Garner <kgarner@instructure.com>
Reviewed-by: Rob Orton <rob@instructure.com>
Product-Review: Rob Orton <rob@instructure.com>
QA-Review: Rob Orton <rob@instructure.com>
Tested-by: Jenkins

Gemfile.d/app.rb

@@ -38,7 +38,7 @@ gem 'active_model_serializers',   '0.9.0alpha1',
 gem 'authlogic', '4.0.1'
   gem 'scrypt', '3.0.5'
 gem 'active_model-better_errors', '1.6.7', require: 'active_model/better_errors'
-gem 'switchman', '1.12.3'
+gem 'switchman', '1.12.6'
   gem 'open4', '1.3.4', require: false
 gem 'folio-pagination', '0.0.12', require: 'folio/rails'
   # for folio, see the folio README

db/migrate/20180828185252_add_default_shard_index.switchman.rb

@@ -0,0 +1,16 @@
+# This migration comes from switchman (originally 20180828183945)
+class AddDefaultShardIndex < ActiveRecord::Migration[4.2]
+  tag :postdeploy
+
+  def change
+    Switchman::Shard.where(default: nil).update_all(default: false)
+    change_column_default :switchman_shards, :default, false
+    change_column_null :switchman_shards, :default, false
+    options = if connection.adapter_name == 'PostgreSQL'
+                { unique: true, where: "\"default\"" }
+              else
+                {}
+              end
+    add_index :switchman_shards, :default, options
+  end
+end

db/migrate/20180828192739_add_timestamps_to_shards.switchman.rb

@@ -0,0 +1,18 @@
+# This migration comes from switchman (originally 20180828192111)
+class AddTimestampsToShards < ActiveRecord::Migration[4.2]
+  tag :predeploy
+
+  def change
+    add_timestamps :switchman_shards, null: true
+    now = Time.now.utc
+    Switchman::Shard.update_all(updated_at: now, created_at: now)
+    change_column_null :switchman_shards, :updated_at, false
+    change_column_null :switchman_shards, :created_at, false
+
+    if Switchman::Shard.current.default?
+      Switchman::Shard.connection.schema_cache.clear!
+      Switchman::Shard.reset_column_information
+      Switchman::Shard.columns
+    end
+  end
+end