class Protobuf::ActiveRecord::Middleware::QueryCache

Constants

CURRENT_CONNECTION

Public Class Methods

new(app) click to toggle source
# File lib/protobuf/active_record/middleware/query_cache.rb, line 9
def initialize(app)
  @app = app
end

Public Instance Methods

call(env) click to toggle source
# File lib/protobuf/active_record/middleware/query_cache.rb, line 13
def call(env)
  connection = ::Thread.current[CURRENT_CONNECTION] = ::ActiveRecord::Base.connection
  enabled = connection.query_cache_enabled
  connection.enable_query_cache!

  @app.call(env)
ensure
  restore_query_cache_settings(enabled)
end

Private Instance Methods

restore_query_cache_settings(enabled) click to toggle source
# File lib/protobuf/active_record/middleware/query_cache.rb, line 25
def restore_query_cache_settings(enabled)
  ::Thread.current[CURRENT_CONNECTION].clear_query_cache
  ::Thread.current[CURRENT_CONNECTION].disable_query_cache! unless enabled
  ::Thread.current[CURRENT_CONNECTION] = nil
end