Class: DbHelper

Inherits:
Object
  • Object
show all
Defined in:
lib/db_helper.rb

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ DbHelper

Returns a new instance of DbHelper.



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# File 'lib/db_helper.rb', line 4

def initialize(config)
  @config = config
  connect_db
end

Instance Method Details

#connect_db(config_or_url = @config.database_url) ⇒ Object 



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# File 'lib/db_helper.rb', line 9

def connect_db(config_or_url=@config.database_url)
  ActiveRecord::Base.establish_connection(config_or_url)
end

#do_in_other_db(config_or_url) ⇒ Object 



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# File 'lib/db_helper.rb', line 13

def do_in_other_db(config_or_url)
  saved_config = ActiveRecord::Base.connection_db_config
  connect_db(config_or_url)
  result = yield
  connect_db(saved_config)
  result
end

#do_without_triggers ⇒ Object 



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# File 'lib/db_helper.rb', line 21

def do_without_triggers
  ActiveRecord::Base.connection.execute('set session_replication_role = replica;')
  result = yield
  ActiveRecord::Base.connection.execute('set session_replication_role = default;')
  result
end