Module: DbCharmer::ActiveRecord::MultiDbProxy::MasterSlaveClassMethods

Defined in:
lib/db_charmer/active_record/multi_db_proxy.rb

Instance Method Summary collapse

Instance Method Details

#first_level_on_slave ⇒ Object 



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# File 'lib/db_charmer/active_record/multi_db_proxy.rb', line 75

def first_level_on_slave
  first_level = db_charmer_top_level_connection? && on_master.connection.open_transactions.zero?
  if first_level && db_charmer_force_slave_reads? && db_charmer_slaves.any?
    on_slave { yield }
  else
    yield
  end
end

#on_master(proxy_target = nil, &block) ⇒ Object 



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# File 'lib/db_charmer/active_record/multi_db_proxy.rb', line 71

def on_master(proxy_target = nil, &block)
  on_db(db_charmer_default_connection, proxy_target, &block)
end

#on_slave(con = nil, proxy_target = nil, &block) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/db_charmer/active_record/multi_db_proxy.rb', line 65

def on_slave(con = nil, proxy_target = nil, &block)
  con ||= db_charmer_random_slave
  raise ArgumentError, "No slaves found in the class and no slave connection given" unless con
  on_db(con, proxy_target, &block)
end