Sha256: 1803a41ce05f7adf9b8500e6c070b7d9edeed21e9f654ccbede23a658e54f23d
Contents?: true
Size: 1.55 KB
Versions: 4
Compression:
Stored size: 1.55 KB
Contents
require 'keymap/errors'
module Keymap
module ConnectionAdapters # :nodoc:
module TransactionManagement
# Checks whether there is currently no transaction active. This is done
# by querying the database driver, and does not use the transaction
# house-keeping information recorded by #increment_open_transactions and
# friends.
#
# Returns true if there is no transaction active, false if there is a
# transaction active, and nil if this information is unknown.
#
# Not all adapters supports transaction state introspection.
def outside_transaction?
nil
end
# Runs the given block in a database transaction, and returns the result
# of the block.
def transaction(options = {})
transaction_open = false
@_current_transaction_records ||= []
begin
if block_given?
begin_db_transaction
transaction_open = true
@_current_transaction_records.push([])
yield
end
rescue Exception => database_transaction_rollback
if transaction_open && !outside_transaction?
transaction_open = false
rollback_db_transaction
end
raise unless database_transaction_rollback.is_a?(Rollback)
end
ensure
if transaction_open
begin
commit_db_transaction
rescue Exception => database_transaction_rollback
rollback_db_transaction
raise
end
end
end
end
end
end
Version data entries
4 entries across 4 versions & 1 rubygems