Login Register

lock!

lock!(lock = true)

Instance Public methods

Obtain a row lock on this record. Reloads the record to obtain the requested lock. Pass an SQL locking clause to append the end of the SELECT statement or pass true for âFOR UPDATEâ (the default, an exclusive row lock). Returns the locked record.

Links:

https://github.com/rails/rails/blob/a913af96e0e46ca6637bca8f56282608628991eb/activerecord/lib/active_record/locking/pessimistic.rb#L61

doc_ruby_on_rails

2015-06-20 00:00:00

Comments

Leave a Comment

Please login to continue.

Popular Articles

asyncio.Lock.locked() locked() Return True if the lock is acquired.

lock mutex.lock â self Instance Public methods Attempts to grab the lock and waits if it isn't available. Raises ThreadError if mutex was l

_thread.lock.locked() lock.locked() Return the status of the lock: True if it has been acquired by some thread, False if not.

lock lock(locks = true) Instance Public methods Specifies locking settings (default to true). For more information on locking, please see Act

LOCK NameLOCK -- lock a table Synopsis LOCK [ TABLE ] [ ONLY ] name [ * ] [, ...] [ IN lockmode MODE ] [ NOWAIT ] where lockmode is one of: AC