class WithAdvisoryLock::MySQLNoNesting
For MySQL
< 5.7.5 that does not support nested locks
Public Instance Methods
already_locked?()
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MySQL
doesn't support nested locks:
# File lib/with_advisory_lock/mysql_no_nesting.rb, line 16 def already_locked? lock_stack.last == lock_stack_item end
try_lock()
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See dev.mysql.com/doc/refman/5.0/en/miscellaneous-functions.html#function_get-lock
Calls superclass method
WithAdvisoryLock::MySQL#try_lock
# File lib/with_advisory_lock/mysql_no_nesting.rb, line 5 def try_lock unless lock_stack.empty? raise NestedAdvisoryLockError.new( "MySQL < 5.7.5 doesn't support nested Advisory Locks", lock_stack.dup ) end super end