Class: SolidQueue::Record

Inherits:
ActiveRecord::Base
  • Object
show all
Includes:
DistinctValues
Defined in:
app/models/solid_queue/record.rb,
app/models/solid_queue/record/distinct_values.rb

Direct Known Subclasses

Execution, Job, Pause, Process, RecurringTask, Semaphore

Defined Under Namespace

Modules: DistinctValues

Class Method Summary collapse

Class Method Details

.non_blocking_lock ⇒ Object 



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# File 'app/models/solid_queue/record.rb', line 13

def non_blocking_lock
  if SolidQueue.use_skip_locked
    lock(Arel.sql("FOR UPDATE SKIP LOCKED"))
  else
    lock
  end
end

.supports_insert_conflict_target? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/solid_queue/record.rb', line 21

def supports_insert_conflict_target?
  connection_pool.with_connection do |connection|
    connection.supports_insert_conflict_target?
  end
end

.use_index(*indexes) ⇒ Object

Pass index hints to the query optimizer using SQL comment hints. Uses MySQL 8 optimizer hint query comments, which SQLite and PostgreSQL ignore.



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# File 'app/models/solid_queue/record.rb', line 30

def use_index(*indexes)
  optimizer_hints "INDEX(#{quoted_table_name} #{indexes.join(', ')})"
end