Class: ActiveRecord::ExplainSubscriber

Inherits:
Object
  • Object
show all
Defined in:
lib/active_record/explain_subscriber.rb

Overview

:nodoc:

Constant Summary collapse

IGNORED_PAYLOADS =

SCHEMA queries cannot be EXPLAINed, also we do not want to run EXPLAIN on our own EXPLAINs now matter how loopingly beautiful that would be.

%w(SCHEMA EXPLAIN)

Instance Method Summary collapse

Instance Method Details

#call(*args) ⇒ Object 



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# File 'lib/active_record/explain_subscriber.rb', line 5

def call(*args)
  if queries = Thread.current[:available_queries_for_explain]
    payload = args.last
    queries << payload.values_at(:sql, :binds) unless ignore_payload?(payload)
  end
end

#ignore_payload?(payload) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_record/explain_subscriber.rb', line 15

def ignore_payload?(payload)
  payload[:exception] || IGNORED_PAYLOADS.include?(payload[:name])
end