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# frozen_string_literal: true
require "active_support/core_ext/module/delegation"
module ActiveRecord
# This is a thread locals registry for EXPLAIN. For example
#
# ActiveRecord::ExplainRegistry.queries
#
# returns the collected queries local to the current thread.
class ExplainRegistry # :nodoc:
class << self
delegate :reset, :collect, :collect=, :collect?, :queries, to: :instance
private
def instance
ActiveSupport::IsolatedExecutionState[:active_record_explain_registry] ||= new
end
end
attr_accessor :collect
attr_reader :queries
def initialize
reset
end
def collect?
@collect
end
def reset
@collect = false
@queries = []
end
end
end
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