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# frozen_string_literal: true
module ActiveRecord
# = Active Record Query Cache
class QueryCache
module ClassMethods
# Enable the query cache within the block if Active Record is configured.
# If it's not, it will execute the given block.
def cache(&block)
if connected? || !configurations.empty?
connection.cache(&block)
else
yield
end
end
# Disable the query cache within the block if Active Record is configured.
# If it's not, it will execute the given block.
def uncached(&block)
if connected? || !configurations.empty?
connection.uncached(&block)
else
yield
end
end
end
def self.run
pools = []
ActiveRecord::Base.connection_handlers.each do |key, handler|
pools << handler.connection_pool_list.reject { |p| p.query_cache_enabled }.each { |p| p.enable_query_cache! }
end
pools.flatten
end
def self.complete(pools)
pools.each { |pool| pool.disable_query_cache! }
ActiveRecord::Base.connection_handlers.each do |_, handler|
handler.connection_pool_list.each do |pool|
pool.release_connection if pool.active_connection? && !pool.connection.transaction_open?
end
end
end
def self.install_executor_hooks(executor = ActiveSupport::Executor)
executor.register_hook(self)
end
end
end
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