Module: ActiveRecordShards

Defined in:
lib/active_record_shards/sql_comments.rb,
lib/active_record_shards.rb,
lib/active_record_shards/model.rb,
lib/active_record_shards/tasks.rb,
lib/active_record_shards/migration.rb,
lib/active_record_shards/default_shard.rb,
lib/active_record_shards/shard_support.rb,
lib/active_record_shards/shard_selection.rb,
lib/active_record_shards/connection_switcher.rb,
lib/active_record_shards/configuration_parser.rb,
lib/active_record_shards/connection_switcher-5-1.rb,
lib/active_record_shards/connection_switcher-6-0.rb,
lib/active_record_shards/connection_switcher-6-1.rb,
lib/active_record_shards/connection_switcher-7-0.rb,
lib/active_record_shards/default_replica_patches.rb,
lib/active_record_shards/schema_dumper_extension.rb,
lib/active_record_shards/association_collection_connection_selection.rb

Overview

show which connection was picked to debug primary/replica slowness when both servers are the same

Defined Under Namespace

Modules: ActualMigrationExtension, AssociationCollectionConnectionSelection, ConfigurationParser, ConnectionSwitcher, DefaultReplicaPatches, DefaultShard, MigrationClassExtension, Model, SchemaDumperExtension, SqlComments, Tasks Classes: ShardSelection, ShardSupport

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.disable_replica_readonly_records ⇒ Object

Returns the value of attribute disable_replica_readonly_records.



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# File 'lib/active_record_shards.rb', line 17

def disable_replica_readonly_records
  @disable_replica_readonly_records
end

Class Method Details

.app_env ⇒ Object 



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# File 'lib/active_record_shards.rb', line 20

def self.app_env
  @app_env ||= begin
    env = Rails.env if defined?(Rails.env)
    env ||= RAILS_ENV if Object.const_defined?(:RAILS_ENV)
    env ||= ENV['RAILS_ENV']
    env ||= APP_ENV if Object.const_defined?(:APP_ENV)
    env ||= ENV['APP_ENV']
    env || 'development'
  end
end

.reset_app_env! ⇒ Object

Busts internal caches kept by active_record_shards, for things which are supposed to be the same for the life of the process. You shouldn’t need to call this unless you’re doing something truly evil like changing RAILS_ENV after boot



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# File 'lib/active_record_shards.rb', line 34

def self.reset_app_env!
  @app_env = nil
  models = [ActiveRecord::Base] + ActiveRecord::Base.descendants
  models.each do |model|
    model.remove_instance_variable(:@_ars_model_is_sharded) if model.instance_variable_defined?(:@_ars_model_is_sharded)
  end
end