Module: NewRelic::Agent::Instrumentation::ActiveRecordHelper

Defined in:
lib/new_relic/agent/instrumentation/active_record_helper.rb

Defined Under Namespace

Modules: InstanceIdentification

Constant Summary collapse

ACTIVE_RECORD = 
'ActiveRecord'.freeze
OTHER = 
'other'.freeze
MAKARA_SUFFIX = 
'_makara'.freeze
SPACE = 
' '.freeze
OPERATION_NAMES =

These are used primarily to optimize and avoid allocation on well known operations coming in. Anything not matching the list is fine, it just needs to get downcased directly for use.

{
  'Find' => 'find',
  'Load' => 'find',
  'Count' => 'find',
  'Exists' => 'find',
  'Create' => 'create',
  'Columns' => 'columns',
  'Indexes' => 'indexes',
  'Destroy' => 'destroy',
  'Update' => 'update',
  'Save' => 'save'
}.freeze
PRODUCT_NAMES = 
{
  'mysql' => 'MySQL',
  'mysql2' => 'MySQL',

  'postgresql' => 'Postgres',

  'sqlite3' => 'SQLite',

  # https://rubygems.org/gems/activerecord-jdbcpostgresql-adapter
  'jdbcmysql' => 'MySQL',

  # https://rubygems.org/gems/activerecord-jdbcpostgresql-adapter
  'jdbcpostgresql' => 'Postgres',

  # https://rubygems.org/gems/activerecord-postgis-adapter
  'postgis' => 'Postgres',

  # https://rubygems.org/gems/activerecord-jdbcsqlite3-adapter
  'jdbcsqlite3' => 'SQLite',

  # https://rubygems.org/gems/activerecord-jdbcderby-adapter
  'derby' => 'Derby',
  'jdbcderby' => 'Derby',

  # https://rubygems.org/gems/activerecord-jdbc-adapter
  'jdbc' => 'JDBC',

  # https://rubygems.org/gems/activerecord-jdbcmssql-adapter
  'jdbcmssql' => 'MSSQL',
  'mssql' => 'MSSQL',

  # https://rubygems.org/gems/activerecord-sqlserver-adapter
  'sqlserver' => 'MSSQL',

  # https://rubygems.org/gems/activerecord-odbc-adapter
  'odbc' => 'ODBC',

  # https://rubygems.org/gems/activerecord-oracle_enhanced-adapter
  'oracle_enhanced' => 'Oracle',

  # https://rubygems.org/gems/activerecord-amazon-timestream-adapter
  'amazon_timestream' => 'Timestream'
}.freeze
ACTIVE_RECORD_DEFAULT_PRODUCT_NAME = 
'ActiveRecord'.freeze

Class Method Summary collapse

Class Method Details

.bare_adapter_name(adapter_name) ⇒ Object

convert vendor (makara, etc.) wrapper names to their bare names ex: postgresql_makara -> postgresql



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 101

def bare_adapter_name(adapter_name)
  # TODO: OLD RUBIES - RUBY_VERSION < 2.5
  # With Ruby 2.5+ we could use #delete_suffix instead of #chomp for a
  # potential speed boost
  return adapter_name.chomp(MAKARA_SUFFIX) if adapter_name&.end_with?(MAKARA_SUFFIX)

  adapter_name
end

.instrument_additional_methods ⇒ Object

Used by both the AR 3.x and 4.x instrumentation



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 15

def instrument_additional_methods
  instrument_save_methods
  instrument_relation_methods
end

.instrument_relation_methods ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 40

def instrument_relation_methods
  ::ActiveRecord::Relation.class_eval do
    alias_method(:update_all_without_newrelic, :update_all)

    def update_all(*args, &blk)
      ::NewRelic::Agent.with_database_metric_name(self.name, nil, ACTIVE_RECORD) do
        update_all_without_newrelic(*args, &blk)
      end
    end

    alias_method(:delete_all_without_newrelic, :delete_all)

    if RUBY_VERSION < '2.7.0'
      def delete_all(*args, &blk)
        ::NewRelic::Agent.with_database_metric_name(self.name, nil, ACTIVE_RECORD) do
          delete_all_without_newrelic(*args, &blk)
        end
      end
    else
      def delete_all(*args, **kwargs, &blk)
        ::NewRelic::Agent.with_database_metric_name(self.name, nil, ACTIVE_RECORD) do
          delete_all_without_newrelic(*args, **kwargs, &blk)
        end
      end
    end

    alias_method(:destroy_all_without_newrelic, :destroy_all)

    def destroy_all(*args, &blk)
      ::NewRelic::Agent.with_database_metric_name(self.name, nil, ACTIVE_RECORD) do
        destroy_all_without_newrelic(*args, &blk)
      end
    end

    alias_method(:calculate_without_newrelic, :calculate)

    def calculate(*args, &blk)
      ::NewRelic::Agent.with_database_metric_name(self.name, nil, ACTIVE_RECORD) do
        calculate_without_newrelic(*args, &blk)
      end
    end

    if method_defined?(:pluck)
      alias_method(:pluck_without_newrelic, :pluck)

      def pluck(*args, &blk)
        ::NewRelic::Agent.with_database_metric_name(self.name, nil, ACTIVE_RECORD) do
          pluck_without_newrelic(*args, &blk)
        end
      end

    end
  end
end

.instrument_save_methods ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 20

def instrument_save_methods
  ::ActiveRecord::Base.class_eval do
    alias_method(:save_without_newrelic, :save)

    def save(*args, &blk)
      ::NewRelic::Agent.with_database_metric_name(self.class.name, nil, ACTIVE_RECORD) do
        save_without_newrelic(*args, &blk)
      end
    end

    alias_method(:save_without_newrelic!, :save!)

    def save!(*args, &blk)
      ::NewRelic::Agent.with_database_metric_name(self.class.name, nil, ACTIVE_RECORD) do
        save_without_newrelic!(*args, &blk)
      end
    end
  end
end

.map_operation(raw_operation) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 158

def map_operation(raw_operation)
  direct_op = OPERATION_NAMES[raw_operation]
  return direct_op if direct_op

  raw_operation.downcase
end

.map_product(adapter_name) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 211

def map_product(adapter_name)
  PRODUCT_NAMES.fetch(adapter_name, ACTIVE_RECORD_DEFAULT_PRODUCT_NAME)
end

.model_from_splits(splits) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 128

def model_from_splits(splits)
  if splits.length == 2
    splits.first
  end
end

.operation_from_splits(splits, sql) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 134

def operation_from_splits(splits, sql)
  if splits.length == 2
    map_operation(splits[1])
  else
    NewRelic::Agent::Database.parse_operation_from_query(sql) || OTHER
  end
end

.product_operation_collection_for(name, sql, adapter_name) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 110

def product_operation_collection_for(name, sql, adapter_name)
  product = map_product(bare_adapter_name(adapter_name))
  splits = split_name(name)
  model = model_from_splits(splits)
  operation = operation_from_splits(splits, sql)
  NewRelic::Agent::Datastores::MetricHelper.product_operation_collection_for(product, operation, model, ACTIVE_RECORD)
end

.split_name(name) ⇒ Object 



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# File 'lib/new_relic/agent/instrumentation/active_record_helper.rb', line 120

def split_name(name)
  if name&.respond_to?(:split)
    name.split(SPACE)
  else
    NewRelic::EMPTY_ARRAY
  end
end