Module: ChronoModel

Defined in:
lib/chrono_model.rb,
lib/chrono_model/chrono.rb,
lib/chrono_model/adapter.rb,
lib/chrono_model/railtie.rb,
lib/chrono_model/version.rb,
lib/chrono_model/time_gate.rb,
lib/chrono_model/utilities.rb,
lib/chrono_model/adapter/ddl.rb,
lib/chrono_model/conversions.rb,
lib/chrono_model/time_machine.rb,
lib/chrono_model/adapter/indexes.rb,
lib/chrono_model/adapter/upgrade.rb,
lib/chrono_model/patches/batches.rb,
lib/chrono_model/patches/relation.rb,
lib/chrono_model/patches/join_node.rb,
lib/chrono_model/patches/preloader.rb,
lib/chrono_model/adapter/migrations.rb,
lib/chrono_model/patches/db_console.rb,
lib/chrono_model/patches/association.rb,
lib/chrono_model/time_machine/timeline.rb,
lib/chrono_model/time_machine/time_query.rb,
lib/chrono_model/patches/as_of_time_holder.rb,
lib/chrono_model/time_machine/history_model.rb,
lib/chrono_model/patches/as_of_time_relation.rb,
lib/chrono_model/adapter/migrations_modules/stable.rb

Defined Under Namespace

Modules: Chrono, Conversions, Patches, TimeGate, TimeMachine, Utilities Classes: Adapter, Error, Railtie

Constant Summary collapse

VALIDITY_TSRANGE_PRECISION =

ChronoModel uses default timestamp precision (p=6) for tsrange columns. PostgreSQL timestamp precision can range from 0 to 6 fractional digits, where 6 provides microsecond resolution (1 microsecond = 10^-6 seconds).

Rational(1, 10**6)
VERSION = 
'6.0.0'

Class Method Summary collapse

Class Method Details

.history_models ⇒ Object

Returns an Hash keyed by table name of ChronoModels. Computed upon inclusion of the TimeMachine module.



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# File 'lib/chrono_model.rb', line 40

def self.history_models
  @history_models ||= {}
end

.upgrade! ⇒ Object

Performs structure upgrade.



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# File 'lib/chrono_model.rb', line 27

def self.upgrade!
  connection = ActiveRecord::Base.connection

  unless connection.is_a?(ChronoModel::Adapter)
    raise ChronoModel::Error, 'This database connection is not a ChronoModel::Adapter'
  end

  connection.chrono_upgrade!
end