Class: DenormalizePipelineKlassOnAvailabilities

Inherits:
Ductwork::Migration show all
Defined in:
lib/generators/ductwork/update/templates/db/denormalize_pipeline_klass_on_availabilities.rb

Constant Summary

Constants included from Ductwork::MigrationHelper

Ductwork::MigrationHelper::AVAILABILITY_CLAIM_INDEX_NAME, Ductwork::MigrationHelper::AVAILABILITY_CLAIM_INDEX_NAMES, Ductwork::MigrationHelper::AVAILABILITY_CLAIM_INDEX_NAME_V2

Instance Method Summary collapse

Methods included from Ductwork::MigrationHelper

#add_availability_claim_index, #add_index_online, #belongs_to, #create_ductwork_table, #drop_invalid_index, #ensure_ddl_transaction_disabled!, #mysql?, #postgresql?, #remove_availability_claim_index, #remove_index_online, #swap_availability_claim_index, #uuid_column_type

Instance Method Details

#change ⇒ Object 



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# File 'lib/generators/ductwork/update/templates/db/denormalize_pipeline_klass_on_availabilities.rb', line 4

def change
  add_column :ductwork_availabilities, :pipeline_klass, :string

  # NOTE: change this how you see fit. everything is updated to a static,
  # bogus value in case there are a lot of records.
  Ductwork::Availability
    .where(pipeline_klass: nil)
    .update_all(pipeline_klass: "Pipeline")

  change_column_null :ductwork_availabilities, :pipeline_klass, false
  remove_availability_claim_index
  add_availability_claim_index
end