Class: AddIndexesToDuctworkTransitions

Inherits:
Ductwork::Migration show all
Defined in:
lib/generators/ductwork/update/templates/db/add_indexes_to_ductwork_transitions.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/add_indexes_to_ductwork_transitions.rb', line 4

def change
  if mysql?
    add_index :ductwork_transitions,
              %i[branch_id completed_at started_at],
              name: "index_ductwork_transitions_on_latest_open"
  else
    add_index :ductwork_transitions,
              %i[branch_id started_at],
              where: "completed_at IS NULL",
              name: "index_ductwork_transitions_on_latest_open"
  end
end