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clientsflow/research/chatwoot/db/migrate/20240515201632_index_improvements_conversations_contacts.rb

12 lines
411 B
Ruby

class IndexImprovementsConversationsContacts < ActiveRecord::Migration[7.0]
disable_ddl_transaction!
def change
remove_index :conversations, :last_activity_at
add_index :contacts, [:account_id, :last_activity_at],
order: { last_activity_at: 'DESC NULLS LAST' },
algorithm: :concurrently,
name: 'index_contacts_on_account_id_and_last_activity_at'
end
end