gitlab-org--gitlab-foss/db/migrate/20200526120714_change_partial_indexes_on_services.rb

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# frozen_string_literal: true
class ChangePartialIndexesOnServices < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_index :services, [:type, :instance], unique: true, where: 'instance = true', name: 'index_services_on_type_and_instance_partial'
remove_concurrent_index_by_name :services, 'index_services_on_type_and_instance'
add_concurrent_index :services, [:type, :template], unique: true, where: 'template = true', name: 'index_services_on_type_and_template_partial'
remove_concurrent_index_by_name :services, 'index_services_on_type_and_template'
end
def down
add_concurrent_index :services, [:type, :instance], unique: true, where: 'instance IS TRUE', name: 'index_services_on_type_and_instance'
remove_concurrent_index_by_name :services, 'index_services_on_type_and_instance_partial'
add_concurrent_index :services, [:type, :template], unique: true, where: 'template IS TRUE', name: 'index_services_on_type_and_template'
remove_concurrent_index_by_name :services, 'index_services_on_type_and_template_partial'
end
end