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# frozen_string_literal: true
class AddIndexForContainerRegistryAccessLevel < ActiveRecord::Migration[6.1]
include Gitlab::Database::SchemaHelpers
include Gitlab::Database::MigrationHelpers
disable_ddl_transaction!
INDEX = 'index_project_features_on_project_id_include_container_registry'
def up
if index_exists_by_name?('project_features', INDEX)
Gitlab::AppLogger.warn "Index not created because it already exists (this may be due to an aborted migration or similar): table_name: project_features, index_name: #{INDEX}"
return
end
begin
disable_statement_timeout do
execute "CREATE UNIQUE INDEX CONCURRENTLY #{INDEX} ON project_features " \
'USING btree (project_id) INCLUDE (container_registry_access_level)'
end
rescue ActiveRecord::StatementInvalid => ex
raise "The index #{INDEX} couldn't be added: #{ex.message}"
end
create_comment(
'INDEX',
INDEX,
'Included column (container_registry_access_level) improves performance of the ContainerRepository.for_group_and_its_subgroups scope query'
)
end
def down
remove_concurrent_index_by_name('project_features', INDEX)
end
end
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