diff options
Diffstat (limited to 'db/migrate/20180119160751_optimize_ci_job_artifacts.rb')
| -rw-r--r-- | db/migrate/20180119160751_optimize_ci_job_artifacts.rb | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20180119160751_optimize_ci_job_artifacts.rb b/db/migrate/20180119160751_optimize_ci_job_artifacts.rb new file mode 100644 index 00000000000..9b4340ed7b7 --- /dev/null +++ b/db/migrate/20180119160751_optimize_ci_job_artifacts.rb @@ -0,0 +1,23 @@ +# See http://doc.gitlab.com/ce/development/migration_style_guide.html +# for more information on how to write migrations for GitLab. + +class OptimizeCiJobArtifacts < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + # Set this constant to true if this migration requires downtime. + DOWNTIME = false + + disable_ddl_transaction! + + def up + # job_id is just here to be a covering index for index only scans + # since we'll almost always be joining against ci_builds on job_id + add_concurrent_index(:ci_job_artifacts, [:expire_at, :job_id]) + add_concurrent_index(:ci_builds, [:artifacts_expire_at], where: "artifacts_file <> ''") + end + + def down + remove_concurrent_index(:ci_job_artifacts, [:expire_at, :job_id]) + remove_concurrent_index(:ci_builds, [:artifacts_expire_at], where: "artifacts_file <> ''") + end +end |