Add latest changes from gitlab-org/gitlab@master

1 files changed, 34 insertions, 0 deletions

diff --git a/db/post_migrate/20200227140242_update_occurrence_severity_column.rb b/db/post_migrate/20200227140242_update_occurrence_severity_column.rb
new file mode 100644
index 00000000000..6d250532383
--- /dev/null
+++ b/db/post_migrate/20200227140242_update_occurrence_severity_column.rb
@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+class UpdateOccurrenceSeverityColumn < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+  BATCH_SIZE = 1_000
+  INTERVAL = 5.minutes
+
+  # 23_044 records to be updated on GitLab.com,
+  def up
+    # create temporary index for undefined vulnerabilities
+    add_concurrent_index(:vulnerability_occurrences, :id, where: 'severity = 0', name: 'undefined_vulnerabilities')
+
+    return unless Gitlab.ee?
+
+    migration = Gitlab::BackgroundMigration::RemoveUndefinedOccurrenceSeverityLevel
+    migration_name = migration.to_s.demodulize
+    relation = migration::Occurrence.undefined_severity
+    queue_background_migration_jobs_by_range_at_intervals(relation,
+                                                          migration_name,
+                                                          INTERVAL,
+                                                          batch_size: BATCH_SIZE)
+  end
+
+  def down
+    # no-op
+    # temporary index is to be dropped in a different migration in an upcoming release
+    remove_concurrent_index(:vulnerability_occurrences, :id, where: 'severity = 0', name: 'undefined_vulnerabilities')
+    # This migration can not be reversed because we can not know which records had undefined severity
+  end
+end