Address the PK Overflow risk for the ci_job_artifacts - Step 3

- Ignore id_convert_to_bigint column
- Ignore job_id_convert_to_bigint column
- Remove trigger_be1804f21693 trigger

Related to https://gitlab.com/gitlab-org/gitlab/-/issues/338068

Changelog: added

app/models/ci/job_artifact.rb

@@ -10,6 +10,9 @@ module Ci
     include Artifactable
     include FileStoreMounter
     include EachBatch
+    include IgnorableColumns
+
+    ignore_columns %i[id_convert_to_bigint job_id_convert_to_bigint], remove_with: '14.4', remove_after: '2021-10-22'
 
     TEST_REPORT_FILE_TYPES = %w[junit].freeze
     COVERAGE_REPORT_FILE_TYPES = %w[cobertura].freeze

db/post_migrate/20210823142036_drop_temporary_trigger_for_ci_job_artifacts.rb

+# frozen_string_literal: true
+
+class DropTemporaryTriggerForCiJobArtifacts < ActiveRecord::Migration[6.1]
+  include Gitlab::Database::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  TABLE = 'ci_job_artifacts'
+  TEMPORARY_COLUMNS = %w(id_convert_to_bigint job_id_convert_to_bigint)
+  MAIN_COLUMNS = %w(id job_id)
+  TRIGGER = 'trigger_be1804f21693'
+
+  # rubocop:disable Migration/WithLockRetriesDisallowedMethod
+  def up
+    check_trigger_permissions!(TABLE)
+
+    with_lock_retries do
+      remove_rename_triggers(TABLE, TRIGGER)
+    end
+  end
+
+  def down
+    check_trigger_permissions!(TABLE)
+
+    with_lock_retries do
+      install_rename_triggers(TABLE, MAIN_COLUMNS, TEMPORARY_COLUMNS, trigger_name: TRIGGER)
+    end
+  end
+  # rubocop:enable Migration/WithLockRetriesDisallowedMethod
+end

db/schema_migrations/20210823142036

+874ed71410406d10ade9c834d1374b039effd9e88514d327d04275e11e837ffb
\ No newline at end of file

db/structure.sql

@@ -207,16 +207,6 @@ BEGIN
 END;
 $$;
 
-CREATE FUNCTION trigger_be1804f21693() RETURNS trigger
-    LANGUAGE plpgsql
-    AS $$
-BEGIN
-  NEW."id_convert_to_bigint" := NEW."id";
-  NEW."job_id_convert_to_bigint" := NEW."job_id";
-  RETURN NEW;
-END;
-$$;
-
 CREATE FUNCTION trigger_cf2f9e35f002() RETURNS trigger
     LANGUAGE plpgsql
     AS $$
@@ -26166,8 +26156,6 @@ CREATE TRIGGER trigger_91dc388a5fe6 BEFORE INSERT OR UPDATE ON dep_ci_build_trac
 
 CREATE TRIGGER trigger_aebe8b822ad3 BEFORE INSERT OR UPDATE ON taggings FOR EACH ROW EXECUTE FUNCTION trigger_aebe8b822ad3();
 
-CREATE TRIGGER trigger_be1804f21693 BEFORE INSERT OR UPDATE ON ci_job_artifacts FOR EACH ROW EXECUTE FUNCTION trigger_be1804f21693();
-
 CREATE TRIGGER trigger_cf2f9e35f002 BEFORE INSERT OR UPDATE ON ci_build_trace_chunks FOR EACH ROW EXECUTE FUNCTION trigger_cf2f9e35f002();
 
 CREATE TRIGGER trigger_f1ca8ec18d78 BEFORE INSERT OR UPDATE ON geo_job_artifact_deleted_events FOR EACH ROW EXECUTE FUNCTION trigger_f1ca8ec18d78();