in db/migrate/20190402150158_backport_enterprise_schema.rb [1849:1995]
def add_missing_foreign_keys
add_concurrent_foreign_key("application_settings", "namespaces", column: "custom_project_templates_group_id", name: "fk_rails_b53e481273", on_delete: :nullify)
add_concurrent_foreign_key("application_settings", "projects", column: "file_template_project_id", name: "fk_ec757bd087", on_delete: :nullify)
add_concurrent_foreign_key("approval_merge_request_rule_sources", "approval_merge_request_rules", column: "approval_merge_request_rule_id", name: "fk_rails_e605a04f76", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rule_sources", "approval_project_rules", column: "approval_project_rule_id", name: "fk_rails_64e8ed3c7e", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rules", "merge_requests", column: "merge_request_id", name: "fk_rails_004ce82224", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rules_approved_approvers", "approval_merge_request_rules", column: "approval_merge_request_rule_id", name: "fk_rails_6577725edb", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rules_approved_approvers", "users", column: "user_id", name: "fk_rails_8dc94cff4d", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rules_groups", "approval_merge_request_rules", column: "approval_merge_request_rule_id", name: "fk_rails_5b2ecf6139", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rules_groups", "namespaces", column: "group_id", name: "fk_rails_2020a7124a", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rules_users", "approval_merge_request_rules", column: "approval_merge_request_rule_id", name: "fk_rails_80e6801803", on_delete: :cascade)
add_concurrent_foreign_key("approval_merge_request_rules_users", "users", column: "user_id", name: "fk_rails_bc8972fa55", on_delete: :cascade)
add_concurrent_foreign_key("approval_project_rules", "projects", column: "project_id", name: "fk_rails_5fb4dd100b", on_delete: :cascade)
add_concurrent_foreign_key("approval_project_rules_groups", "approval_project_rules", column: "approval_project_rule_id", name: "fk_rails_9071e863d1", on_delete: :cascade)
add_concurrent_foreign_key("approval_project_rules_groups", "namespaces", column: "group_id", name: "fk_rails_396841e79e", on_delete: :cascade)
add_concurrent_foreign_key("approval_project_rules_users", "approval_project_rules", column: "approval_project_rule_id", name: "fk_rails_b9e9394efb", on_delete: :cascade)
add_concurrent_foreign_key("approval_project_rules_users", "users", column: "user_id", name: "fk_rails_f365da8250", on_delete: :cascade)
add_concurrent_foreign_key("approvals", "merge_requests", column: "merge_request_id", name: "fk_310d714958", on_delete: :cascade)
add_concurrent_foreign_key("approver_groups", "namespaces", column: "group_id", name: "fk_rails_1cdcbd7723", on_delete: :cascade)
add_concurrent_foreign_key("board_assignees", "boards", column: "board_id", name: "fk_rails_3f6f926bd5", on_delete: :cascade)
add_concurrent_foreign_key("board_assignees", "users", column: "assignee_id", name: "fk_rails_1c0ff59e82", on_delete: :cascade)
add_concurrent_foreign_key("board_labels", "boards", column: "board_id", name: "fk_rails_9374a16edd", on_delete: :cascade)
add_concurrent_foreign_key("board_labels", "labels", column: "label_id", name: "fk_rails_362b0600a3", on_delete: :cascade)
add_concurrent_foreign_key("ci_sources_pipelines", "ci_builds", column: "source_job_id", name: "fk_be5624bf37", on_delete: :cascade)
add_concurrent_foreign_key("ci_sources_pipelines", "ci_pipelines", column: "pipeline_id", name: "fk_e1bad85861", on_delete: :cascade)
add_concurrent_foreign_key("ci_sources_pipelines", "ci_pipelines", column: "source_pipeline_id", name: "fk_d4e29af7d7", on_delete: :cascade)
add_concurrent_foreign_key("ci_sources_pipelines", "projects", column: "source_project_id", name: "fk_acd9737679", on_delete: :cascade)
add_concurrent_foreign_key("ci_sources_pipelines", "projects", column: "project_id", name: "fk_1e53c97c0a", on_delete: :cascade)
add_concurrent_foreign_key("design_management_designs", "issues", column: "issue_id", name: "fk_rails_bfe283ec3c", on_delete: :cascade)
add_concurrent_foreign_key("design_management_designs", "projects", column: "project_id", name: "fk_rails_4bb1073360", on_delete: :cascade)
add_concurrent_foreign_key("design_management_designs_versions", "design_management_designs", column: "design_id", on_delete: :cascade)
add_concurrent_foreign_key("design_management_designs_versions", "design_management_versions", column: "version_id", on_delete: :cascade)
add_concurrent_foreign_key("draft_notes", "merge_requests", column: "merge_request_id", name: "fk_rails_e753681674", on_delete: :cascade)
add_concurrent_foreign_key("draft_notes", "users", column: "author_id", name: "fk_rails_2a8dac9901", on_delete: :cascade)
add_concurrent_foreign_key("elasticsearch_indexed_namespaces", "namespaces", column: "namespace_id", name: "fk_rails_bdcf044f37", on_delete: :cascade)
add_concurrent_foreign_key("elasticsearch_indexed_projects", "projects", column: "project_id", name: "fk_rails_bd13bbdc3d", on_delete: :cascade)
add_concurrent_foreign_key("epic_issues", "epics", column: "epic_id", name: "fk_rails_5d942936b4", on_delete: :cascade)
add_concurrent_foreign_key("epic_issues", "issues", column: "issue_id", name: "fk_rails_4209981af6", on_delete: :cascade)
add_concurrent_foreign_key("epic_metrics", "epics", column: "epic_id", name: "fk_rails_d071904753", on_delete: :cascade)
add_concurrent_foreign_key("epics", "epics", column: "parent_id", name: "fk_25b99c1be3", on_delete: :cascade)
add_concurrent_foreign_key("epics", "milestones", column: "milestone_id", name: "fk_rails_1bf671ebb7", on_delete: :nullify)
add_concurrent_foreign_key("epics", "namespaces", column: "group_id", name: "fk_f081aa4489", on_delete: :cascade)
add_concurrent_foreign_key("epics", "users", column: "assignee_id", name: "fk_dccd3f98fc", on_delete: :nullify)
add_concurrent_foreign_key("epics", "users", column: "author_id", name: "fk_3654b61b03", on_delete: :cascade)
add_concurrent_foreign_key("epics", "users", column: "closed_by_id", name: "fk_aa5798e761", on_delete: :nullify)
add_concurrent_foreign_key("geo_event_log", "geo_cache_invalidation_events", column: "cache_invalidation_event_id", name: "fk_42c3b54bed", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_hashed_storage_migrated_events", column: "hashed_storage_migrated_event_id", name: "fk_27548c6db3", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_job_artifact_deleted_events", column: "job_artifact_deleted_event_id", name: "fk_176d3fbb5d", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_lfs_object_deleted_events", column: "lfs_object_deleted_event_id", name: "fk_d5af95fcd9", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_repositories_changed_events", column: "repositories_changed_event_id", name: "fk_4a99ebfd60", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_repository_created_events", column: "repository_created_event_id", name: "fk_9b9afb1916", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_repository_deleted_events", column: "repository_deleted_event_id", name: "fk_c4b1c1f66e", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_repository_renamed_events", column: "repository_renamed_event_id", name: "fk_86c84214ec", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_repository_updated_events", column: "repository_updated_event_id", name: "fk_78a6492f68", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_reset_checksum_events", column: "reset_checksum_event_id", name: "fk_cff7185ad2", on_delete: :cascade)
add_concurrent_foreign_key("geo_event_log", "geo_upload_deleted_events", column: "upload_deleted_event_id", name: "fk_c1f241c70d", on_delete: :cascade)
add_concurrent_foreign_key("geo_hashed_storage_attachments_events", "projects", column: "project_id", name: "fk_rails_d496b088e9", on_delete: :cascade)
add_concurrent_foreign_key("geo_hashed_storage_migrated_events", "projects", column: "project_id", name: "fk_rails_687ed7d7c5", on_delete: :cascade)
add_concurrent_foreign_key("geo_node_namespace_links", "geo_nodes", column: "geo_node_id", name: "fk_rails_546bf08d3e", on_delete: :cascade)
add_concurrent_foreign_key("geo_node_namespace_links", "namespaces", column: "namespace_id", name: "fk_rails_41ff5fb854", on_delete: :cascade)
add_concurrent_foreign_key("geo_node_statuses", "geo_nodes", column: "geo_node_id", name: "fk_rails_0ecc699c2a", on_delete: :cascade)
add_concurrent_foreign_key("geo_repositories_changed_events", "geo_nodes", column: "geo_node_id", name: "fk_rails_75ec0fefcc", on_delete: :cascade)
add_concurrent_foreign_key("geo_repository_created_events", "projects", column: "project_id", name: "fk_rails_1f49e46a61", on_delete: :cascade)
add_concurrent_foreign_key("geo_repository_renamed_events", "projects", column: "project_id", name: "fk_rails_4e6524febb", on_delete: :cascade)
add_concurrent_foreign_key("geo_repository_updated_events", "projects", column: "project_id", name: "fk_rails_2b70854c08", on_delete: :cascade)
add_concurrent_foreign_key("geo_reset_checksum_events", "projects", column: "project_id", name: "fk_rails_910a06f12b", on_delete: :cascade)
add_concurrent_foreign_key("gitlab_subscriptions", "namespaces", column: "namespace_id", name: "fk_e2595d00a1", on_delete: :cascade)
add_concurrent_foreign_key("gitlab_subscriptions", "plans", column: "hosted_plan_id", name: "fk_bd0c4019c3", on_delete: :cascade)
add_concurrent_foreign_key("identities", "saml_providers", column: "saml_provider_id", name: "fk_aade90f0fc", on_delete: :cascade)
add_concurrent_foreign_key("index_statuses", "projects", column: "project_id", name: "fk_74b2492545", on_delete: :cascade)
add_concurrent_foreign_key("insights", "namespaces", column: "namespace_id", name: "fk_rails_5c4391f60a", on_delete: nil)
add_concurrent_foreign_key("insights", "projects", column: "project_id", name: "fk_rails_f36fda3932", on_delete: nil)
add_concurrent_foreign_key("issue_links", "issues", column: "source_id", name: "fk_c900194ff2", on_delete: :cascade)
add_concurrent_foreign_key("issue_links", "issues", column: "target_id", name: "fk_e71bb44f1f", on_delete: :cascade)
add_concurrent_foreign_key("lists", "milestones", column: "milestone_id", name: "fk_rails_baed5f39b7", on_delete: :cascade)
add_concurrent_foreign_key("lists", "users", column: "user_id", name: "fk_d6cf4279f7", on_delete: :cascade)
add_concurrent_foreign_key("namespace_statistics", "namespaces", column: "namespace_id", name: "fk_rails_0062050394", on_delete: :cascade)
add_concurrent_foreign_key("namespaces", "namespaces", column: "custom_project_templates_group_id", name: "fk_e7a0b20a6b", on_delete: :nullify)
add_concurrent_foreign_key("namespaces", "plans", column: "plan_id", name: "fk_fdd12e5b80", on_delete: :nullify)
add_concurrent_foreign_key("namespaces", "projects", column: "file_template_project_id", name: "fk_319256d87a", on_delete: :nullify)
add_concurrent_foreign_key("notes", "reviews", column: "review_id", name: "fk_2e82291620", on_delete: :nullify)
add_concurrent_foreign_key("operations_feature_flag_scopes", "operations_feature_flags", column: "feature_flag_id", name: "fk_rails_a50a04d0a4", on_delete: :cascade)
add_concurrent_foreign_key("operations_feature_flags", "projects", column: "project_id", name: "fk_rails_648e241be7", on_delete: :cascade)
add_concurrent_foreign_key("operations_feature_flags_clients", "projects", column: "project_id", name: "fk_rails_6650ed902c", on_delete: :cascade)
add_concurrent_foreign_key("packages_maven_metadata", "packages_packages", column: "package_id", name: "fk_be88aed360", on_delete: :cascade)
add_concurrent_foreign_key("packages_package_files", "packages_packages", column: "package_id", name: "fk_86f0f182f8", on_delete: :cascade)
add_concurrent_foreign_key("packages_packages", "projects", column: "project_id", name: "fk_rails_e1ac527425", on_delete: :cascade)
add_concurrent_foreign_key("path_locks", "projects", column: "project_id", name: "fk_5265c98f24", on_delete: :cascade)
add_concurrent_foreign_key("path_locks", "users", column: "user_id", name: "fk_rails_762cdcf942", on_delete: nil)
add_concurrent_foreign_key("project_alerting_settings", "projects", column: "project_id", name: "fk_rails_27a84b407d", on_delete: :cascade)
add_concurrent_foreign_key("project_feature_usages", "projects", column: "project_id", name: "fk_rails_c22a50024b", on_delete: :cascade)
add_concurrent_foreign_key("project_incident_management_settings", "projects", column: "project_id", name: "fk_rails_9c2ea1b7dd", on_delete: :cascade)
add_concurrent_foreign_key("project_repository_states", "projects", column: "project_id", name: "fk_rails_0f2298ca8a", on_delete: :cascade)
add_concurrent_foreign_key("project_tracing_settings", "projects", column: "project_id", name: "fk_rails_fe56f57fc6", on_delete: :cascade)
add_concurrent_foreign_key("prometheus_alert_events", "projects", column: "project_id", name: "fk_rails_4675865839", on_delete: :cascade)
add_concurrent_foreign_key("prometheus_alert_events", "prometheus_alerts", column: "prometheus_alert_id", name: "fk_rails_106f901176", on_delete: :cascade)
add_concurrent_foreign_key("prometheus_alerts", "environments", column: "environment_id", name: "fk_rails_6d9b283465", on_delete: :cascade)
add_concurrent_foreign_key("prometheus_alerts", "projects", column: "project_id", name: "fk_rails_f0e8db86aa", on_delete: :cascade)
add_concurrent_foreign_key("prometheus_alerts", "prometheus_metrics", column: "prometheus_metric_id", name: "fk_rails_e6351447ec", on_delete: :cascade)
add_concurrent_foreign_key("protected_branch_merge_access_levels", "namespaces", column: "group_id", name: "fk_98f3d044fe", on_delete: :cascade)
add_concurrent_foreign_key("protected_branch_merge_access_levels", "users", column: "user_id", name: "fk_rails_5ffb4f3590", on_delete: nil)
add_concurrent_foreign_key("protected_branch_push_access_levels", "namespaces", column: "group_id", name: "fk_7111b68cdb", on_delete: :cascade)
add_concurrent_foreign_key("protected_branch_push_access_levels", "users", column: "user_id", name: "fk_rails_8dcb712d65", on_delete: nil)
add_concurrent_foreign_key("protected_branch_unprotect_access_levels", "namespaces", column: "group_id", name: "fk_rails_5be1abfc25", on_delete: :cascade)
add_concurrent_foreign_key("protected_branch_unprotect_access_levels", "protected_branches", column: "protected_branch_id", name: "fk_rails_e9eb8dc025", on_delete: :cascade)
add_concurrent_foreign_key("protected_branch_unprotect_access_levels", "users", column: "user_id", name: "fk_rails_2d2aba21ef", on_delete: :cascade)
add_concurrent_foreign_key("protected_environment_deploy_access_levels", "namespaces", column: "group_id", name: "fk_rails_45cc02a931", on_delete: :cascade)
add_concurrent_foreign_key("protected_environment_deploy_access_levels", "protected_environments", column: "protected_environment_id", name: "fk_rails_898a13b650", on_delete: :cascade)
add_concurrent_foreign_key("protected_environment_deploy_access_levels", "users", column: "user_id", name: "fk_rails_5b9f6970fe", on_delete: :cascade)
add_concurrent_foreign_key("protected_environments", "projects", column: "project_id", name: "fk_rails_a354313d11", on_delete: :cascade)
add_concurrent_foreign_key("push_rules", "projects", column: "project_id", name: "fk_83b29894de", on_delete: :cascade)
add_concurrent_foreign_key("resource_label_events", "epics", column: "epic_id", name: "fk_rails_75efb0a653", on_delete: :cascade)
add_concurrent_foreign_key("reviews", "merge_requests", column: "merge_request_id", name: "fk_rails_5ca11d8c31", on_delete: :cascade)
add_concurrent_foreign_key("reviews", "projects", column: "project_id", name: "fk_rails_64798be025", on_delete: :cascade)
add_concurrent_foreign_key("reviews", "users", column: "author_id", name: "fk_rails_29e6f859c4", on_delete: :nullify)
add_concurrent_foreign_key("saml_providers", "namespaces", column: "group_id", name: "fk_rails_306d459be7", on_delete: :cascade)
add_concurrent_foreign_key("scim_oauth_access_tokens", "namespaces", column: "group_id", name: "fk_rails_c84404fb6c", on_delete: :cascade)
add_concurrent_foreign_key("slack_integrations", "services", column: "service_id", name: "fk_rails_73db19721a", on_delete: :cascade)
add_concurrent_foreign_key("smartcard_identities", "users", column: "user_id", name: "fk_rails_4689f889a9", on_delete: :cascade)
add_concurrent_foreign_key("software_license_policies", "projects", column: "project_id", name: "fk_rails_87b2247ce5", on_delete: :cascade)
add_concurrent_foreign_key("software_license_policies", "software_licenses", column: "software_license_id", name: "fk_rails_7a7a2a92de", on_delete: :cascade)
add_concurrent_foreign_key("users", "namespaces", column: "managing_group_id", name: "fk_a4b8fefe3e", on_delete: :nullify)
add_concurrent_foreign_key("users_ops_dashboard_projects", "projects", column: "project_id", name: "fk_rails_9b4ebf005b", on_delete: :cascade)
add_concurrent_foreign_key("users_ops_dashboard_projects", "users", column: "user_id", name: "fk_rails_220a0562db", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_feedback", "ci_pipelines", column: "pipeline_id", name: "fk_rails_20976e6fd9", on_delete: :nullify)
add_concurrent_foreign_key("vulnerability_feedback", "issues", column: "issue_id", name: "fk_rails_8c77e5891a", on_delete: :nullify)
add_concurrent_foreign_key("vulnerability_feedback", "merge_requests", column: "merge_request_id", name: "fk_563ff1912e", on_delete: :nullify)
add_concurrent_foreign_key("vulnerability_feedback", "projects", column: "project_id", name: "fk_rails_debd54e456", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_feedback", "users", column: "author_id", name: "fk_rails_472f69b043", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_identifiers", "projects", column: "project_id", name: "fk_rails_a67a16c885", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_occurrence_identifiers", "vulnerability_identifiers", column: "identifier_id", name: "fk_rails_be2e49e1d0", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_occurrence_identifiers", "vulnerability_occurrences", column: "occurrence_id", name: "fk_rails_e4ef6d027c", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_occurrence_pipelines", "ci_pipelines", column: "pipeline_id", name: "fk_rails_6421e35d7d", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_occurrence_pipelines", "vulnerability_occurrences", column: "occurrence_id", name: "fk_rails_dc3ae04693", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_occurrences", "projects", column: "project_id", name: "fk_rails_90fed4faba", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_occurrences", "vulnerability_identifiers", column: "primary_identifier_id", name: "fk_rails_c8661a61eb", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_occurrences", "vulnerability_scanners", column: "scanner_id", name: "fk_rails_bf5b788ca7", on_delete: :cascade)
add_concurrent_foreign_key("vulnerability_scanners", "projects", column: "project_id", name: "fk_rails_5c9d42a221", on_delete: :cascade)
add_concurrent_foreign_key("dependency_proxy_blobs", "namespaces", column: "group_id", on_delete: :cascade)
add_concurrent_foreign_key("dependency_proxy_group_settings", "namespaces", column: "group_id", on_delete: :cascade)
add_concurrent_foreign_key("jira_connect_subscriptions", "jira_connect_installations", column: "jira_connect_installation_id", on_delete: :cascade)
add_concurrent_foreign_key("jira_connect_subscriptions", "namespaces", column: "namespace_id", on_delete: :cascade)
remove_foreign_key_without_error("protected_tag_create_access_levels", column: :group_id)
add_concurrent_foreign_key("protected_tag_create_access_levels", "namespaces", column: :group_id, name: "fk_b4eb82fe3c", on_delete: :cascade)
end