Include index name when reverting migration

db/post_migrate/20200922231755_remove_created_by_user_id_from_cluster_providers_aws.rb

@@ -4,6 +4,7 @@ class RemoveCreatedByUserIdFromClusterProvidersAws < ActiveRecord::Migration[6.0
   include Gitlab::Database::MigrationHelpers
 
   DOWNTIME = false
+  INDEX_NAME = 'index_cluster_providers_aws_on_created_by_user_id'
 
   disable_ddl_transaction!
 
@@ -18,7 +19,7 @@ class RemoveCreatedByUserIdFromClusterProvidersAws < ActiveRecord::Migration[6.0
       add_column :cluster_providers_aws, :created_by_user_id, :integer
     end
 
-    add_concurrent_index :cluster_providers_aws, :created_by_user_id
+    add_concurrent_index :cluster_providers_aws, :created_by_user_id, name: INDEX_NAME
 
     add_concurrent_foreign_key :cluster_providers_aws, :users, column: :created_by_user_id, on_delete: :nullify
   end

db/structure.sql

@@ -10701,6 +10701,7 @@ ALTER SEQUENCE cluster_projects_id_seq OWNED BY cluster_projects.id;
 CREATE TABLE cluster_providers_aws (
     id bigint NOT NULL,
     cluster_id bigint NOT NULL,
+    created_by_user_id integer,
     num_nodes integer NOT NULL,
     status integer NOT NULL,
     created_at timestamp with time zone NOT NULL,
@@ -19805,6 +19806,8 @@ CREATE UNIQUE INDEX index_cluster_providers_aws_on_cluster_id ON cluster_provide
 
 CREATE INDEX index_cluster_providers_aws_on_cluster_id_and_status ON cluster_providers_aws USING btree (cluster_id, status);
 
+CREATE INDEX index_cluster_providers_aws_on_created_by_user_id ON cluster_providers_aws USING btree (created_by_user_id);
+
 CREATE INDEX index_cluster_providers_gcp_on_cloud_run ON cluster_providers_gcp USING btree (cloud_run);
 
 CREATE UNIQUE INDEX index_cluster_providers_gcp_on_cluster_id ON cluster_providers_gcp USING btree (cluster_id);
@@ -23611,6 +23614,9 @@ ALTER TABLE ONLY alert_management_alert_user_mentions
 ALTER TABLE ONLY snippet_statistics
     ADD CONSTRAINT fk_rails_ebc283ccf1 FOREIGN KEY (snippet_id) REFERENCES snippets(id) ON DELETE CASCADE;
 
+ALTER TABLE ONLY cluster_providers_aws
+    ADD CONSTRAINT fk_rails_ed1fdfaeb2 FOREIGN KEY (created_by_user_id) REFERENCES users(id) ON DELETE SET NULL;
+
 ALTER TABLE ONLY project_security_settings
     ADD CONSTRAINT fk_rails_ed4abe1338 FOREIGN KEY (project_id) REFERENCES projects(id) ON DELETE CASCADE;