Remove outdated ci db columns

Signed-off-by: Dmytro Zaporozhets <dzaporozhets@gitlab.com>

changelogs/unreleased/remove-deprecated-columns.yml

+---
+title: Remove outdated ci db columns
+merge_request: 54564
+author:
+type: changed

db/post_migrate/20210218105431_remove_deprecated_ci_builds_columns.rb

+# frozen_string_literal: true
+
+class RemoveDeprecatedCiBuildsColumns < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      remove_column :ci_builds, :artifacts_file
+      remove_column :ci_builds, :artifacts_file_store
+      remove_column :ci_builds, :artifacts_metadata
+      remove_column :ci_builds, :artifacts_metadata_store
+      remove_column :ci_builds, :artifacts_size
+      remove_column :ci_builds, :commands
+    end
+  end
+
+  def down
+    # rubocop:disable Migration/AddColumnsToWideTables
+    with_lock_retries do
+      add_column :ci_builds, :artifacts_file, :text
+      add_column :ci_builds, :artifacts_file_store, :integer
+      add_column :ci_builds, :artifacts_metadata, :text
+      add_column :ci_builds, :artifacts_metadata_store, :integer
+      add_column :ci_builds, :artifacts_size, :bigint
+      add_column :ci_builds, :commands, :text
+    end
+    # rubocop:enable Migration/AddColumnsToWideTables
+
+    add_concurrent_index :ci_builds, :artifacts_expire_at, where: "artifacts_file <> ''::text", name: 'index_ci_builds_on_artifacts_expire_at'
+  end
+end

db/post_migrate/20210218110552_remove_deprecated_ci_runner_column.rb

+# frozen_string_literal: true
+
+class RemoveDeprecatedCiRunnerColumn < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      remove_column :ci_runners, :is_shared
+    end
+  end
+
+  def down
+    add_column :ci_runners, :is_shared, :boolean, default: false unless column_exists?(:ci_runners, :is_shared)
+
+    add_concurrent_index :ci_runners, :is_shared
+  end
+end

db/schema_migrations/20210218105431

+b5ff5aeb9cef243165d9c40db7211f61a632edb6a189c09112ef069d267bf64d
\ No newline at end of file

db/schema_migrations/20210218110552

+7631c82f9762e643a4da9c03f3870ab1c97fae93da4975219d9ab7cd629720ec
\ No newline at end of file

db/structure.sql

@@ -10266,7 +10266,6 @@ CREATE TABLE ci_builds (
     runner_id integer,
     coverage double precision,
     commit_id integer,
-    commands text,
     name character varying,
     options text,
     allow_failure boolean DEFAULT false NOT NULL,
@@ -10279,14 +10278,11 @@ CREATE TABLE ci_builds (
     type character varying,
     target_url character varying,
     description character varying,
-    artifacts_file text,
     project_id integer,
-    artifacts_metadata text,
     erased_by_id integer,
     erased_at timestamp without time zone,
     artifacts_expire_at timestamp without time zone,
     environment character varying,
-    artifacts_size bigint,
     "when" character varying,
     yaml_variables text,
     queued_at timestamp without time zone,
@@ -10296,8 +10292,6 @@ CREATE TABLE ci_builds (
     auto_canceled_by_id integer,
     retried boolean,
     stage_id integer,
-    artifacts_file_store integer,
-    artifacts_metadata_store integer,
     protected boolean,
     failure_reason integer,
     scheduled_at timestamp with time zone,
@@ -10832,7 +10826,6 @@ CREATE TABLE ci_runners (
     description character varying,
     contacted_at timestamp without time zone,
     active boolean DEFAULT true NOT NULL,
-    is_shared boolean DEFAULT false,
     name character varying,
     version character varying,
     revision character varying,
@@ -21752,8 +21745,6 @@ CREATE INDEX index_ci_builds_metadata_on_build_id_and_id_and_interruptible ON ci
 
 CREATE INDEX index_ci_builds_metadata_on_project_id ON ci_builds_metadata USING btree (project_id);
 
-CREATE INDEX index_ci_builds_on_artifacts_expire_at ON ci_builds USING btree (artifacts_expire_at) WHERE (artifacts_file <> ''::text);
-
 CREATE INDEX index_ci_builds_on_auto_canceled_by_id ON ci_builds USING btree (auto_canceled_by_id);
 
 CREATE INDEX index_ci_builds_on_commit_id_and_stage_idx_and_created_at ON ci_builds USING btree (commit_id, stage_idx, created_at);
@@ -21916,8 +21907,6 @@ CREATE INDEX index_ci_runner_projects_on_runner_id ON ci_runner_projects USING b
 
 CREATE INDEX index_ci_runners_on_contacted_at ON ci_runners USING btree (contacted_at);
 
-CREATE INDEX index_ci_runners_on_is_shared ON ci_runners USING btree (is_shared);
-
 CREATE INDEX index_ci_runners_on_locked ON ci_runners USING btree (locked);
 
 CREATE INDEX index_ci_runners_on_runner_type ON ci_runners USING btree (runner_type);

spec/lib/gitlab/background_migration/migrate_legacy_artifacts_spec.rb

@@ -2,7 +2,7 @@
 
 require 'spec_helper'
 
-RSpec.describe Gitlab::BackgroundMigration::MigrateLegacyArtifacts do
+RSpec.describe Gitlab::BackgroundMigration::MigrateLegacyArtifacts, schema: 20210210093901 do
   let(:namespaces) { table(:namespaces) }
   let(:projects) { table(:projects) }
   let(:pipelines) { table(:ci_pipelines) }