Merge branch '27777-drop-projects-ci_id-column' into 'master'

Resolve "Drop "projects"."ci_id" column"

Closes #27777

See merge request gitlab-org/gitlab-ce!27623

2 files changed, 28 insertions, 2 deletions

diff --git a/db/post_migrate/20190424134256_drop_projects_ci_id.rb b/db/post_migrate/20190424134256_drop_projects_ci_id.rb
new file mode 100644
index 00000000000..79fa9704f1f
--- /dev/null
+++ b/db/post_migrate/20190424134256_drop_projects_ci_id.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+# See http://doc.gitlab.com/ce/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class DropProjectsCiId < ActiveRecord::Migration[5.1]
+  include Gitlab::Database::MigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    if index_exists?(:projects, :ci_id)
+      remove_concurrent_index :projects, :ci_id
+    end
+
+    if column_exists?(:projects, :ci_id)
+      remove_column :projects, :ci_id
+    end
+  end
+
+  def down
+    add_column :projects, :ci_id, :integer
+    add_concurrent_index :projects, :ci_id
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 11230d4e691..de9e6f0b40d 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -1738,7 +1738,6 @@ ActiveRecord::Schema.define(version: 20190426180107) do
     t.string "import_type"
     t.string "import_source"
     t.text "import_error"
-    t.integer "ci_id"
     t.boolean "shared_runners_enabled", default: true, null: false
     t.string "runners_token"
     t.string "build_coverage_regex"
@@ -1777,7 +1776,6 @@ ActiveRecord::Schema.define(version: 20190426180107) do
     t.string "bfg_object_map"
     t.boolean "detected_repository_languages"
     t.string "external_authorization_classification_label"
-    t.index ["ci_id"], name: "index_projects_on_ci_id", using: :btree
     t.index ["created_at"], name: "index_projects_on_created_at", using: :btree
     t.index ["creator_id"], name: "index_projects_on_creator_id", using: :btree
     t.index ["description"], name: "index_projects_on_description_trigram", using: :gin, opclasses: {"description"=>"gin_trgm_ops"}