Solution 1. Persists protected(ref) flag on ci_pipelines table. builds_for_shared_runner and builds_for_specific_runner read the flag instead of executing protected_for? one by one.

2 files changed, 16 insertions, 0 deletions

diff --git a/db/migrate/20170731132235_add_protected_to_ci_pipelines.rb b/db/migrate/20170731132235_add_protected_to_ci_pipelines.rb
new file mode 100644
index 00000000000..bc034f99609
--- /dev/null
+++ b/db/migrate/20170731132235_add_protected_to_ci_pipelines.rb
@@ -0,0 +1,15 @@
+class AddProtectedToCiPipelines < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_column_with_default(:ci_pipelines, :protected, :boolean, default: false)
+  end
+
+  def down
+    remove_column(:ci_pipelines, :protected)
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index be12fc07e81..df5755ff888 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -336,6 +336,7 @@ ActiveRecord::Schema.define(version: 20170824162758) do
     t.integer "auto_canceled_by_id"
     t.integer "pipeline_schedule_id"
     t.integer "source"
+    t.boolean "protected", default: false, null: false
   end
 
   add_index "ci_pipelines", ["auto_canceled_by_id"], name: "index_ci_pipelines_on_auto_canceled_by_id", using: :btree