Migration for #11440

db/migrate/20170202065955_add_collision_strategy_to_data_import.rb

@@ -0,0 +1,12 @@
+require 'carto/db/migration_helper'
+
+include Carto::Db::MigrationHelper
+
+migration(
+  Proc.new do
+    add_column :data_imports, :collision_strategy, :text
+  end,
+  Proc.new do
+    drop_column :data_imports, :collision_strategy
+  end
+)