Add support for Active Storage attachments

[rails.git] / db / migrate / 20190702193519_create_active_storage_tables.rb

diff --git a/db/migrate/20190702193519_create_active_storage_tables.rb b/db/migrate/20190702193519_create_active_storage_tables.rb
new file mode 100644 (file)
index 0000000..1968b7b
--- /dev/null
+++ b/db/migrate/20190702193519_create_active_storage_tables.rb
@@ -0,0 +1,27 @@
+# This migration comes from active_storage (originally 20170806125915)
+class CreateActiveStorageTables < ActiveRecord::Migration[5.2]
+  def change
+    create_table :active_storage_blobs do |t|
+      t.string   :key,        :null => false
+      t.string   :filename,   :null => false
+      t.string   :content_type
+      t.text     :metadata
+      t.bigint   :byte_size,  :null => false
+      t.string   :checksum,   :null => false
+      t.datetime :created_at, :null => false
+
+      t.index [:key], :unique => true
+    end
+
+    create_table :active_storage_attachments do |t|
+      t.string     :name,     :null => false
+      t.references :record,   :null => false, :polymorphic => true, :index => false
+      t.references :blob,     :null => false
+
+      t.datetime :created_at, :null => false
+
+      t.index [:record_type, :record_id, :name, :blob_id], :name => "index_active_storage_attachments_uniqueness", :unique => true
+      t.foreign_key :active_storage_blobs, :column => :blob_id
+    end
+  end
+end