代码字段长度的问题

db/migrate/20191219120819_modify_description_for_hacks.rb

@@ -0,0 +1,10 @@
+class ModifyDescriptionForHacks < ActiveRecord::Migration[5.2]
+  def change
+    change_column :hacks, :description, :longtext
+    change_column :hack_codes, :code, :longtext
+    change_column :hack_user_lastest_codes, :code, :longtext
+    change_column :hack_user_codes, :code, :longtext
+    change_column :hack_user_debugs, :code, :longtext
+
+  end
+end