performance: improvedd ash querying

docs/development-progress-log.md

@@ -329,6 +329,11 @@ end
 
 ---
 
+**PR #208:** *Show custom fields per default in member overview* 🔧
+- added show_in_overview as attribute to custom fields
+- show custom fields in member overview per default
+- can be set to false in the settings for the specific custom field
+
 ## Implementation Decisions
 
 ### Architecture Patterns
@@ -390,6 +395,7 @@ defmodule Mv.Membership.CustomField do
   attribute :value_type, :atom       # :string, :integer, :boolean, :date, :email
   attribute :immutable, :boolean     # Can't change after creation
   attribute :required, :boolean      # All members must have this
+  attribute :show_in_overview, :boolean # "If true, this custom field will be displayed in the member overview table"
 end
 
 # CustomFieldValue stores values