new metric to track

_sql/actions_and_analytics/users/signups_by_date.sql

@@ -0,0 +1,15 @@
+
+-- User sign up histogram by method
+-- Since we don't have an index on created_at, we threshold by id
+-- Current ID count = 7578799 (September 28, 2024)
+select
+    date(created_at) as date,
+    case
+      when maybe_signup_method is null then 'email_password'
+      else maybe_signup_method
+    end as method,
+    count(*) as signup_count
+from users
+where id > 7200000
+and created_at >= NOW() - INTERVAL 60 DAY
+group by date(created_at), method