update analytics queries

_sql/actions/user_access/sync_user_studio_flags.sql

@@ -0,0 +1,15 @@
+-- noinspection SqlDialectInspectionForFile
+-- noinspection SqlNoDataSourceInspectionForFile
+-- noinspection SqlResolveForFile
+
+-- Find users with studio flags.
+select username from users where maybe_feature_flags  like '%studio%';
+
+-- Sync the top-level boolean with the authoritative feature flags field.
+-- Performs a full table scan and string search, but is relatively quick.
+-- NB: Can't use users in the subquery:
+-- ERROR 1093 (HY000): You can't specify target table 'users' for update in FROM clause
+UPDATE users u INNER JOIN users uf
+ON u.token = uf.token
+SET u.can_access_studio = true
+WHERE uf.maybe_feature_flags  like '%studio%';