Support added in https://github.com/hasura/graphql-engine/pull/5719 Add customization options in the [Table basics -> tracking table](https://hasura.io/docs/latest/graphql/core/databases/postgres/schema/tables.html#tracking-tables) subsection Also mention possbility and extent of type customizations in the [Table basics -> generated types](https://hasura.io/docs/latest/graphql/core/databases/postgres/schema/tables.html#generated-graphql-schema-types) subsection