Function mz_adapter::coord::introspection::check_cluster_restrictions

pub fn check_cluster_restrictions(
    cluster: &str,
    catalog: &impl SessionCatalog,
    plan: &Plan
) -> Result<(), AdapterError>

Checks if we’re currently running on the MZ_INTROSPECTION_CLUSTER, and if so, do we depend on any objects that we’re not allowed to query from the cluster.