Query: sql_servers_for_network_virtual_network

with subnet_list as (
  select
    lower(s ->> 'id') as subnet_id
  from
    azure_virtual_network as v,
    jsonb_array_elements(v.subnets) as s
  where
    lower(v.id) = $1
    and v.subscription_id = split_part($1, '/', 3)
)
select
  lower(s.id) as sql_server_id
from
  azure_sql_server as s,
  jsonb_array_elements(s.virtual_network_rules) as rule
where
  lower(rule -> 'properties' ->> 'virtualNetworkSubnetId') in (select subnet_id from subnet_list);