What will be the multiplexed sql query look like for subscriptions?

[sravand123]

subscription sub1{
  users(where:{id:{_eq:2}}){
    id
  }  
}

subscription sub2{
  users(where:{id:{_eq:1}}){
    id
  }  
}

How does the multiplexed SQL query looks like,
Does hasura uses UNION ALL to combine SQL statements of similar queries?