SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 3)
          ExpressionList (children 1)
           Identifier f.id
          TablesInSelectQuery (children 2)
           TablesInSelectQueryElement (children 1)
            TableExpression (children 1)
             TableIdentifier test_grace_hash (alias f)
           TablesInSelectQueryElement (children 2)
            TableExpression (children 1)
             TableIdentifier test_grace_hash (alias d)
            TableJoin (children 1)
             Function equals (children 1)
              ExpressionList (children 2)
               Identifier f.id
               Identifier d.id
          Literal UInt64_1000
