SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 5)
   ExpressionList (children 6)
    Identifier s.size
    Identifier s
    Identifier t.a
    Identifier t.a.size
    Identifier t.b
    Identifier t.b.size
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_new_compact
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier all
   Literal UInt64_3
   Literal UInt64_2
