SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 2)
    Function max (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t0 (alias t0)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t1
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier t0.c0
        Identifier t1.c1
   Literal UInt64_1
