InsertQuery   (children 2)
 Identifier t1
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 3)
     Function rand (children 1)
      ExpressionList
     Literal UInt64_2
     Function repeat (children 1)
      ExpressionList (children 2)
       Literal \'aaa\'
       Literal UInt64_1000000
