InsertQuery   (children 2)
 Identifier t1
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 3)
     Function repeat (alias s1) (children 1)
      ExpressionList (children 2)
       Literal \'t\'
       Literal UInt64_15
     Literal \'test\' (alias s2)
     Literal \'test\' (alias s3)
