ParallelWithQuery 2 InsertQuery__ (children 2)
 InsertQuery   (children 3)
  Identifier t0
  ExpressionList (children 1)
   Identifier c0
  SelectWithUnionQuery (children 1)
   ExpressionList (children 1)
    SelectQuery (children 1)
     ExpressionList (children 1)
      Literal UInt64_1
 TruncateQuery  t0 (children 1)
  Identifier t0
