InsertQuery   (children 2)
 Identifier summing_merge_tree_aggregate_function
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 4)
     Literal UInt64_1
     Literal UInt64_1
     Function uniqState (children 1)
      ExpressionList (children 1)
       Literal UInt64_2
     Function uniqExactState (children 1)
      ExpressionList (children 1)
       Literal UInt64_2
