InsertQuery   (children 2)
 Identifier min_if
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 3)
     Literal Array_[UInt64_1] (alias arr)
     Literal \'2\' (alias str)
     Function toInt32 (alias int) (children 1)
      ExpressionList (children 1)
       Literal UInt64_3