SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function largestTriangleThreeBuckets (children 2)
     ExpressionList (children 2)
      Literal UInt64_0
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'1900-01-01 00:00:00\'
        Literal \'DateTime64\'
     ExpressionList (children 1)
      Literal UInt64_1
