Hi, Sorry for the misunderstanding.
On Tue, Mar 10, 2015 at 3:17 PM, Oleksandr Byelkin <sa...@montyprogram.com> wrote: > Hi! > > On 10.03.15 21:41, Justin Swanhart wrote: > >> No, >> >> You SAY the UDF can support them, but you neglect to point to a technical >> way how. >> >> If you want to return a row as an array, well, how do you add an item to >> a row outside of the UDF, remove one? How do you count the items in the >> row? How do you get an item by index? If you want to use internal >> Item_result, well, how do you access item functions without a THD? You >> can't get a THD in a UDF, except an opaque pointer to one, unless you pull >> in half the server and it isn't really "legal" to do so. How do you pass >> an array to a stored routine, how does the routine modify it, can routines >> return arrays or just UDF? Row as an array is a ludicrous hack. You can't >> even pass row to other functions. >> >> If you want a new UDF interface that can do those things, use a pluggable >> item function which I linked to the patch to. You absolutely can't change >> an unversioned binary interface like the existing UDF without risking >> server crash. >> >> So, if you want ARRAY to be returned by a UDF, you have to start with a >> new UDF interface. Again, pluggable item func are the right way to do it. >> >> >> It looks like you misunderstand me. > > I do not want something with UDF at all, I just mentioned that internally > there is something array-like and somebody who will do the task can be > aware of it. > > P.S.: But now I see that UDF interface should be changed due to problems > you mentioned. >
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