[MarkLogic Dev General] REST API call results in XDMP-UPDATEFUNCTIONFROMQUERY

Danny Sinang d.sinang at gmail.com
Wed Mar 11 12:27:56 PDT 2015


I tried prefixing my function declaration like this :

*declare* %rapi:transaction-mode("update")

as suggested in http://docs.marklogic.com/guide/rest-dev/extensions#id_17130
.

But I'm now getting this error :

XDMP-UNBPRFX: (err:XPST0081) Prefix rapi has no namespace binding.


Regards,
Danny


On Wed, Mar 11, 2015 at 3:00 PM, Danny Sinang <d.sinang at gmail.com> wrote:

> Hello,
>
> Whenever I make call to
>
>
> http://marklogic.mycompany.com:9042/v1/resources/resize?rs:width=300&rs:height=300&rs:uri=/2014/11/20/IC20141120.jpg
>
> I get this error message :
>
> <rapi:error xmlns:rapi="http://marklogic.com/rest-api"><rapi:status-code>
> 500</rapi:status-code><rapi:status>INTERNAL ERROR</rapi:status><
> rapi:message-code>XDMP-UPDATEFUNCTIONFROMQUERY</rapi:message-code><
> rapi:message>XDMP-UPDATEFUNCTIONFROMQUERY: Q{
> http://marklogic.com/rest-api/resource/resize}get#2($context,
> $service-params) -- Cannot apply an update function from a query. See the
> MarkLogic server error log for further detail.</rapi:message></rapi:error>
>
> I know this happens because of the xdmp:document-insert() call inside the
> code for that API call.
>
> My question is, is there a workaround for this ?
>
> I already tried wrapping the document-insert call with
> xdmp:spawn-function, but that didn't work either.
>
> Below is the code.
>
> Regards,
> Danny
>
>
> =======================================================================================
>
> *xquery version *"1.0-ml";
>
> *module namespace **local* = "
> http://marklogic.com/rest-api/resource/resize";
>
> *declare option **xdmp:update* "true";
>
> *declare function **local:get*(*$context* *as **map:map*, *$params*  *as *
> *map:map*) *as **document-node*()* {
>  *let **$image_server_root*  := "
> http://solrdev1.mycompany.com:7000/resize_image"
>  *let* *$uri*                := *map:get*(*$params*,"uri")
>  *let* *$width*              := *map:get*(*$params*,"width")
>  *let* *$height*             := *map:get*(*$params*,"height")
>  *let* *$resized_uri*        := *fn:concat*(*fn:substring-before*(*$uri*,
> ".jpg"),"_",*$width*,"_",*$height*,".jpg")
>  *let* *$resized_image*      :=
>   *if* (*xdmp:uri-is-file*(*$resized_uri*)) *then
>               *
>    *fn:doc*(*$resized_uri*)
>   *else                                      *
>    *let **$image*      := *fn:doc*(*$uri*)/*node*()
>
>    *let* *$image_name* := *fn:tokenize*(*$uri*,"/")[*last*()]
>
>    *let* *$temp_image* := *xdmp:http-put*(*fn:concat*(*$image_server_root*
> ,"/",*$width*,"/",*$height*,"/",*$image_name*,"?resized_uri=",
> *$resized_uri*), (), *$image*)[2]
>    *let* *$_* := *xdmp:spawn-function*(*function*() {
> *xdmp:document-insert*("/2014/11/20/danny.jpg", *$temp_image*,
> *xdmp:default-permissions*()) })
>    *return *
>    *$temp_image*
>
>  *let* *$mime_type* := *map:put*(*$context*,"output-types","image/jpeg")
>
>  *return document*{*$resized_image*}
> };
>
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