Thanks Greet.

Could you also let me know, from where could I get this lib module for download?


Thanks

Pragya

________________________________
From: [email protected] 
<[email protected]> on behalf of Geert Josten 
<[email protected]>
Sent: Thursday, July 14, 2016 12:33:57 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] XDMP-EXTIME errror

Hi Pragya,

You have both mem-updates, and xdmp:save inside the loop. So first of all, it 
is doing a save for each iteration through the loop. Secondly, doing that many 
mem-updates is a performance killer.

Move xdmp:save after the for-loops by doing something like:

let $_ := for …. return …
return xdmp:save(…)

And instead of using those mem-update functions, you could consider using this 
lib instead:

http://github-search.demo.marklogic.com/detail/ryanjdew/XQuery-XML-Memory-Operations.json

With that you build up a queue of edits first, and then run through them all at 
once.

Cheers,
Geert

From: 
<[email protected]<mailto:[email protected]>>
 on behalf of "Kapoor, Pragya" 
<[email protected]<mailto:[email protected]>>
Reply-To: MarkLogic Developer Discussion 
<[email protected]<mailto:[email protected]>>
Date: Thursday, July 14, 2016 at 8:53 AM
To: MarkLogic Developer Discussion 
<[email protected]<mailto:[email protected]>>
Subject: [MarkLogic Dev General] XDMP-EXTIME errror


Use Case:


We need to merge two XML files based on common element ID.

DocList.xml with size of 31 MB and other DocListExtra.xml of 8MB


The xquery code is giving Time Limit exceed error.


Code:

import module namespace mem = "http://xqdev.com/in-mem-update";
    at  "/rest-apis/utils/mem.xqy";

let $docList := fn:doc("/misc/DocList.xml")
let $extraList := fn:doc("/misc/DocListExtra.xml")

let $docExtra :=
let $docIDs := $docList//ID/text()
for $doc in $extraList
return
  $doc//DocumentExtra[./DocumentExtraID/text() = $docIDs]

 for $doc in $docList
 for $each in $docExtra
 let $x := $doc//Document[./ID/text() = $each/DocumentExtraID/text()]
  let $dummy := mem:node-insert-child($x,$each//CustomMetadata)
   return xdmp:save("/data/merged.xml",$dummy)


Please suggest.


Thanks

Pragya

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