You need to throw an error to abort the whole transaction. Call fn:error from
the catch block.
//Mary
On Sep 27, 2016 10:57 PM, "Jain, Abhishek" <abhishek.b.j...@capgemini.com>
wrote:
Hi Greet,
I tried to implement pre-commit solution. In my action module I am trying check
if input xml adheres to xml my predefined xml schema
Then only it should commit the file if not it should fail.
In order to do so, I am written pre-trigger action module as follows –
xquery version '1.0-ml';
(: evaluate this against the database specified
in the trigger definition (test in this example)
:)
xdmp:document-insert("/modules/log.xqy",
text{ "
xquery version '1.0-ml';
import module namespace trgr='http://marklogic.com/xdmp/triggers'
at '/MarkLogic/triggers.xqy';
declare variable $trgr:uri as xs:string external;
try { (xdmp:log(fn:concat('*****Document ', $trgr:uri, ' was created.*****')),
let $root := fn:doc($trgr:uri)/*
return $root)
}
catch ($e) { 'Validation failed: ', $e/error:format-string/text() }
"}, xdmp:permission('app-user', 'execute'))
My question is how do I force commit to fail. I tried returning fn:false() in
above try block but it doesn’t work.
What should I return in try block to prevent ingestion. May be a silly one but
I am not getting around it.
Thanks,
Abhishek Jain
From: general-boun...@developer.marklogic.com
[mailto:general-boun...@developer.marklogic.com] On Behalf Of Jain, Abhishek
Sent: Wednesday, September 21, 2016 8:26 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Validate XML documents while ingesting and
maintain logs of failed documents #CGO#
WARNING: Kindly be aware the Sender Address on this mail may be forged. It
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performing actions mentioned in this mail.
Thanks for the quick input, just had a look at pre-commit trigger, looks like
a solution, will give it a try.
MLCP/pre-commit will do, Writing off CPF solution for post-commit over-head
reason, As I need to upload 1 TB Data.
Thank a lot.
[Email_CBE.gif]Abhishek Jain
Associate Consultant
Capgemini India | Hyderabad
From:
general-boun...@developer.marklogic.com<mailto:general-boun...@developer.marklogic.com>
[mailto:general-boun...@developer.marklogic.com] On Behalf Of Geert Josten
Sent: Wednesday, September 21, 2016 6:53 PM
To: MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] Validate XML documents while ingesting and
maintain logs of failed documents #CGO#
Hi Abhishek,
Sounds right overall. An MLCP transform gives some flexibility when you want to
validate or not. If you want to enforce it more strictly, you can use a
pre-commit trigger, and deny commit if it doesn’t validate by (re)throwing an
error (or not catching the validate error).
I would recommend using a pre-commit trigger over CPF if it is only for
validation. CPF comes with extra overhead, and actions run in post-commit too.
You would not be able to prevent inserts, but only able to flag docs as being
invalid..
Cheers,
Geert
From:
<general-boun...@developer.marklogic.com<mailto:general-boun...@developer.marklogic.com>>
on behalf of "Jain, Abhishek"
<abhishek.b.j...@capgemini.com<mailto:abhishek.b.j...@capgemini.com>>
Reply-To: MarkLogic Developer Discussion
<general@developer.marklogic.com<mailto:general@developer.marklogic.com>>
Date: Wednesday, September 21, 2016 at 3:03 PM
To: "general@developer.marklogic.com<mailto:general@developer.marklogic.com>"
<general@developer.marklogic.com<mailto:general@developer.marklogic.com>>
Subject: [MarkLogic Dev General] Validate XML documents while ingesting and
maintain logs of failed documents #CGO#
Hi Folks,
I’m working on a use-case where I need to ingest bulk documents into Marklogic,
only those documents which adhere to predefined ( have written my own)
XML schema should be loaded into DB. If fails then details should be written in
a log file. My approach to achieve this so far is :
1. Create an XSD.
2. Write a MLCP transformation module or content processing framework
module
3. Validate content of each document inside the module and using try …
catch block
4. If content is valid - insert , if not write to failed list (logs)
Am I going right ?
Can anyone share with me the best approach ?
Is there any other way of doing this than mlcp and CPF ?
Thanks and Regards,
[Email_CBE.gif]Abhishek Jain
Associate Consultant
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