Hello again IRIS community,

We have officially released our InterSystems IRIS Developer Professional certification exam for beta testing. The beta test will be available until April 20, 2025. As a beta tester, you have the chance to earn the certification for free!

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Question
· Jan 2
Nested queries

Hi Guys,

This Nested query is not working for some reason, but they work fine when executing separately ?

select id from FDRD_Com.List where vehicle in (select Car from FDRD_Com.Prod where ProductLineName='Toyota' and Car is not null)

Thanks

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Hello My Friends,

I have a question how to use order by %DLIST, this is my code:

SELECT

$ListToString(%DLIST(DISTINCT MRDIA_ICDCode_DR->MRCID_Code),', ' ) ICDX,

$ListToString(%DLIST(DISTINCT (MRDIA_ICDCode_DR->MRCID_Desc || ' (' || MRDIA_DiagnosisType_DR->DTYP_Code || ')')),', ' ) Diagnose

FROM SQLUser.PA_Adm

LEFT JOIN SQLUser.PA_AdmInsurance ON (PAADM_RowID = INS_ParRef AND INS_Rank = 1)

LEFT JOIN SQLUser.PA_AdmPackage ON (PAADM_RowID = PACK_ParRef)

LEFT JOIN SQLUser.MR_Adm on MRADM_ADM_DR = PAADM_RowID

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Digital health solution providers face increasing pressure to integrate complex health data systems while ensuring scalability, security, and compliance with standards like HL7 FHIR. Fast Healthcare Interoperability Resources (FHIR) has revolutionized health data exchange by offering a standardized framework that allows diverse health IT systems to communicate effortlessly. But simply adhering to FHIR standards isn’t enough to overcome the intricacies of health data integration. Solution partners must leverage advanced architectural components like FHIR brokers, façades, and repositories to build scalable and efficient solutions. InterSystems offers all the essential features you need to implement FHIR for your health data, whether on-premises, in a public cloud, or as a cloud-based service managed by InterSystems.

Medical Science Hospital Lab Meeting healthcare

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I inherited some legacy MUMPS / ObjectScript code. A code review identified an exclusive NEW and that is not allowed per our coding standards.

The original code contains:

RUN(CALL,DRVNAME)
S $EC=""
S ^TMP($J,"RMPV","DRVNAME")=DRVNAME
N TMPFILE,OLDIO
S OLDIO=$IO
I $G(^TMP("RMPV","SILENT"),1) S IOP="NULL",%ZIS=0 D ^%ZIS I '$G(POP,1) U IO
D INIT^@DRVNAME
D ; scope variables
.N (DUZ,CALL) ; Protect %response
.S IOF="""""",IOM=80,U="^"
.D @CALL
U OLDIO
Q

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artisan cover

If you’ve ever watched a true artisan—whether a potter turning mud into a masterpiece or a luthier bringing raw wood to life as a marvelous guitar—you know that magic isn’t in the materials, but in care, craft, and process. I know this firsthand: my handmade electric guitar is a daily inspiration, but I’ll admit—creating something like that is a talent I don’t have.

Open Exchange app
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Hi Community!

We’re pleased to announce that several Early Access Programs (EAPs) are now open for registration. These programs provide developers with the opportunity to explore upcoming features and technologies from InterSystems before their general release.

By joining an EAP, you can:

  • Evaluate and test new functionality
  • Provide direct feedback to product teams
  • Help shape the future direction of InterSystems platforms

If you're interested in contributing to the evolution of our tools and getting early insight into what's coming next, we encourage you to review the following available programs and sign up:

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Hey Community!

We're happy to share the next video in the "Code to Care" series on our InterSystems Developers YouTube:

⏯ How Project BEST Transforms FDA Adverse Event Reporting with FHIR

https://www.youtube.com/embed/7w5Nx3khqCE
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When batch inserting data into a table via SQL, I can use the %NOCHECK keyword to avoid checking foreign key integrity. This would be appropriate for cases when the inserted data has been verified by some external process.

However, when inserting via objects, I don't see a way to get the same behavior. Are there any workarounds that use objects for this?

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Finishing my previous example for multiple IRIS instances, I tried
to compose a local single instance version. The step from the external
Python app to a version using embedded Python seemed to be obvious.
This was a wrong assumption, as some Python libraries just refused installation
into my local Windows-based environment.

Open Exchange app
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Hey Community!

We're excited to introduce a new way to interact with the Developer Community AI — you can now have a real conversation with it!

Instead of just asking one-off questions, you can chat with DC AI in a more natural, back-and-forth format. This way, whether you're exploring InterSystems technologies, debugging code, or learning something new, DC AI is here to help, just like a fellow developer.

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I have an Embedded Python method, which is essentially a call to one third-party module.

Most of the time, the method takes <0.1 seconds to execute, but sometimes it takes 30 or 60 seconds.

The server is relatively idle (20-30% CPU load).

How can I debug this issue further? Ideally, I want to know where this library spends the time. The library is mainly Python code (it's boto3, so it's not a Python C API proxy library).

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Hello,
In short, I am trying to get the Content-Length of my response,

We have a CSP application, when we get a new request we begin to process it, throughout the app we WRITE to the response in different places,
now when the response is about to be sent back to the client - we would like to know its Content-Length (in the RESPONSE HEADERS).
So it comes down to two questions:
1. How can we access the Content-Length of our response?

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Question
· Jan 7
xDBC error

Hi.

How can I prevent the error:

2024-12-27 08:05:46 [SQLCODE: <-400>:<Fatal error occurred>] [Error: <<READ>XDCall+9^%SYS.DBSRV>] [Location: <$system.IO server loop>] [Client info: <Username: Operator, Node Name: PM_MIP_SRD01, IP Address: 10.40.1.108, Executable Name: Operative.dll, Internal Function: KÂ>] [%protocol: <65>] $Id: //iris/2023.2.0/kernel/common/src/sysio.c#2 $ 3514 121

It seems that this error occours when connection on PDA is lost and established again.

Tnx.

Regards,
Matjaž

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Hi,

In a customer project we started enforcing the "Inactivity Limit" as defined in System-Wide Security Parameters. The customer would expect accounts to become Disabled after they have been inactive for the specified amount of days. However, that doesn't happen; it seems the Inactivity Limit is only established after logging in.

Furthermore, the account inactivity only starts being applied after the first login. Can you confirm that?

Lastly, for accounts that have been manually Disabled, and have an expired password, we see the following weird behavior:

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Window functions in InterSystems IRIS let you perform powerful analytics — like running totals, rankings, and moving averages — directly in SQL.
They operate over a "window" of rows related to the current row, without collapsing results like GROUP BY.
This means you can write cleaner, faster, and more maintainable queries — no loops, no joins, no temp tables.

In this article let's understand the mechanics of window functions by addressing some common data analisys tasks.

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A step by step implementation path to a cross regional stretched IrisCluster with Mirroring using the Intersystems Kubernetes Operator (IKO), Google Cloud Platform, and Tailscale.

I am giving this distraction the code name "Compliment Sandwich" for a reason yet to be realized, but I'd rather the community go right for the jugular shooting holes in a solution that implements wireguard based connectivity for our workloads in general, as I would like to refine it as a fall project leading up to KubeCon in Atlanta and if I miss the mark, Ill get it done before Amsterdam.

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Hi Community,

Let's meet at the online meetup with the winners of the InterSystems Developer Tools Contest! It's a great opportunity to chat with the InterSystems Experts team and our contestants.

Winners' demo included!

Date & Time: Friday, August 8, 11:30 am EDT | 5:30 pm CEST

https://www.youtube.com/embed/5_-6pHAXFJI?si=-vItyGfrjDHzdIMA
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Hey Community,

Enjoy the new video on InterSystems Developers YouTube:

⏯ SMART on FHIR: OAuthServer

https://www.youtube.com/embed/rkOAGBY1yUw
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