Question Anna Golitsyna · Jun 6, 2025

Let's suppose two different routines use one and the same chunk of code. From the object-oriented POV, a good decision is to have this chunk of code in a separate class and have both routines call it. However, whenever you call code outside of the routine as opposed to calling code in the same routine, some execution speed is lost. For reports churning through millions of transactions this lost speed might be noticeable. Any advice how to optimize specifically speed?P.S. Whenever someone is talking about the best choice for whatever, I am always tempted to ask: "What are we optimizing?".

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Question Sourabh Choudhary · Jun 9, 2025

Hi All,

I am trying to build a very basic data transformation to convert messages from OML^O21 to ORM^O01. However, I'm unable to loop through multiple ORC segments.When I use the source document type 2.5: OML_O21, I am not able to loop through multiple lines of the ORC segment.Interestingly, if I use the source document type 2.3: ORM_O01, I am able to loop through multiple ORC segments successfully.I am currently using the following data transformation logic:

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Question Andrew McCrevan · Jun 5, 2025

How would you go about creating an SQL Stored Procedure that would result in the same output as "IN LIKE"?
For example...
CustomersTable

RecordId CustomerName
123 Mark Stevens
456 Betty Johnson
789 John Stevens
321 Brian Smith
654 John Markson
987 Tom Obrian
select *
from CustomersTable
where inLike('%Mark%', '%John%')

Would return:

123 Mark Stevens
456 Betty Johnson
789 John Stevens
654 John Markson
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Question TAZ.R · May 6, 2025

Hi everyone,

I’m new to this community and could really use some help with creating a production in InterSystems IRIS for Health Community 2024.3. I have deployed my instance using Docker.
Here’s what I’m trying to do:

  1. Input: I have an HL7 file that is processed by the standard EnsLib.HL7.Service.FileService.
  2. DTL Transformation: I’ve created a DTL to transform the HL7 content into a custom class like this:
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Article Evgeny Shvarov · Feb 15, 2020 5m read

Hi Developers!

As you know the concept of ObjectScript Package Manager consists of ZPM client - client application for IRIS which helps you to install packages from the registry. And the code which works "on the other side" is  ZPM Registry - server which hosts packages and exposes API to submit, list and install it. Now when you install the ZPM client it installs packages from community package registry, which si hosted on pm.community.intersystems.com

But what if you want your own registry? E.g. you produce different software packages for your clients and you want to distribute it via private registry?  Also, you may want to use your own registry to deploy solutions with different combinations of packages.

Is it possible? The answer is YES! You can have it if you deploy ZPM registry on your server with InterSystems IRIS.

To make it happen you would need to set up your own registry server.

How to do that?

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Announcement Anastasia Dyubaylo · Jun 7, 2025
Hello and welcome to the May 2025 Developer Community YouTube Recap.
InterSystems Global Summit
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Question Evgeny Shvarov · Jun 5, 2025

Hi IRIS experts!

I have a parameter in a class that stores a global name:

Parameter GlobalName = "^AGlobal";

then I'm trying to call it as:

set gn=$name(..#GlobalName)

to use it later as:

set @gn@("index")="value"

But! I'm having syntax at set gn=$name(..#GlobalName)

What am I doing wrong?

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Article Evgeniy Potapov · Feb 27, 2022 2m read

In the previous article, we told you about python and dashboard, and in this article I will compare them with each other.If you are just about to get started with visualization in Python, the number of libraries and solutions will definitely amaze you:

  • matplotlib
  • Seaborn
  • Plotly
  • bokeh
  • Altair
  • Folium

A visualization in some libraries, such as Matplotlib, is a simple static image, which is good for explaining concepts (in a document, on slides, or in a presentation).

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Announcement Anastasia Dyubaylo · Jun 3, 2025

Hi Community,

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

Winners' demo included!

Date & Time: Thursday, June 5, 11:30 am EDT | 5:30 pm CEST

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Question Scott Roth · Jun 4, 2025

Does anyone have a query that I could run to show a Vendor the time difference between when a message was sent out a BO, and when we received the HL7 ACK back that is associated with the message sent?

I am trying to prove to this vendor of the delay we are seeing getting the ACK back because of a Timeout

I know how to pull Ens.MessageHeader, and EnsLib.HL7.Message but not sure how to match up the Message with the HL7 Acknowledgement received.

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Question Evan Gabhart · Jun 4, 2025

I have a stream that I read out until the end. I then append more content to the stream and want to read out only what has been added. How do I only read out the new contents of the stream? Essentially, I want to read a stream, record the end position, then once the stream is updated read the contents from that recorded position until at the new end. This stream needs to be kept intact for historical reference so cannot be cleared between reads. Also, it needs to be read out at these separate times in this context to provide progress updates to the user as the time between these reads could be

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Article Alex Alcivar · Jul 28, 2024 6m read

For a long time I have wanted to learn the Django framework, but another more pressing project has always taken priority. Like many developers, I use python when it comes to machine learning, but when I first learned web programming PHP was still enjoying primacy, and so when it was time for me to pick up a new complicated framework for creating web applications to publish my machine learning work, I still turned to PHP. For a while I have been using a framework called Laravel to build my websites, and this PHP framework introduced me to the modern Model-View-Controller pattern of web

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Job Anthony Jackson · Jun 3, 2025

Summary:

Duties and Responsibilities:

Design and implement healthcare data integration solutions using the InterSystems platform /HealthShare platform, ensuring data interoperability across various healthcare systems.

Develop and maintain data mappings and transformations to ensure accurate data exchange between systems, leveraging IRIS API’s, HL7, FHIR, and other healthcare data standards.

Build and maintain interfaces to connect health information systems, including clinical applications, EHR, and other healthcare data sources.

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Question prashanth ponugoti · Feb 24, 2022

Hi Community,

I have created global with below values , now I want to iterate programatically.

^Book("Auto1","Properties","Color")="Red"
^Book("Auto1","Properties","Color1")="Yellow"
^Book("Auto1","Properties","Model")="SUV"
^Book("Auto2","Owner")="Prashanth"
^Book("Auto2","Properties","Color")="Green"
^Book("Color")="Red"
^Book("Color1")="Red"

i have used below method but only printing last2 elements properly

ClassMethod Iterate()
{
set subscript = ""
for {
set subscript = $order(^Book(subscript))
quit:(subscript = "")
write !, "subscript=", subscript, ", value=", ^Book(subscript)
}
}

Thanks,

Prashanth

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Question Satya Prasad Kalam · May 30, 2025

We're planning to use Production Validator for validating our system upgrade (2016.2.3 to 2024.2) , and we are trying to understand what kind of benchmarking or performance metrics others have observed during similar efforts.

Specifically, we are looking for a case study or real-world example that includes details like:

  • How many messages were validated?
  • How long did it take to create the temporary database from the source system?
  • How long did it take to run the comparison on the destination system?
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