#ObjectScript

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InterSystems ObjectScript is a scripting language to operate with data using any data model of InterSystems Data Platform (Objects, Relational, Key-Value, Document, Globals) and to develop business logic for serverside applications on InterSystems Data Platform.

Documentation.

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Article Dmitrij Vladimirov · Jun 16 3m read

Starter collection of materials for beginners in InterSystems IRIS: InterSystems ObjectScript

Hi folks!
Our community is growing rapidly, and the knowledge base is incredibly vast. Whether you're a newbie, confused, and unsure where to start, or a seasoned IRIS veteran who occasionally forgets a few basic rules (it's normal and happens to everyone!), you'll find this brief overview of IRIS basics and all its wonders useful.
Here I'd like to begin a series of articles dedicated to this topic.
There will be eight main topics in total:

  1. InterSystems ObjectScript
  2. Build with REST APIs
  3. Managing Data Models
  4. Explore Integrated ML
  5. Interoperability & Integrations
  6. Introduction to IRIS HealthShare products
  7. Analytics & Business Intelligence
  8. Deployment & DevOps

Each of them will consist of four parts: Courses, Community articles, Documentation, Applications

This particular part will cover InterSystems ObjectScript. For your convenience, all categories will be hidden under a spoiler.
 

#InterSystems IRIS #Documentation #Learning Portal #Open Exchange #Beginner #Databases #MDX #ObjectScript #SQL #Tutorial
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Question Davi Massaru Teixeira Muta · Jun 2

Can't save ClassMethod [ Language = python ]

On save the ClassMethod:

ClassMethod create() [ Language = python ] {

 print("python") 

}

it has received the error : Compilation started on 06/03/2026 02:15:21 with qualifiers 'cuk /multicompile=0'

 ERROR #7802: Worker job/s '1078:17' unexpectedly shut down in group '#Default:(9119826733444):0'.

 ERROR #7802: Worker job/s '1078:17' unexpectedly shut down in group '#Default:(9119826733444):0'.  

 

with the compileFlags "cuk" the return is:

ERROR #7802: Worker job/s '1160:34' unexpectedly shut down in group '#Default:(6933525859080):0'.

#InterSystems IRIS for Health #ObjectScript #Python
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Article Jonathan Card · May 28 5m read

ClassMethods Are Not Your Friends

There seems to be a generous use of ClassMethods in ObjectScript code generally. I hope my own experiences aren't representative, but I bet they are. Forgive me for giving away the ending of this article, but in short: don't use them. Unless you can make a pretty convincing case that you have to, just never use them.1

What is a ClassMethod? In an ObjectScript class, you can define methods in two different ways: in a Method, you must instantiate an instance of the class to call the method, and in a ClassMethod, you can call the method without instantiating the class. Of course, in a ClassMethod, you don't have access to any properties of the object (because there's no object), but you can access globals (they are global, after all) and Parameters (which are class constants).

#InterSystems IRIS #Globals #ObjectScript #Testing
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Article Ben Schlanger · Jun 8 4m read

Selectively Aborting Messages from an Interoperability Queue

Back when I was a Developer Support Engineer in the InterSystems Worldwide Response Center (WRC), I would occasionally receive cases involving large message backlogs in a production. The customer would discover that a subset of queued messages were no longer useful and would ask a question similar to the following:

Is there an established best practice for mass-aborting messages in a specific component's queue that match a particular set of criteria?

#Ensemble #InterSystems IRIS #InterSystems IRIS for Health #API #Code Snippet #Interoperability #ObjectScript
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