Hi! I am working in a java project (Spring Boot+ Maven + Hibernate) using jpa/hibernate to manage the persistance with the IRIS database from the Docker image (store/intersystems/iris:2019. and I've found an issue using the IRIS instance, when I define tables with relationships OneToMany, ManyToOne or ManyToMany and I try to fetch all the rows of the tables using the default method findAll (JpaRepository implements that method to get all the rows by default) the query automatically exceeds the limit of licenses availables.

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I am taking the 'Creating an InterSystems Class Definition' course, and the Exercices asks to open a Terminal from the Management Portal to create and interact with a new object. I didn't found how to acces tot the Terminal from the Management Portal, and the documentation I have seen doesn't help me... sad

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This is not an issue in ObjectScript, due to its typeless nature. But it's essential for external programming languages that care a bit more about types of variables.

And in any case, it's still reproducible in ObjectScript. I have table

CREATE TABLE some_table (
        id INTEGER NOT NULL, 
        x INTEGER, 
        y INTEGER, 
        z VARCHAR(50), 
        PRIMARY KEY (id)

And data

INSERT INTO some_table (id, x, y, z) VALUES (1, 1, 2, 'z1');
INSERT INTO some_table (id, x, y, z) VALUES (2, 2, 3, 'z2');
INSERT INTO some_table (id, x, y, z) VALUES (3, 3, 4, 'z3');
INSERT INTO some_table (id, x, y, z) VALUES (4, 4, 5, 'z4');

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(I wasn't able to find this in the docs or the Community, so feel free to point me to a reference that I missed)

How can I determine the effective User and Group that will be used when an InterSystems IRIS process is doing file I/O on the file system for UNIX? Bonus points if you can tell me how to do it from within InterSystems IRIS as well as from the host OS.


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Peter Stordiau · Feb 20, 2022
Maximum Global Size ?

Dear people,

I (really) spent hours on finding the maximum size a Global is allowed to be (for Windows, if that matters). All I seem to run into are database sizes (derived from a max number of blocks and block size), but I refuse to believe that is correct because too small to be realistic. surprise

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We will receive an ORM message in Business Service in Iris. From that ORM, an ADT^A31 message will be generated and sent out to the EMR before the ORM message is sent out. The ORM message has to wait until Iris receives an acknowledgement from the EMR indicating the ADT message was received. Then, the ORM message will be sent to the EMR. What do I need to set up to hold the ORM message until the acknowledgement is received?

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Quite a complex scenario we are trying to solve but should be able to understand.

We're developing a task executer that runs on a server with a certain timezone.

The tasks run every day at a defined time, but in different timezones.

We're saving in database at what time we want to execute the task, and in what timezone (don't go to the save in UTC pitfall, as with DST it will be at different times)

What I want to do if when opening a task from the database, convert 02:00 Europe/Madrid, either to UTC or to local (server) time.

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Hi all,

I am trying to delete an item from a production through a routine that installs and disables items.

To add any item, I have no problems, even to enable and disable some particular items.

The problem arises when I try to eliminate the production item, because when it does, the production become unstable and only works again when this item is added again in the collection (or the item is deleted manually in the production.cls)

This is my code attempt:

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Oliver Wilms · May 27, 2020
Read data from Excel


I work as a contractor for the Department of Veterans Affairs. I want to read data from an Excel workbook. I searched posts here and saw Apache POI suggested. I believe Apache POI is not approved for use within VA. I also believe we should be able to run SQL query against Excel. Has anybody done such a thing or are there other ways to read data from Excel workbooks?


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Marcio Coelho · Nov 30, 2021
Iris vs Java

Hello. I'm having problems migrating a java application that is running with cache 2018 to Iris
The application uses json generated by the cache to receive it as a string in java.

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Starting installation
Starting up InterSystems IRIS for loading...
../bin/irisinstall -s . -B -c c -C /usr/irissys/iris.cpf*IRIS -W 1 -g2
Starting Control Process
Unable to allocate 242 MB shared memory...
Unable to allocate 232 MB shared memory...
Configuring minimum system...
Unable to allocate 139 MB shared memory...
Unable to allocate shared memory minimum of 139MB (errno=22)
Startup aborted.
Startup error. See messages.log for more information.
Call InterSystems Technical Support if you need assistance.

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phillip jack · Apr 2, 2022
Subscript with double quoted

Hi Team,

I would like to save the array subscript with in double quotes

eg sub1=111,sub2=444 (these values are dynamic)

set array(sub1,sub2)=""

It will be saved as array(111,444)=""

but I want to save it as array("111","444")=""

I am trying to save it from the class like """"_sub1_"""" but its not displaying as expected.

Kindly do the need full.

Thanks in Advance

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The "Download Caché Evaluation" at the top of this forum takes the user to a page that only allows her to download versions of IRIS. What am I missing here? Does IRIS encompass Caché? I've wandered around both on the main website and in the Developer Community site looking for a way to only get Caché... Very frustrating.

I appreciate any help you all can provide. Thanks!

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I need to know if given package exists or not.

Currently found two solution - one doesn't work, another works but I don't like it.

Solution 1.

I started, of course, with %Dictionary package - it has PackageDefinition class after all.

However, %ExistsId returned 0 on packages that clearly do exist, so I went to %LoadData, it uses this macro to determine if the package exist:

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It's well-known among Studio users that besides few predefined code fragments (for ObjectScript, Basic, MV Basic) it's possible to add user-defined code fragments. I found it rather convenient to use them as patterns that help to follow some conventions (internal standards) of writing, say, methods descriptions.

But I didn't find a way how to share these patterns, except dumb copy-pasting. Did somebody succeed with this task? Any help would be appreciated.

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Does anyone know of a relatively quick and straightforward way of converting code written in the old dot scoping syntax with argumentless do (see here for reference: https://docs.intersystems.com/latest/csp/docbook/DocBook.UI.Page.cls?KEY=RCOS_cdo_legacy) to the modern parentheses scoping syntax? It's not too bad to do it by hand, but it's also easy to make a mistake and leave a "quit" in an if statement by accident for example.


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Is it possible to retrieve the SQL-Executing process ID (PID) from a process spawned from a UNION %PARALLEL? I have a value set in the SQL-Executing process that I need to replicate in the UNION %PARALLEL spawned process(es). The SQL-Executing process writes the value to a global subscripted by its PID so determining the SQL-Executing PID from the spawned process is what I need. I expected $ZPARENT from the spawned process would hold the SQL-Executing PID but the PID returned is different.

With thanks,

Michael Hill

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Hi All, We have been using DeepSee which has been the integrated Analytic Dashboard built over Cache Cubes. It works fine but it's visual capabilities are limited and most probably is getting phased out. If I am not wrong, Tableau is the suggested alternative to DeepSee . It is expensive and a big and considerable shift from existing technology I wanted to get an opinion of the community as to these few key points - What other BI tools others have been using with IRIS and what have been their experience - For which tools are the best inbuilt support / api's avaialble in IRIS

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Under the previous python binding method (Cache) it was possible to pass in parameters, execute a class query, and fetch the result sets. I have been unable to find a way to do this via PYODBC or the Native API (perhaps I am just missing something).

My work around is to create a SQLquery string and execute it through a cursor. I would much prefer to simply execute the debugged and more secure class queries that already exist and and have been precompiled.

Any pointers would be greatly appreciated



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