Announcement John Murray · Sep 6, 2019

We've just published an update to the Serenji extension for VS Code. Starting with this version (3.0.7) you can now debug the code that implements your REST services. Here's a taster:

Read more about Serenji on Open Exchange.

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Question Token Ibragimov · Feb 11, 2019

Hello,
Having difficulty with sending POST request.

How I can send parameters in the body of request, if i'm using ContentType:"application/x-www-form-urlencoded".

Version of ensemble: 2010

My code is bellow:

Set httpRequest=##class(%Net.HttpRequest).%New()
set httpRequest.SSLConfiguration="1"
Set httpRequest.ContentCharset="utf-8"
Set httpRequest.Server="test.oath.com"
Set httpRequest.Port=443
Set httpRequest.Https=1
Set httpRequest.Location = "/auth/key"
set httpRequest.ContentType="application/x-www-form-urlencoded"
Set httpRequest.ContentCharset="utf-8"    
do

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Question Evgeny Shvarov · Sep 6, 2019

Hi Developers!

Suppose I have a project where I want to build an IRIS container with two different dockerfiles depending on goals.  How can I make it?

The issue is that docker-compose is looking for the file with name 'dockerfile'

Are there any #IF constrations in a dockerfile syntax? 

Commenting works but sometimes it's more than one line.

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Question reinhard lebensorger · Sep 5, 2019

hi,

i have two where-clauses:

a)  ... WHERE company=1 and product=7

b)  ... WHERE product=7 and company=1 

with other words the position of the where fields are swapped.

now the question is:

bring the where clauses a) and b) the same performance(queryplan) or do i have to write it in a special order???

in my point of view, there is a  parser/optimizer who cares about this, so i don't have to care about. 

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Question Alex Kogan · Sep 5, 2019

Hello,

I have a small SQL question.  

Running an example queries in our Samples Namespace: 

1. select top 5 Description,Category from Cinema.Film order by Category - runs fine no issues and returns 2 columns as expected

2. select top 5 * from Cinema.Film order by Category - runs fine no issues and returns 8 columns as expected

3. select top 5 Description,Category,* from Cinema.Film order by ID - runs fine no issues, and returns 10 columns, with my first 2 repeated

4. When I try to combine the first 2 queries: 

select top 5 Description,Category,* from Cinema.Film order by Category

I get an error:

Ambigu

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Article Michael Cohen · Jan 26, 2017 3m read

The Management Portal allows you to Export one or more globals to a file that you can then Import into that or another namespace.  However, the Management Portal can only be used to export entire globals.  For exporting selected nodes or subtrees within a global, a different utility is necessary.   This utility is the Export() classmethod in the %Library.Global class, which can export an entire global but also has the ability to export selected nodes or subtrees.

For example, consider this global named ^DATA:
^DATA(1)="ONE"
^DATA(1,2)="twelve"
^DATA(1,2,3)=123
^DATA(1,"two")="three"
^DATA(2)="TWO"
^D

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Question Scott Roth · Sep 5, 2019

Currently we are using Health Share 2015.2.2, and looking to upgrade to the latest version in the next month.

From what I understand we have to upgrade to 2017 or 2018 prior to going to 2019.1 since 2019.1 is on the IRIS platform.

In trying to outline my steps in the upgrade process I came up with a question.

  • Can a Full System Backup from 2015.2.2 be restored into 2019.1?
  • Do I have to restore the 2015.2.2 back up into 2017 or 2018, then do the 2019.1 conversion?

Has anyone had experience with this? or should I open a ticket with WRC?

Thanks

Scott Roth

The Ohio State University Wexner Medical

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Question Jerry Petrole · Sep 5, 2019

Hi all,

We just encountered an instance of a result set RS and while looping through the results,  RS is getting overwritten when method 1 calls out to method 2 (in the same class).  Method 2 creates it own result set also named RS.     

This code is several years old and never had this problem.    When I changed the name of the result set variable in method 1 the problem cleared up.  

I though that variables were automatically 'newed' in classmethods. ???

We also recently upgrade to the latest Cache version from a much older version.

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Question Jose Antonio Benitez · Apr 11, 2019

Hi, I have used CSP to exec SQL selects from  any own NAMESPACE. But in our servers we have many SQL GATEWAY CONNECTIONS.

I'd like to create a CSP page that could use these gateway to exec SQL using these gateway connections, only Administrators will use that page to launch many select at many dsn. I'm not sure if we must deploy that CSP on %SYS namespace and how to use DSN(SQL Gateway connections) that are defined on server.

Anoyone has made that?

For example:

DSN CLIENT ONE

DSN CLIENT ONE

CSP Webpage:

TEXTBOX: Introduce your select:

select count(*) from product where stock<100 

OPTION BUTTON:

*CLIENT

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Question John Hotalen · Jun 7, 2019

Hello Cache Developers!  The purpose for this post is to outline a coding challenge that I have encountered when trying to use shortcuts (i.e. CTRL+G) within a ZEN application.   Allow me to provide a summarized background:

Our application has a ZEN page (call it the PPL page) with a tablepane that displays a list of records.   This page also has an iFrame (#1)

  • The tablepane allows the user to select one or more rows from the table and will click one of the appropriate buttons on that page to invoke a looping process that allows the user to work each of the selected records one-by-one.  
  • Based
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Question Kurro Lopez · Sep 4, 2019

Hello everyone,

We have a process that is listening to an FTP service to collect some CSV files and process them. The process works correctly and when it ends it clears the directory waiting for it to enter some other file.

We have been receiving the following error message for a long time:

ERROR <Ens>ErrGeneral: Error in SFTP Dir() ERROR #7500: Error DirEnum SSH '-2146430967': 'SSH Error [80101009]: Would block waiting for status message [80101009] at SFTP.cpp:150,0

This happens when there are no files to process and appears from time to time, maybe every 20 minutes.

The adapter configuration is

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Question Massimo Sebastiani · Sep 4, 2019

Hello, has anyone tried to use Caché as a reverse proxy ?

We are trying to embed a dashboard server (Plotly Dash in this case, but it could be anything which runs on its application server) inside our application which is written in Caché.  
The dashboard/report server runs locally (for example, or inside a LAN) on port 8080, and has no authentication features, so we have to implement them on a different layer, and we'd like to use Caché for it.

We'd like to hide the dashboard server (port 8080 not exposed), and use it behind Caché, this way (putting it as simple as possible):


Caché should pass

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Announcement Anastasia Dyubaylo · Sep 4, 2019
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Article Nikita Savchenko · Jan 5, 2019 6m read

This article introduces InterSystems iKnow Entity Browser, a web application which allows to visualize extracted and organized text data mined from a large number of texts, powered by InterSystems iKnow technology, which is also known as InterSystems Text Analytics in InterSystems IRIS. Feel free to play with the demo of this tool or learn more about it on InterSystems Open Exchange.

I started the development of this project in late 2016. From now on, my iKnow Entity Browser is used around the world by those who use InterSystems technology in their stack and those who do text mining.

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Question ED Coder · Aug 30, 2019

Hi, Is there a way to count the number of segments in a HL7 Mesage? I tried the examples from the other answers but nothing works for me.

I am writing a function to get the last OBX segment field value 5. Below is a sample screenshot of what I want.

The number of obx segments can change, so I want to count the last obx segment and then get the field 5 value.

Would appreciate some guidance on this.

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Announcement Anastasia Dyubaylo · Sep 3, 2019

Hi Community!

We are super excited to announce the Boston FHIR @ InterSystems Meetup on 10th of September at the InterSystems meeting space! 

There will be two talks with Q&A and networking. 

Doors open at 5:30pm, we should start the first talk around 6pm. We will have a short break between talks for announcements, including job opportunities.

Please check the details below.

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Question Dmitrii Kuznetsov · Sep 1, 2019

OAuth server to be deployed on the IRIS learning cloud platform. Clients - one on the other instance of the learning IRIS server, the other client locally on my computer in the container docker.

Both clients get a seemingly correct link (through ##class(%SYS.OAuth2.Authorization).GetAuthorizationCodeEndpoint()) to the login request form:  

https://52773b-62955584.labs.learning.intersystems.com/oauth2/authorize?response_type=code&client_id=nHCv5A-u_5T1YAwk_tJ7xpi1ky-s2AnRQMaL6YHsUgU&redirect_uri=https%3A//52773b-99792125.labs.learning.intersystems.com/csp/sys/oauth2/OAuth2.Response.cls&scope=scop

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Question Tey Kitthajaroenchai · Aug 29, 2019

Hi, I’m trying to setup a Business Operation where the Property is a drop down list of Strings.  I was able to produce the desired effect but only using a hard coded list like Property LookupProp As %String(VALUELIST = ",value1,value2").  Instead I would like it to be populated from lookup table so I created a method to use SQL to fetch the result set from a Lookup table and then return it as the desired string. But doesn't allow me to do declare the property using the method like this: Property LookupProp As %String(VALUELIST = ##class(MyClass).GetLookupValues());

ClassMethod GetLookupValues()

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Article Maks Atygaev · Sep 6, 2017 5m read

The DeclarativeCOS project is a heartfelt cry about programming in the COS language.

The purpose of the project is to draw attention of the public to improving the inner core of COS.

The idea of the project is the support of a laconic syntax for cycles and collections.

So what is this laconic something that I have come up with? Welcome to the examples below!

Examples

The key concept underlying the project is the declarative approach to writing code. You need to specify WHAT should be used and HOW.

I have personally always longed for a simple operator/command/magic spell in the COS terminal that

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Announcement Evgeny Shvarov · Sep 3, 2019

Hi Developers!

This is the digest of new solutions and applications submitted to InterSystems OpenExchange in August 2019!

ToolBox-4-Iris by Richard Zimmermann

API for InterSystems IRIS with a collection of handy and useful tools

iris-history-monitor by Henrique Gonçalves Dias

IRIS History Monitor - monitoring visualization tool for InterSystems IRIS

Nested Set Model by Nikolay Soloviev

Nested Set Model implementation for ObjectScript

SOLID Design with ObjectScript by Sourabh Sethi

Training and Codeset of SOLID Design in ObjectScript

Samples-ObjectScript by Joel Solon

ObjectScript samples for use with the ObjectScript tutorial. Meant for use with InterSystems IRIS Data Platform.

Object Synchronization by Jose Tomas Salvador

Sample project to play with IRIS Object Synchronization feature

Https-Proxy-IRIS-Docker by Guillaume Rongier

Sample of an Https proxy for Intersystems Iris with docker

iris-webgateway-example by Dmitry Maslennikov

Example of containerised IRIS with separate Apache and WebGateway

iris-mirror-with-docker by Dmitry Maslennikov

Docker compose environment with demo IRIS configured with Mirroring

Fast & Informative WEB API/Proxy by Sourabh Sethi

Informative and Fast WEB API VIA ObjectScript and Ensemble/HealthShare

PivotSubscriptions by Peter Steiwer

Subscribe to Pivot Tables in InterSystems IRIS Business Intelligence to receive scheduled emails

ObjectScript Package Manager by Evgeny Shvarov

Package Manager for InterSystems IRIS

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Question Matthias Ruckenbauer · Aug 29, 2019

Hi folks,

My fist post here and a tricky question right away!

I have a remote MySQL database table ("SomeData"; not under my control), and a Caché-class (remote.SomeDataAccess) linked to it via ODBC using the link table wizard.

The remote table has a field "id" which is the primary key and an autoincrement bigint value. This has been considered in the setup and the generated class has an

Index MainIndex On id [ IdKey ];

which looks fine to me. The storage is

Storage GSQLStorage{<StreamLocation>^remote.SomeDataAccessS</StreamLocation><Type>%CacheSQLStorage</Type>}

For the most part this

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Article Richard Zimmermann · Aug 21, 2019 2m read

Hello everyone,
After some work with IRIS we want to share our ToolBox-4-Iris with you.

What is this about?

The ToolBox-4-Iris is an API for IRIS with a collection of handy and useful tools - features that are not available in IRIS, but greatly simplify application development. To save time and effort on the "typical tools" that every developer needs. This includes additional classes, individual methods or even more efficient macros, which are described in the respective packages.

Content

Macros
General ObjectScript macros, Status macros, National Language Support macros, and JavaScript macros.

Data

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