Caché

InterSystems Data Platforms products allow you to export and import security settings in two different ways.

This article talks about those options:
- On the command line, using ^SECURITY
- Programmatically, using the Export and Import methods of classes in the Security package

Exporting settings on the command line (^SECURITY)

You can export everything or individual sections of the security settings.

Last comment 22 November 2019
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We have a SOAP web service that we call to retrieve a stream of a PDF file. The web service is written by another group in our company (not a Cache group). We are running into one issue where it seems that the PDF is too big and when it is sent to us we get this "ERROR #6301: SAX XML Parser Error: <STORE>". The stream is about 8mb. This is the first time that we have encountered this issue.

We have a WRC ticket open about this but doing some research, we found that if we increase the $ZSTORAGE then we no longer get this error when we call the web service for this 8mb file.

Last answer 22 November 2019 Last comment 22 November 2019
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Class Queries in InterSystems IRIS (and Cache, Ensemble, HealthShare) is a useful tool that separates SQL queries from Object Script code. Basically, it works like this: suppose that you want to use the same SQL query with different arguments in several different places.In this case you can avoid code duplication by declaring the query body as a class query and then calling this query by name. This approach is also convenient for custom queries, in which the task of obtaining the next row is defined by a developer. Sounds interesting? Then read on!

Last comment 22 November 2019
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ENSTEMP was addressed already some time ago; 
Article: Preventing Globals From Getting Journaled (Continued from How do I Minimize My Journals)

and is also in public documentation
Where InterSystems IRIS Stores Temporary Production Data

Though I'd like to understand if this is just naming a non-journaled DB
or are there also typical features of CACHETEMP / IRISTEMP related to it:

  • automatic clean-up at system startup 
  • keeping Global Buffers in memory as long as possible
  • late writing to the storage file 

In other words is it a 2nd, 3rd, .. fully feature blown IRISTEMP  ?  

Last answer 21 November 2019
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I face the challenge to have a bunch of classes on IRIS and CACHÉ in parallel
until all systems are migrated to IRIS.

Applying changes in Caché development environment and moving  to IRIS is no problem

But if I have to apply a fix on IRIS there seems to be no clean way back to Caché. 

Last answer 19 November 2019 Last comment 19 November 2019
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Hi

I've got a string variable which I need to convert into a XML one.

My main goal here is to use the XML bit I've extracted from a HTML file in a message I need to pass over to an operation.

I'm doing the following which always errors

classMethod WriteNodes(myfile As %String)
{
    Set status=##class(%XML.TextReader).ParseString(myfile,.reader)

....

Any easy way of making this happen?

Kind regards

Last answer 22 February 2019 Last comment 21 November 2019
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Hello InterSystems Community,

We're excited to announce that we've completed our first Open Exchange submission for InterSystems platforms.

BridgeWorks VDM is an ad hoc reporting and graphical SQL query builder application that was designed for any user who needs access to their SQL projections in InterSystems Caché, InterSystems IRIS, InterSystems IRIS for Health databases as well as access to InterSystems DeepSee and InterSystems IRIS BI Cubes with minimal SQL scripting experience.  

VDM features:

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Hi everyone. I'm new to cache, and i  was looking for a command who reads a .txt file and store the informations in variables. I've found on the documentation the EnsLib.SQL.SNapshot class, and, even if i'm not sure if that's what i need, when i run the code it says that the class doesn't exist, but i couldn't find the right superclass to extend.

 

Last answer 20 November 2019 Last comment 19 November 2019
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Easily transform a CSV file into a personalized preview of DeepSee - InterSystems BI

AnalyzeThis can be found on InterSystems Open Exchange. Use the Download link to navigate to GitHub and begin installing the project. Follow the “Installation” section of the GitHub README.

Last comment 20 November 2019
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InterSystems IRIS supports a unique data structure, called globals, for information storage. Essentially, globals are persistent arrays with multi-level indices, having several extra capabilities—transactions, quick traversal of tree structures, and a programming language known as ObjectScript.

I'd note that for the remainder of the article, or at least the code samples, we'll assume you have familiarised yourself with the basics of globals:

Last comment 20 November 2019
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Hello Everyone,

I'm want to know, what is more common for your company to use, the abbreviation syntax or the complety name of commands, and why?

Ex. 

S VAR=10 / D FUNC^ROUTINE F 1:1:1000

Set VAR=10 / Do Func^Routine / For 1:1:1000

set var=10 / do func^routine / for 1:1:1000

Here in my company, we are familiar with the abbreviation syntax, because to spell is more faster.

Last answer 29 October 2019 Last comment 20 November 2019
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Hi developers!

I just want to share with you the knowledge aka experience which could save you a few hours someday. 

If you are building REST API with IRIS which contains more than 1 level of "/", e.g. '/patients/all'  don't forget to add parameter 'recurse=1' into your deployment script in %Installer, otherwise all the second and higher entries won't work. And all the entries of level=1 will work.

/patients

- will work,  but

/patients/all

- won't.  

Here is an example of CSPApplicatoin section which fix the issue and which you may want to use in your %Installer class:

    <CSPApplication Url="${CSPAPP}"
      Recurse="1"
      Directory="${CSPAPPDIR}"
      Grant="${RESOURCE},%SQL"
      AuthenticationMethods="96"
      />

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my cachedb version:
Cache Running version:
Cache for UNIX (Red Hat Enterprise Linux for x86-64) 2017.1.1 (Build 111U_SU) Tue May 23 2017 13:39:47 EDT

The frequency with which the journal is synced depends on the operating circumstances of the InterSystems IRIS instance involved. A journal sync can be triggered:

Last answer 19 November 2019
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Why log in to view pivot tables when you can have them delivered directly to your inbox? Are you in need of automated reporting for InterSystems IRIS Business Intelligence? Pivot Subscriptions is your solution: a tool for subscribing to scheduled email reports of pivot tables inside InterSystems IRIS Business Intelligence (previously known as DeepSee).

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Database systems have very specific backup requirements that in enterprise deployments require forethought and planning. For database systems, the operational goal of a backup solution is to create a copy of the data in a state that is equivalent to when application is shut down gracefully.  Application consistent backups meet these requirements and Caché provides a set of APIs that facilitate the integration with external solutions to achieve this level of backup consistency.

Last comment 19 November 2019
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Hello

 

I am trying to import a WSDL using the wizard and it outputs:

ERROR #6413: Element 'wsdl:binding:operation:msg': corresponding to message null : http://services.sanidad....

 

 

I have tried to find more information:

 

It is close to this case, however it is not the same error number:

 

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Prmoetheus is a really good to combine measures, and export them in graphical dashboards

https://prometheus.io/

http://grafana.org/

 

I would like to write some a caché exporter for Prometheus, that will allow to expose some metrics of the database, or even some metrics of my own

Did anyone already tried ?

Thank for the answer

Last answer 15 November 2019 Last comment 11 October 2016
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My project need to  restore the previous part of the log,  and I use the rountine "^JRNRESTO" and filter.  After recovery completed,  the table structure is restored, but the table data is not restored, also unable to insert data into the table.

The filter is defined as follows:

Last answer 14 November 2019 Last comment 15 November 2019
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I am trying to make architecture for my project. And for it, it needs to make list property in which there is list of objects of another table, the data must be unique, therefore I make sql-query to check objects of another table if it is used or not, but I can't make sql-query to check elements in list in property with elements of another table. Can you help me? In property ID of object is used.

Last answer 14 November 2019 Last comment 13 November 2019
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