#Caché

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InterSystems Caché is a multi-model DBMS and application server. See more details here.

Documentation.

Question Oliver James · Jun 5, 2018

Hi - has anyone successfully used the python binding on a mac. I carried out the install instructions per InterSystems documentation and it fails completely. 204 warnings and 9 errors. Obviously this was never tested by InterSystems. Is it even worth pursuing?

Thanks

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Question Mathew Lambert · Jun 6, 2018

I need to send a PATCH call from the server to a given url.

Until now I was using %Net.HttpRequest to issue calls for get/post/put but today I had to make a PATCH and I can't find a way to do it.

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Article Evgeny Shvarov · Mar 31, 2018 1m read

Hi, Community!

What is your favorite issue tracking system for projects with InterSystems Data Platform? What did you use and what are you using now?

In projects with InterSystems Data Platform, I worked with Redmine, JIRA, Trello. A lot of code versioning systems now have this feature too (Gitlab, Github).

Now my favorite for small and medium projects is Github, because it is simple, is very close to code (commit-issue linkage) and it has kanban).

E.g. see the DC public GitHub project (and add your issue request ;)

What is your choice?

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Question Nezla · Jun 5, 2018

Hi Guys,

have a file located in \\servername\Myfiles\pull.csv but for some reason my cache routine can't file, but can when using the local drive C:\servername\Myfiles\pull.csv.

FYI I can access \\servername\Myfiles\pull.csv via Win explorer with no problems. 

anyway how I can fix this?

Thanks Guys

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Question Evgeny Shvarov · Jun 5, 2018

Hi, Community!

$CASE is a fine syntax sugar for "Ifs" with one-line/one-word expressions, like in docs:

SET daynum=$ZDATE($HOROLOG,10)
  WRITE $CASE(daynum,
              1:"Monday",2:"Tuesday",3:"Wednesday",
              4:"Thursday",5:"Friday",
              6:"Saturday",0:"Sunday",:"entry error")

But if my expression for a current case is a multi-line business logic? Can I use "{}" somehow or better go with "IF" instead?

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Question David Crawford · Jun 5, 2018

Hello community, simple question. I've been able to use a ternary operator equivalent by using $select for inline if statements using this pattern:

set x = 1

set result = $select(x = 1: "true", x = 0: "false")

These can be nested and can have a lot of options. But I'm curious if there is a native way of using ternary operators in ObjectScript?

Thank you

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Question Rich Taylor · May 9, 2018

I am working with a client to try and export a set of tasks defined in the Task Manager from one system to another.  I am not seeing any API for this.  I can query this information in SQL.  So I tried to use the Data Export Wizard from the System Management portal in the SQL window.  Export was fine.  Importing failed with a "can't insert into read only field" error.  Looking at the class definition does not help since the implementation details are not visible.

So how would one accomplish this?  Export scheduled tasks from one system to another?

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Question Peter Kopp · May 24, 2018

Good afternoon, I have a tabGroup where I populate tabs with images using the scr property. If a user scrolls to the bottom of the image on a tab, when they go to the next tab, they are also at the bottom. When moving between tabs, I would like the user to always be presented with the top of the tab content. I have not been unsuccessful in doing this. Would someone have input on how to make this happen? Thank you in advance for any and all feedback.

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Article Alexey Maslov · May 4, 2018 1m read

In old Caché versions it was possible to create a new role based on predefined %Developer by copying it and adding some resources as needed. It was true at least from 2010.1 to 2015.1.

After upgrade from 2015.1.4 to 2017.2.1 it turned that it's only partially true now. User with a "New-Developer" role can enter Studio and open existing cls/mac/etc for editing and everything is OK unless he tries to create something new (Ctrl-N), than he gets a pop-up with %msg: <User xxx does not have enough privilege to execute stored procedure %CSP.StudioTemplateMgr_Templates>

The solution found was simple:

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Question Tirthankar Bachhar · Mar 8, 2018

While trying to start the instance INSTANCE001, getting below error, where cache.shid file doesnot contains anything.

This is in a Linux server.

Any help is appreciated.

$ ccontrol start INSTANCE001INSTANCE001 startup failed: Instance is down although there is process attached to shared memoryYou can get the shared memory ID in cache.shid filethen run 'ipcs -m -a' to see the number of processes still attached.
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Question Paul Goggin · Nov 1, 2016

Is there any easy way to create a WebSocket to Telnet proxy within the Cache environment?

I would like to use a html5 telnet emulator to connect to cache, but need to create a proxy,

Is this a simple task?

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Question p rd · May 29, 2018

I want to generate one of the following xml data, but after I generate only de="", after I need to generate is de="DEX71.41.009.01"

//// result:
<OPTREGISTER>
      <THBZ de="DEX71.41.007.01" display=""></THBZ>
      <GHFS de="DEX71.41.008.01" display=""></GHFS>
      <GHF de="DEX71.41.009.01"></GHF>
      <ZLF de="DEX71.41.009.01"></ZLF>
      <QTF de="DEX71.41.009.01"></QTF>
      <WDBZ de="DEX71.41.010.01" display=""></WDBZ>
      <GHKSDM de="DE08.10.025.00" display=""></GHKSDM>
</OPTREGISTER>

The classes I use are as follows:

////// ------ Test.Common.PropertyParameters cls
Class

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Question Thiago Zenaro · May 25, 2018

Hi everyone

I'm coding a script in order to validade an installation package following the steps:

- Create environment { }
Try{
    - Import classes
    // Do some stuffs
    - Compile Classes
}Catch (ex){
    // oops ...
}
- Destroy environment { }

In some specific cases I will need to terminate the current process and start a new one with some new parameters.
With any code inside my try catch block, whenever I terminate the process I receive a RESJOB and it works perfectly.
When my job is running a compilation ($SYSTEM.OBJ.Compile(.classes)) and receive a RESJOB, it does not catch the exception.

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Question Minsu Kim · May 25, 2018

Hello glabal masters,

I am trying to develop WAS using Cache and Spring Framework.

The ON DUPLICATE KEY UPDATE is not working.

Source : 

INSERT INTO 
            ocsGUMCHECDINFO (CODE,DODATE,NAME,DAY,PURPOSE,REQUIREMENT,BEFORENOTE,AFTERNOTE,CNT,REPORT,CONSENT,CONTACT)
        VALUES
            (#{code},#{doDate},#{name},#{day},#{purpose},#{requirement},#{beforeNote},#{afterNote},#{cnt},#{report},#{consent},#{contact})
        ON DUPLICATE KEY UPDATE

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Question JAQUELINE KRIEGER · May 7, 2018

Hi everybody,

 I need to load data from excel to a class in cache, but this class has foreign key and property like AS ..... (other class). This class represent an item product that belongs to a line, the line blelongs a group and the group belongs a Category. 

Example:  

Property bdGrupo As Innova.CL.Core.BD.Operacion.Producto.Grupo;Property bdLineaPR As Innova.CL.Core.BD.Operacion.Producto.Linea [ Cardinality = parent, Inverse = bdProductoCH ];Property bdCategoriaProducto As Innova.CL.Core.BD.Operacion.Producto.Mantenedor.CategoriaProducto;Property Portafolio As %Boolean [ InitialEx
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Question Stefan Blank · May 18, 2018

Hi,
I created a REST service that works well if called via VPN,  for example the url http://192.168.10.60:57772/fm/status returns a JSON string as expected.
If I replace the ip 192.168.10.60 with the ip used for our public website nothing happens. If I remove the port :57772 the browser returns a 404 error page.
Do I have to use a different port or is this caused by the settings of our web server? (We are using Apache Web Server: Apache Cache_Server_Pages-Apache_Module/2016.1.0.656.0-1601.1554d)  


Thanks in advance!

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Question Laura Cavanaugh · Mar 16, 2017

Hello; we have users on the system with cache logins.  They have access to a specific namespace, and no access to %SYS of course.  I'd like to give each user the ability to change his own password from within our application, using Security.User.PasswordExternal.  This only exists in the %SYS namespace, and the average user can't get to it.  

Should I give the users access to this column in this table (column Password, table Security.Users)?  What about access to the namespace?  Is this possible? Has anyone done this before?

Thanks,

Laura

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Question Nezla · May 18, 2018

Hi Guys,

I'm upgrading Cache 2008 to 2014, and for two clients so far all good, but with this third one and while trying to mount the main database that includes the data, I'm getting error #36 "database is not mountable"!?

but cache instances the old 2008 and the new 2014 at installed the same way (8 bit) and Cache.dat is (archive) NOT read only so I don't know what could be the problem?

Thanks

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Question Justin Wilson · May 22, 2018

We upgraded from 2017.1 to 2017.2 today and noticed that when shutting down we must do it as an administrator.  Attempting to shut down as a non-admin result in a failure to shut down message.  We are curious if there was an issue with our upgrade or if there is a change that requires an administrator to shut down Cache in 2017.2.

edit:

Operating System is Windows Server 2012 R2.  We run Cache in a cluster using Windows Failover Cluster where we swing the drive from one machine to another when failing.  

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Question yoav Sivan · May 21, 2018

I have a very large logistics software running Chache.

I need to build an external application ( Web & Mobile)  . I was thinking of using Angular. Does anyone have experience with this infrastructure ? What would be the best way to extract the data ?

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Question Michael Gosselin · May 22, 2018

We have this challenge at our site. When we first designed it many years ago, we decided that the best way to store files was with a unique identifier, which matched one of the fields in the corresponding record. For example, if the unique identifier was a nine-digit field (such as a SSN), we'd save a file as nnnnnnnnn.ext, where nnnnnnnnn is the nine-digit number, and ext is the file extension. If we needed a change to the file, we'd file as nnnnnnnnn_hdate.ext, where hdate is the horolog date. And for 18 years, this was just fine.

However, in year 19, we discovered one of the growing pains

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Question Eduard Lebedyuk · May 22, 2018

The code I'm researching loosely follows this flow:

  1. My first callback
  2. Black box
  3. My second callback

I can modify 1 and 3 no problem but modifying 2 is difficult.

However I think that step 2 has some optimization problems, namely:

  • instantiates lots of objects
  • throws/catches lots of exceptions (not logged)

Is there a way to count these two metrics?

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Announcement RB Omo · May 21, 2018

This document describes considerations around SDDC and HCI solutions for InterSystems Clients.

Software Defined Data Centers (SDDC) and Hyper-Converged Infrastructure (HCI) – Important Considerations for InterSystems Clients

A growing number of IT organizations are exploring the potential use of SDDC and HCI solutions.These solutions appear attractive and are marketed as simplification of IT management and potential cost reductions across heterogeneous data centers and cloud infrastructure options.

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