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#Caché

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

Documentation.

Question
· Apr 4, 2019
ODBC Drivers

Hi All,

I would like to download odbc drivers for Cache database to be able to install it on our SQL server.

I am trying to create a linked server to Cache database.

I couldn't find a link for the drivers, there was one post with FTP reference to download but it doesn't seem to work.

I will be grateful for any help.

Thank you

Sap.

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I programmed some server command by my own. That server commands worked fine for a long time.

Suddonly I received

Studio Action "Attempted Edit" not supported on 127.0.0.1:57772[CTAE01]

by using one of my server commands.

There is an explanation:

Error running command vscode-objectscript.serverCommands.contextOther: Running the contributed command: 'vscode-objectscript.serverCommands.contextOther' failed.. This is likely caused by the extension that contributes vscode-objectscript.serverCommands.contextOther.

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Pouring The Coffee: Creating and scheduling a task

Don't you wish a fresh, hot cup of coffee could be waiting for you right when you get into the office? Let's automate that!

Cache and IRIS come with a built-in Task Manager, which should have a familiar feel to those used to using the Windows task scheduler or using cron on Linux. Your user account will need access to the %Admin_Task resource to use it, and you can access it in the management portal under System Operation -> Task Manager. When first installed, there are roughly 20 types of task that you can schedule.

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I'm attempting to use the .NET Entity Framework provider that is provided by InterSystems (see: https://docs.intersystems.com/latest/csp/docbook/DocBook.UI.Page.cls?KEY=GBMP_eframe). In our environment, the "Support Delimited Identifiers" option is turned off and we are not allowed to turn it on without significant testing effort. When this setting is off, the SQL that is generated by the Entity Framework provider is not considered valid and therefore the provider doesn't work (it DOES work,

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Question
· Nov 11, 2021
#5003 not implemented

I am trying to create a scheduled task but get not implemented error when I try to run it.

Class PICIS.Core.Tasks.CleanEntry Extends %RegisteredObject
{

ClassMethod ClearTasks(pBackupFile As %String = "d:\Temp\BackupTasks.xml", pDelete As %Boolean = 0)
{
// Create backup file
Set tBackup = ##class(%Stream.FileCharacter).%New()
Set tBackup.Filename = pBackupFile
Do tBackup.WriteLine("<?xml version=""1.0"" encoding=""UTF-8""?>")
Do tBackup.WriteLine("<Tasks>")

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[SQLCODE: <-400>:<Fatal error occurred>]
[Cache Error: <<MAXSTRING>zExecute+3^%sqlcq.LIM.cls1043369.1>]
[Location: <ServerLoop>]
[SQLCODE: <-400>:<Fatal error occurred>]
[Cache Error: <<MAXSTRING>zExecute+3^%sqlcq.LIM.cls1043369.1>]
[Location: <ServerLoop>]
at InterSystems.Data.CacheClient.CacheADOConnection.GetServerError(Int32 rc)
at InterSystems.Data.CacheClient.CacheADOConnection.processError(Int32 error, Int32 allowError)

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InterSystems technologies are renowned for their high performing databases, which support the systems and operations of many organisations. However a key ingredient to this success is the quality and maintainability of their code.

The quality of code can impact everything from speed and ease of fixing bugs and making enhancements, to the overall performance of your organization and your ability to get ahead in the marketplace.

By ensuring your code is maintainable, you can reduce approximately 75% of the systems life cycle costs*. This is why, at George James Software, the solutions we build are always straightforward and written in high quality code - because we know that this solid foundation can positively impact the rest of your organization.

With a maintainable system you're able to reduce your overall maintenance as any issues that occur are significantly faster to identify and fix. This means you're free to allocate that time and budget to enhancements, enabling you to get the most value out of your applications and ultimately better support your organization.

Keep an eye out for our next few posts about what a maintainable system looks like and the tools that can help you keep your code maintainable, in order to help you to reduce those maintenance costs.

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Article
· Dec 23, 2015 1m read
Caché ObjectScript Quick Reference

In the Caché Foundations course, students are learning about Caché Development and ObjectScript syntax at the same time. To help students complete the exercises, we provide an ObjectScript Quick Reference (aka "the Cheat Sheet").

It is not a reference for all of ObjectScript! It is a list of the ObjectScript commands and functions that students use during the course, along with common syntax for objects, collections, etc. It also contains some useful macros.

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Hi all,

I have a process that recive a datetime in ISO 8601 format (YYYY-MM-DDThh:mm:ss+001) to %timestamp value.

Example: set myDatetime = "2021-11-04T11:10:00+0100"

I've triyed use $SYSTEM.SQL.CONVERT(myDatetime,"SQL_TIMESTAMP") but it doesn't work.

Any idea?

Regards,
Kurro Lopez

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Hi, I am new to InterSystems database. I am developing an application to display real time skillset statistic data, including max waiting time per skillset. I have access to the database through ODBC, using InterSystems ODBC driver. But I don't know from which table or view to get real time data of maximum waiting time per skillset. I appreciate any advices.

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Question
· Jan 19, 2018
Gitlab hooks for Studio

Hi

I am in the process of trying to implement version control software with studio. Has anyone got any recommendations (either Linux based/windows based) as a place to start I have installed Gitlab and I wanted to know whether anyone has come across any obstacles using this.

I was also wondering whether anyone has developed any hooks for Gitlab that works well with Studio as I would prefer if there was a more integrated solution with studio? Any help with this would be great.

Thank you.

Kind Regards,

Salma

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Hello,

I don't know if the title is accurate enough. I have a legacy code that I need to optimize. It's a routine written in objectscript. It accepts 4 parameters and runs 6 nested FOR...$ORDER reading a big global.

The thing is when I run the routine the first time it takes around 60 seconds to run. If I run it again it takes 5 seconds. If I wait around 6 to 10 minutes to run it again, it takes 60 seconds again, but if I run it every 1, 2, 3... minutes it still takes only 5 seconds to run.

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Hi guys,

My client has a requirement to add a column of random numbers to the query result.

I wrote a function as below:

Class Utils.SqlUtility Extends %RegisteredObject
{

ClassMethod GetSomeNumber(intInput As %Integer) As %Integer [ SqlName = GetNumber, SqlProc ]
{
Return $R(intInput)
}

}

But in the returned sql result, every row share the same value, as below,

SELECT Utils.GetNumber('456'),
ID, Citizenship, DOB, FirstName, Gender, IDNumber, LastName, PatientNumber, PhoneNumber
FROM CDR.Patient

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Hi community!

I want to introduce you a new powerful feature from our static code analyzer objectscriptQuality.

Each time a new IRIS version is released, you need to prepare a roadmap for migration in which you need to spend a lot of time on testing to find where your code is not accomplishing with the newer version. Or maybe you need your code to be compatible with multiple IRIS or Caché versions.

Open Exchange app
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I need to execute multiple DELETE statements in a single query like this

DELETE FROM TableName WHERE ID = 2;
DELETE FROM TableName WHERE ID = 3;
DELETE FROM TableName WHERE ID = 4;

However It does not work when there're more than 2 statements and gives me an error

Expected FROM found WHERE^DELETE FROM TableName WHERE

Using IN is not an option.

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We're hosting our Deltanji and Serenji user group session tomorrow - there's still time to register, if you haven't already.

We'll be showcasing some advanced features of Deltanji and Serenji in VS Code with time for a discussion - so feel free to bring along any problems you need help solving or share your feedback on our tools. We'd love to hear your thoughts. If you're interested in our tools this is a great chance to hear what others have to say, as well as asking your own questions.

Date: Wednesday, November 3rd

Time: 11-12pm EDT / 3-4pm GMT.

Let us know you'll be attending on Eventbrite.

We hope to see you tomorrow, but if you're unable to make it you can email me at laurelj@georgejames.com and I can share a recording of the session.

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I am relatively new to Intersystems cache database management. As I understand it, a database is set with a maximum size or unlimited and the size of each space allocation for the database is defined. My understanding is that the cache database will then manage the allotment of space to the database as the current space allocation is consumed. Though I do not know why one would want to do this, I have been told that the space allocation to a database can be set to be handled manually. This is something, if true, I was not aware of.

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