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#Caché

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

Documentation.

We've been tasked with developing a file upload module as part of our wider system, storing scanned documents against a patients profile. Our Intersystems manager suggested storing those files in the DB as streams would be the best approach and it sounded like a solid idea, it can be encrypted, complex indexes, optimized for large files and so on. However the stake holder questioned why would we want to do that over storing them in windows folders and that putting it in the DB was nuts.

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Question
· 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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Question
· Mar 21, 2022
Available space in a DB

When we run data purges in a namespace, the size and space of the DB does not change. I assume like Oracle it leaves white space that is usable by cache, but is there a way to see how much of this space is available? Today I increased the size of the disk available to the system as we were reaching critical low disk space, however, with the purges, we should have several hundred GB of available space inside the database to use. And is it safe to allow the system to run out of available disk space, as long as there is enough free space in the DB for writing data?

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Hi Team,

We are facing an issue connecting to a remote Cache DB server using CacheODBC 2018 on the client side.

The connection works fine without SSL on the Cache server, but when SSL is enabled, we are getting the below error - "Failed to load cconnect executable!, SQL state 08S01 in SQLConnect"

Also, the connection works fine when the PHP script is run through CLI on client server, but fails with the above error when the script invoked from a client browser.

Could you please help us with any pointers in resolving the issue?

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Hello everybody.

My question originated when trying to help a coworker...

There is a system module, specifically a ClassMethod that inserts records into a table as per the pseudocode below:

set Obj = ##class(FooSchema.FooTable).%New()
set Obj.fooProp = fooValue
// Other Foo properties //
set status = Obj.%Save()

From time to time, when trying to save the object, an error , informing that it was not possible to obtain the exclusive lock on the table instance

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Article
· Jun 13, 2016 1m read
Debug: using locks for breakpoints

Hi, Community!

Want to share with you one debugging approach from the Russian forum.

Suppose I want to debug the application and I want it to stop the execution on a particular line.

I add in code this line:

l +d,-d

When I want to start debugging in this line I block d in terminal

USER> l +d

And execute the app.

The app stops on this line and lets me connect to it with Studio debugger.

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Question
· Mar 30, 2022
Data transformation

Hi Team,

I am trying to call Datetime in CUSTOM.Training.Functions class please refer the below line.

<assign value='##class(CUSTOM.Training.Functions).DateTime(source.{PIDgrpgrp().PIDgrp.PID:7.1})' property='target.{PID:7.1}' action='set' />

My Datetime method

ClassMethod DateTime(DateTime As %Integer)
{
Set Year = msg.SetValueAt(,"PIDgrpgrp().PIDgrp.PID:7.1","set")
Q Year
}

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Hello,


I need support for my case!!
I have 18 GB health care cache Database i face delay with filter and transmit data around 20 - 45 Minutes, I need solution to fixed my issue.

I did Rebuild indexes & Tune Table .

Thanks,

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I have the object query:

s Rset=##class(%ResultSet).%New("%SYSTEM.License.UserListAll")

I can loop through that query and it generates the report information that I need.

I have a Python process where I use the intersys import to connect to the Cache instance. But I have been unable to determine the correct syntax in Python for this query. Being that 'UserListAll' is a query I attempted to user:

res = <query>.prepare("select * from %SYSTEM.License_UserListAll")

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Question
· Mar 24, 2022
generate random password

Hello!

I need to create strong random password including letters and integers. Does Cache Object Script has methods to generate password or I have to create my own method ?

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I have developed a process that pulls data elements from a cache instance using the tools provided with the "intersys.pythonbind3" import. This is a windows box. After validating the process, the next step is to install the process on a site (Windows) that does not have an installed version of cache and access the cache instance remotely. But, since intersys.pythonbind3 is part of the cache install, I am not sure what to do to allow this process to function because of the missing import.

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Question
· Mar 22, 2022
Cache 2007 x64 / x86

Hello,
First of all, I apologize if I got the topic wrong.
But I'm also looking for the 2007 cache version for Windows x86 / x64.
If anyone else has it, or can help me.
Thanks

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Question
· Mar 18, 2022
EnsLib.HL7.Message Querying

We are trying to track down the source of Orphaned messages and noticed that we are unable to query EnsLib.HL7.Message with any kind of WHERE or ORDER BY clauses in our SQL statement.

I know EnsLib.HL7.Message is a system table, but is there a way we can add additional Indexes to the table to make the query run better/faster without affecting the system?

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Hello,

Our team is looking for a way to export all of our Cache SQL tables into Microsoft SQL Server. I have only found a method to export one table at a time into an ASCII file. We have over 170 tables so this would be very tedious and time consuming. Is there a way to directly export from Cache to SQL Server. Alternatively is it possible to export the entire database in a single shot or even multiple tables to text files?

Thanks!

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Myself and the other Technology Architects often have to explain to customers and vendors Caché IO requirements and the way that Caché applications will use storage systems. The following tables are useful when explaining typical Caché IO profile and requirements for a transactional database application with customers and vendors. The original tables were created by Mark Bolinsky.

In future posts I will be discussing more about storage IO so am also posting these tables now as a reference for those articles.

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Hello

I am running a script from a CMD command line using : C:\CacheSys\Bin\cterm.exe /console=cn_iptcp:127.0.0.1[23] myscript.SCR %CD%

The script should authorize something (or not) in the following lines of the GO.CMD

But How can i return an information from inside the script to the GO.CMD script ?

Any idea ?

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I am in the process of creating a python report writer that includes the information contained in "License Usage" page of the management portal. I think I have a handle on the local values contained in the report using the %SYSTEM.License class I have those defined using these methods:

Current License Units Used - -> LUConsumed

Maximum License Units Used --> LUMaxConsumed

License Units Enforced --> KeyEnforcedUnits

License Units Authorized --> KeyLicenseUnits

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Hi,

I am running InterSystems iris 2021.1 from the container and I have version 2020.1.1 is installed locally. While running studio locally I am getting below error message:

"Version mismatch. Studio version 2020.1.1 unable to connect to server version 2021.1
Upgrade to a later version of the client to resolve this error"

Looking Forward

Thanks

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I'm new to cache, come from an oracle and sql server background. In oracle and sql server I could write basically a stored procedure like script and pass it in as text to the command to execute.

Example:

Below would be the _sqltext

DECLARE @Id INT;

select id into @Id from something;

if @Id = 9

BEGIN

do something

END

The _sqltext would work in sql server, what would be the equivalent for cache for it work?

I get a generic error when I try it with cache

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I have a python script that is pulling the cache instance key expiration date ( KeyExpirationDate() ) which comes back as an integer. With the queryscript function - $ZDATE(73284) I can derive the actual expiration date. Is there a manner or method of creating an equivalent Python script that will convert the integer return by the KeyExpirationDate() method into a date string?

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