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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 are receiving the report in text format and it has special characters like ', - like that in the text. Source system is using the UTF8 encoding format hence the text is showing as ' � ' . Is there a way to convert the utf8 to actual character in the DTL.

Thank you,

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Is there a generic process for "walking" the structure of a virtual document - eg an HL7 message (EnsLib.HL7.Message) or an XML document (EnsLib.EDI.XML.Document).

At least we'd want to be able to visit all "nodes" (HL7 fields or sub-fields, XML nodes) in the virtual document and be able to work out/generate the Property Path (so we could call "GetValueAt").

We can just about come up with something generic for HL7, since it only nests down to 4 levels within each segment, though we're using numeric Property Path's at that point rather than symbolic ones (MSH:1.3 etc).

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Is there a way in ObjectScript to return the OS user of the superserver? I know %SYS.ProcessQuery can find this for a given process but is there a clean way independent of a specific process ID I can find the OS user used for background jobs?

For IRIS this is usually irisusr and Caché this is usually cacheusr but may vary based on installation and upgrade history of an instance. I would find it very useful to determine programmatically if a process is running as this particular user when the username may vary.

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Question
· Mar 4, 2025
Message Count

Looking for a SQL query or any other method to find the Unique/distinct message counts for all productions or at least per production namespace within a given time frame. For e.g TimeCreated = January 2025 (Whole month)

I have used the following, but its not restricting the numbers based on the TimeCreated filter. Every time a new message is processed by system, its added to the total. I am running the query in today's date

Select Sum(MsgCount)

From

(Select DISTINCT TargetConfigName, count(DISTINCT SessionID) as MsgCount

FROM ENS.MessageHeader

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Question
· Mar 4, 2025
Using Lists - LB and LI

I have a repeatable field within HL7 that I want to create a List from. Do I have to initialize the List by using $LB, or can I just use $LI to keep adding on to the end of the list as it is looping through the field?

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I have been trying to get to grips with the new dot Net Gateway used in IRIS as the import of the DLL to construct proxy classes is no longer supported in IRIS I have a third party DLL that when I try to instantiate throws an error complaining about the class not instantiated as it does not support parameterless constructor .I am using this new

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Question
· Feb 26, 2025
Maximum license usage

Hello everyone

I have a question about the maximum number of active license users for CACHÉ.

When I run the command: Do $System.License.ShowCounts()

I get the following return:

1 Current active users
3 Maximum active users
0 CSP users currently active
1 Maximum active CSP users
0 CSP sessions currently in 'grace period'
1 Maximum CSP sessions in 'grace period'

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Dear Fellow Cache Gurus: I would like to know if there is either any built-in Cache Date/Time function or an easy way to include a timezone abbreviation such as EST, PST, MST, etc... within the Cache Date/Time formats.

I read through the Cache Documentation but could not find anything to achieve this.

So if I do the following command: $ZDateTime($H,1,4,,,4,,,,,"InvalidDate"), then I get an output like this: 02/27/2025 11:10AM

But I am looking for the output to be formatted like this: 02/27/2025 11:10AM EST

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