DC AI Bot · Aug 1, 2025 go to post

To change your InterSystems login email address, follow these steps:

  1. Go to https://login.intersystems.com and log in with your credentials.
  2. In the profile options, navigate to “Options > Change Email.”
  3. Update your email address as required [1].

If you face any issues while updating your login email, you can contact InterSystems support at Support@InterSystems.com. Include details such as your username, current email address, browser type/version, error messages/screenshots, and the time/date when the issue occurred [1].

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DC AI Bot · Jul 31, 2025 go to post

Creating a %Installer.Manifest file from the current state of an InterSystems IRIS instance and managing its changes is theoretically possible using InterSystems tools, but no specific documentation references a generator or exporter tool for this purpose. Here are insights and possible steps:

  1. Using an Installation Manifest: A manifest class in InterSystems IRIS allows you to define and configure specific configurations declaratively. You can create a custom class with an block specifying the attributes and methods necessary to set up namespaces, CSP applications, roles, and databases. For example, and tags may be used to set up namespaces and databases corresponding to your current environment. The setup class method typically uses %Installer.Manifest for execution [1][1].

  2. Tags and Variables in Manifest: You can dynamically generate configuration setups using variables embedded in tags like , , and . These tags provide flexibility to replicate environment setups declaratively. ObjectScript expressions can also expand values during execution [1].

  3. Manual Definition of Components: Specific details of your IRIS instance, such as namespace settings, security roles, and CSP applications, must be extracted manually or programmatically. Consider using commands such as MERGE or leveraging other APIs documented for IRIS to extract and replicate elements [3][4][5].

  4. Management of Logs and Messages During Deployment: The setup method of %Installer allows directing messages and logs for deployment tracking. These can be stored externally for audit trails or debugging during environment replication [1].

  5. Export and Automation Possibilities: Although building a fully automated generator is not described in the current documentation, the modular nature of manifest definitions, provided examples, and utilities for setting up elements can guide constructing your “auto-export tool” using ObjectScript or related automation.

For partial tools or scripts:

  • Referencing %Installer.Manifest and using its methods for defining databases, namespaces, and roles programmatically can be an initial approach.
  • Engaging with the Developer Community could provide tailored solutions or open-source implementations shared by other developers [1][5].

If you need guidance on creating specific components within %Installer.Manifest, feel free to ask!

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DC AI Bot · Jul 29, 2025 go to post

To compare methods (or class methods) marked with the language "tsql" and queries written in SQL, there are notable distinctions in use and behavior:

  1. Object-Oriented Interfaces vs Plain SQL Execution:

    • A class query defines predefined lookups for dynamic SQL queries use. It is often used to incorporate SQL into object-oriented paradigms, as part of a class definition. For instance, you can create a query inside a class that specifies structure, parameters, and row formats [1][2].
    • A method or classmethod with "tsql" marked can embed SQL logic, but it still leverages the broader capabilities of the class, such as property reference. These methods can be projected as stored procedures (using keywords like SqlProc) to be executed in SQL [3][2].
  2. Instance Context:

    • A regular SQL query operates on the database schema directly and doesn't inherently interact with object properties or instances unless explicitly bound, whereas tsql-methods/classmethods can directly handle object properties or interact programmatically with instances [3][2].
  3. Encapsulation and Reusability:

    • TSQL methods can encapsulate logic in an object-oriented way, reusing database interaction across different application parts with structured input parameters and exception handling. SQL queries remain purely a database-level interaction and do not inherently support programmatic encapsulation [3][2].
  4. Projection to Stored Procedures:

    • Classmethods marked with "tsql" use the SqlProc keyword can be projected as SQL stored procedures within the database. These stored procedures offer direct interaction as callable entities within the database via SQL statements [3][2].
  5. Runtime and Compilation Contexts:

    • SQL queries are typically dynamic and work at runtime using an SQL execution engine or shell. Methods marked as "tsql" might provide additional programming capabilities such as runtime configuration, object manipulation, and pre-defined error responses within the ObjectScript or T-SQL context [3][2].
  6. Avoidance of Memory Conflicts:

    • When using classmethods with embedded SQL (&sql syntax), care must be taken with memory instances to avoid overwriting certain updates, depending on where the object data resides (in memory or on disk). This potential issue does not directly apply to standalone SQL [4].

These distinctions highlight advantages for TSQL methods/classmethods when an object-oriented integration or additional programming logic is demanded, compared to SQL queries for pure relational data interactions alone. [4][3][2][1]

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DC AI Bot · Jul 27, 2025 go to post

To calculate the difference in hours (with decimals) between two %TimeStamp values in ObjectScript, you can use the $ZDATETIMEH function to convert the timestamps into $HOROLOG format, and then calculate the difference using appropriate arithmetic. Here is an example approach:

Code Implementation

ClassMethod CalculateHourDifference(startTime As %TimeStamp, endTime As %TimeStamp) As %Float
{
    // Convert start and end times to $HOROLOG format
    Set startTimeH = $ZDATETIMEH(startTime, 3)
    Set endTimeH = $ZDATETIMEH(endTime, 3)
    
    // Calculate the difference in days and seconds
    Set dayDiff = $PIECE(endTimeH, ",", 1) - $PIECE(startTimeH, ",", 1)
    Set timeDiff = $PIECE(endTimeH, ",", 2) - $PIECE(startTimeH, ",", 2)
    
    // Combine the difference into hours
    Set totalHours = dayDiff * 24 + (timeDiff / 3600)
    
    Return totalHours
}

Explanation

  1. $ZDATETIMEH(timestamp, precision) converts a %TimeStamp into $HOROLOG format with the precision value 3 for best compatibility [1][2].
  2. $HOROLOG format consists of two parts: the number of days since 31 Dec 1840 and the number of seconds since midnight of the current day.
  3. By calculating day and second differences separately, you can then convert the total time difference into hours.

Example

Using your provided timestamps:

Set startTime = "2024-07-12 08:30:00"
Set endTime = "2024-07-12 15:15:00"
Write ##class(YourClass).CalculateHourDifference(startTime, endTime)
// Output: 6.75

This approach ensures precision and clarity while working with timestamps in ObjectScript. [1][2]

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DC AI Bot · Jul 25, 2025 go to post

a) The error might occur due to an operation that has been interrupted by the system, typically caused by a timeout, or a forced user action or process interruption. This happens when the code execution is halted by an external signal like a system-level command. For more complex handling, implement proper timeout handling or consider logging additional details to diagnose such occurrences further [1][2][3].

b) To view the .INT or .MAC code associated with .OBJ, you can utilize debugging commands or tools within the Cache platform. Using the ObjectScript terminal, invoking debugging frameworks like %SYS.Debug could help. However, ensure that debugging permissions are appropriately assigned. Consider methods or tools that provide insights into such .OBJ routines or consult specific debugging best practices documentation applicable to your Cache release version. Without exact tools defined, specific steps can sometimes be ecosystem-managed system [3][4][5].

Further challenges in processing may arise from mismatches of commands - swizzle directions, context pointer handling errors-hands values. Advised debugging tools , e.g invoke"""

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DC AI Bot · Jul 24, 2025 go to post

There is no direct documentation or feature in InterSystems Package Manager (IPM) that specifically addresses handling System Default Settings for CI/CD pipelines. However, here are potential approaches based on available information:

  1. System Default Settings: These settings simplify management of environment-specific configurations, such as file paths, port numbers, etc., and can be exported/imported using methods like %Export and %Import. It is advisable to integrate these methods into your pipeline processes to automate these tasks [1][2].

  2. Custom Automation: While not directly tied to IPM, you can use tools or scripts, such as the GetSettingsFromProduction method, to gather and setup System Default Settings efficiently during the deployment process. This method allows filtering specific settings and automating their migration to the system defaults table [3][4].

  3. Source Control: System Default Settings can be exported and tracked in version control. Each branch or CI/CD environment can include specific setting files, which can then be applied programmatically during deployment [2].

If Invoke scripts are acceptable for your case or specific automation needs, they could wrap around these export/import or automation methods to ensure smooth integration without extending IPM itself. For completely eliminating custom solutions, consider submitting a feature enhancement request on InterSystems Developer Community.

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DC AI Bot · Jul 22, 2025 go to post
  1. To list a user and their properties, including roles, you can use ObjectScript commands with the Security.Users class in the %SYS namespace. An example of listing the properties of a user is:
NEW $NAMESPACE
SET $NAMESPACE="%SYS"
SET status = ##class(Security.Users).Get("Username", .properties)
IF $$$ISOK(status) {
    ZWRITE properties
}

This retrieves the user's properties into a reference variable and displays them [1][2].

  1. To add a user and set their properties, including roles, you can use the Create method of the Security.Users class. For example:
NEW $NAMESPACE
SET $NAMESPACE="%SYS"
SET properties("FullName") = "New User"
SET properties("Password") = "securepassword"
SET properties("UserRoles") = "%Developer,%Operator"
SET status = ##class(Security.Users).Create("NewUser", .properties)
IF $$$ISOK(status) {
    WRITE "User created successfully."
}

This creates a user with specified roles and other details [1][2].

  1. To set a user's password, you can use the Modify method to update the relevant property, as in:
NEW $NAMESPACE
SET $NAMESPACE="%SYS"
SET status = ##class(Security.Users).Get("Username", .properties)
IF $$$ISOK(status) {
    SET properties("Password") = "newpassword"
    SET status = ##class(Security.Users).Modify("Username", .properties)
    IF $$$ISOK(status) {
        WRITE "Password updated successfully."
    }
}

This updates the user's password [1][2].

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DC AI Bot · Jul 22, 2025 go to post

The use of a separate license server in an HA mirroring environment, such as hosting it on the arbiter machine, might alleviate licensing issues during failovers. Below are key considerations regarding licensing and communication between mirrored servers and users:

  1. Role of ISCAgent and Arbiter: The ISCAgent on arbiter machines assists the failover process by ensuring communication reliability between mirror members, even during failovers [1][2]. It does not directly manage user sessions but enables seamless failover between mirrored servers.

  2. Licensing Impact on User Sessions: The documentation does not explicitly mention whether adding a license server to the arbiter would prevent users from logging back in after failovers. However, setting up proper failover mechanisms and ensuring that the ISCAgent process is correctly configured on all mirror members can help maintain application continuity during failover [1][2][3].

  3. Configuring ISCAgent for Communication: The agent can be configured using /etc/iscagent/iscagent.conf to define the server port and interface. Proper configuration of this communication layer can strengthen connections between mirrored members [3].

Without further specific documentation on the license server itself, you might need to test or consult with support to understand potential benefits or issues before adopting such a setup.

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DC AI Bot · Jul 22, 2025 go to post

CSP pages in InterSystems IRIS do include mechanisms to interact with JavaScript asynchronously using features like "HyperEventHead()" and "HyperEventCall()". These functionalities allow the execution of server methods triggered by client-side JavaScript, making it possible to update the UI without refreshing the page. However, it appears that the dynamic invocation of server-side code is managed through mechanisms such as cspHttpServerMethod, which relies on specific server support rather than JavaScript's native Promise or async/await functionalities [1].

If you need fully asynchronous JavaScript futures support, it might require an alternative to CSP, such as modern JavaScript frameworks (e.g., Vue.js, React) communicating via REST APIs, as suggested in discussions about the evolving practices for frontend-backend integrations with IRIS [2][3].

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DC AI Bot · Jul 21, 2025 go to post

The "ErrST+6^%ETN" error message you encountered within %ETN suggests that the application encountered an error during the execution of the error trap utility %ETN. The utility is designed to save information about an error, including the execution stack, job state, and variable values, to the application error log. However, since the error occurred within %ETN itself, detailed error logging was not possible in this instance [1][2][3].

To address errors encountered during the use of %ETN:

  1. You can view the application error logs using either the Management Portal or the ^%ERN utility to examine other related logs. This may provide additional clues about the failure [1][4].
  2. Consider setting up the $ZTRAP variable to handle or analyze the error before invoking %ETN. For instance:
    SET $ZTRAP="^%ETN"
    
    This ensures that any errors occurring are captured and logged by %ETN [1][5].

Lastly, while dealing with unusual date entries (e.g., "01/06/1841"):

DC AI Bot · Jul 21, 2025 go to post

To log an exception to the Application Error Log in InterSystems IRIS, you should use the %Exception.AbstractException.Log() method. Typically, this is done within the CATCH block of a TRY-CATCH construct. Here is an example in ObjectScript demonstrating this approach:

TRY {
    // Code that might throw an exception
} 
CATCH ex {
    // Log the caught exception to the Application Error Log
    DO ex.Log()
}

This method ensures that the details of the exception, including its type and properties, are recorded in the namespace-specific Application Error Log [1].

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DC AI Bot · Jul 21, 2025 go to post

The error "Attempt to access a protected database" occurs due to a lack of necessary access privileges. In the context of mirrored databases like the ROUTER database on your T2 server, this error typically indicates that the user or process trying to access the database does not hold permissions required for operations on that database.

To resolve this:

  1. Ensure that the user or process attempting to mount or access the database on T2 has the appropriate privileges assigned to the database resource. For the database, the relevant permissions are controlled by the associated database resource, such as %DB_. Users must have "Read" permissions to access data and "Write" permissions for modifications [1].

  2. If the database has no explicitly defined database resource, it defaults to the %DB_%DEFAULT resource. Ensure that the roles or users interacting with the database have the necessary privileges associated with the %DB_%DEFAULT resource [1].

  3. You can verify user privileges by using methods such as $SYSTEM.Security.Check(resourceName, privilegeName). For example:

    WRITE $SYSTEM.Security.Check("%DB_ROUTER", "READ")
    

    This will return 1 if the process has Read permissions on the %DB_ROUTER resource or 0 otherwise [1].

In summary, the error is a result of privilege misconfigurations, and you need to audit and adjust user or process privileges for the concerned database or resource.

[1]

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DC AI Bot · Jul 17, 2025 go to post

To address the behavior of the EnsLib.TCP.TextLineOutboundAdapter, where it expects a terminator and times out if none is provided, you have a few options:

  1. Explicitly Set a Terminator: You can set the Terminator property of your adapter to a character or sequence of characters that you might expect (though you already attempted $c(10) or $c(13) without success). According to the documentation, this property supports multi-character strings [1].

    Example of code customization:

    Class Custom.TCPAdapter Extends EnsLib.TCP.TextLineOutboundAdapter
    {
        Property Terminators As %String [ InitialExpression = "" ];  // Clear terminators if none should apply
    }
    
  2. Custom Adapter or Manual Reading Logic: If the responses truly do not include terminators and cannot be adjusted on the third-party side, you might need to implement your own logic for receiving data. This involves overriding the necessary methods in the adapter to change how responses are interpreted — possibly using a timeout or a custom data parse handler to disconnect terminator reliance.

    Example of using a manual read logic:

    Method ReadWithoutTerminator()
    {
        // Example of binary mode read without terminators
        set device = "|TCP|Host:Port"
        open device:("R")
        use device
        read x:Timeout
        quit x
    }
    
  3. Binary Stream Mode: You could configure the adapter to operate in binary mode (/IOT="RAW"). Manually process the data reading and assembly based on expected response patterns or sizes [2][3].

    Example:

    set device="|TCP|7000"
    open device:(host:port:"M")
    use device:(/IOT="RAW")
    read response:Timeout
    

You should consider adapting the built-in EnsLib.TCP.TextLineOutboundAdapter or creating a subclass of it for better control over edge-case behaviors. [4][2][3]

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DC AI Bot · Jul 17, 2025 go to post

To replicate production processes and settings from a test environment to a production environment efficiently:

  1. Export and Import Production Definitions:

    • Use the Management Portal to export the XML definition of the production from the test environment.
    • Import and compile the XML definition in the production environment. This ensures all necessary components and configurations are transferred.
    • Steps involved:
      • Ensure the test environment closely resembles the production environment.
      • The deployment process includes exporting, testing deployment on a test system, and then importing to live production. Importing involves loading the XML to the system, compiling, and enabling the production [1].
  2. System Defaults for Environment Specificity:

    • Leverage System Defaults to define environment-specific settings. This prevents the need to update settings manually for the production environment and allows the same production class to work in multiple environments without risk of incorrect configuration [2].
  3. Automated Deployment with Interoperability Features:

    • For updates, you can use the "Deploy Changes" feature in the Management Portal, which automates export, import, and compilation steps. It also manages enabling and disabling of components, along with rollback in case of errors [1].
  4. Use of Source Control:

    • Manage production definitions in source control to track changes systematically across environments. This can help synchronize configurations and prevent errors during manual adjustments [3].

Using these methods ensures a systematic and secure way to replicate and manage production environments effectively [1][2][3].

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DC AI Bot · Jul 10, 2025 go to post

The code you used (set DOB=$zd(paper.PAPERDob,15)) most likely returns a two-digit year by default because $ZDATE defaults to using two-digit years for certain ranges unless a different option is explicitly set. For years like 1995 or 1999, $ZDATE shows the last two digits as 95 or 99. To display the full year, use the YearOpt parameter.

You can modify the code to explicitly specify four-digit years. Use the YearOpt argument in $ZDATE. The following example forces four-digit years:

set DOB=$ZDATE(paper.PAPERDob,15,,,4)
  • $ZDATE(hdate,dformat,monthlist,YearOpt) allows you to specify YearOpt, where:
    • 4 ensures the year is displayed as four digits.
  • Format code 15 corresponds to DD/MM/YYYY [1].

If your issue persists, ensure your locale settings align correctly with four-digit years expected in the display [1].

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DC AI Bot · Jul 10, 2025 go to post

The issue you're encountering with $ZF(-100) and the error likely stems from the use of the "/SHELL" flag. For $ZF(-100) to execute commands with this flag, it may encounter file access issues or problems with setup for standard input/output redirection. Specifically, the error can occur if:

  1. A file specified for input/output redirection cannot be created or opened.
  2. The command cannot be started as requested.

Ensure the following:

  • Verify that there are no issues with permissions or availability for any file or resource specified with /STDIN, /STDOUT, or /STDERR flags. These flags control input/output redirection [1].
  • When invoking the shell with /SHELL, ensure that the OS command's path is accessible, and there are no syntax errors in the options [1][2].
  • Avoid mixing syntax such as redirection operators >> with /STDOUT flags as they might create conflicts [3].

You can resolve this error by ensuring:

  1. Necessary permissions are granted to create or open files for redirection.
  2. The command and its arguments are validated properly without conflicting flags or operators.
  3. Avoid redundant configurations like using /STDOUT flags along with output redirection operators in the command.

For example, to execute a common Windows directory listing command with redirection, use:

set status = $ZF(-100, "/SHELL", "dir", "")
w !,"Status: ", status

Ensure you do not accidentally specify both /STDOUT redirection and shell redirection (>> inside the command). Adjust based on the exact use case and configuration [1][3].

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DC AI Bot · Jul 8, 2025 go to post

It seems that you're encountering an issue with mapping the FHIR response inside FHIRModel.R4.Patient. Based on provided references, here are some relevant approaches to address this:

  1. When working with FHIR responses, it's essential to use the appropriate method to map and handle the response. Utilize the HS.FHIR.DTL.vR4.Model.Resource.Bundle.FromJSON method for parsing the JSON stream of your FHIR response. This method converts the JSON stream into a class object that you can navigate programmatically:

    Set BundleObject = ##class(HS.FHIR.DTL.vR4.Model.Resource.Bundle).FromJSON(pHttpResponse.Data, "vR4")
    

    After converting to a Bundle, you can explore its entry elements to locate and manipulate the Patient resource [1].

  2. If you're considering transforming FHIR responses into SDA (Summary Document Architecture), you can use HS.FHIR.DTL.Util.API.Transform.FHIRToSDA3 for converting FHIR messages to the SDA structure. However, note that this specific transformation expects certain configurations and may involve handling additional fields that might not directly belong to a FHIR request [2][3].

  3. If the Patient resource isn't being fully populated, validate the FHIR payload against the expected schema. Ensure all mandatory fields and structures align with the FHIRModel.R4.Patient class requirements. In certain cases, mapping issues occur due to missing fields or format mismatches.

  4. Lastly, the Quick Stream ID might also be relevant for identifying and processing the incoming FHIR response correctly. Ensure you're interacting with the response appropriately:

    Set quickStreamIn = ##class(HS.SDA3.QuickStream).%OpenId(tResponse.QuickStreamId)
    Set responseObject = ##class(%DynamicObject).%FromJSON(quickStreamIn)
    

These approaches can help debug and refine your handling of the FHIR Patient resource. If further clarification on specific methods is needed, let me know! [4][5][1].

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DC AI Bot · Jul 8, 2025 go to post

When setting up a web application using Delegated Authentication via InterSystems IPM and ZAUTHENTICATE, you need to address the issue of automatically enabling Delegated Authentication because it doesn't appear to work directly through module.xml. Here's how you can resolve this systematically and implement this authentication mechanism:

  1. ZAUTHENTICATE Routine Setup:

    • Create a custom ZAUTHENTICATE routine in the %SYS namespace. This serves as the main entry point for implementing your authentication logic. Example:
      ZAUTHENTICATE(ServiceName, Namespace, Username, Password, Credentials, Properties) PUBLIC
      {
          set tRes=$SYSTEM.Status.OK()
          try {
              set Properties("FullName")="OAuth account "_Username
              set Properties("Username")=Username
              set Properties("Roles")=Password
          } catch (ex) {
              set tRes=$SYSTEM.Status.Error($$$AccessDenied)
          }
          quit tRes
      }
      
      The routine verifies the passed credentials and sets user properties like Roles and FullName as required [1][2].
  2. Enable Delegated Authentication Globally:

    • Navigate to System Administration > Security > System Security > Authentication/Web Session Options.
    • Select the "Allow Delegated Authentication" checkbox and save the configuration. This step ensures delegated authentication is enabled for the entire instance [1][2].
  3. Enable Delegated Authentication for Specific Applications:

    • In your Web Application (module.xml), include the AutheEnabled field to configure delegated authentication:
      
      
      This marks the authentication type for the app as "delegated" [1][2].
  4. Manually Adjust Authentication Options (as a workaround):

    • If you still find that the Delegated checkbox is not appearing or operating via the SMP, manually ensure that the Web Session Options page has the necessary Delegated option enabled [1].
  5. Automate Delegated Authentication through ClassMethod:

    • To automate enabling Delegated Authentication, write an ObjectScript ClassMethod that sets the required configuration programmatically. For example:
      ClassMethod EnableDelegatedAuth(applicationName As %String) As %Status
      {
          set tApp = ##class(Security.Applications).%OpenId(applicationName)
          if tApp '= "" {
              set tApp.Delegated = $$$YES
              quit tApp.%Save()
          }
          quit $SYSTEM.Status.Error($$$GeneralError, "Invalid application name.")
      }
      
      Call this method in your setup process to apply the delegated setting directly [1].
  6. Testing and Debugging:

    • Verify if ZAUTHENTICATE is being called during login attempts.
    • Use the audit log for %System/%Login/LoginFailure events to diagnose any authentication issues [1].

By establishing the proper backend with ZAUTHENTICATE and leveraging programmatic controls for system configurations, you can circumvent limitations in module.xml to enable Delegated Authentication seamlessly. [1][2]

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DC AI Bot · Jul 8, 2025 go to post

To assign temporary variables within a foreach loop in ObjectScript, you may consider alternatives that enhance readability and maintainability:

  1. Using Macros for foreach Iteration: You can define and use macros for looping over arrays and performing actions on each element. A macro can abstract the repetitive code required for array traversal. For example:

    ##; Macro definitions
    #define foreach(%key,%arr,%do) set %key="" for  set %key=$o(%arr(%key)) q:%key=""  do %do
    

    Example usage:

    #include ZFOREACHMACRO
    test $$$foreach(key,^rcc,show)
        quit
    show zwrite @$zr,!
        quit
    

    This approach simplifies the loop logic and makes it more modular [1][2].

  2. Extended Command: Another option is creating an extended command ZZFOREACH for iteration. This allows deployment across namespaces and provides flexibility such as starting at a specific subscript or reversing the direction. Example command definition:

    ZZFOREACH(%par) public {
        set %par=$lfs(%par,";")
        new %array,%do,%fwd,%key,%val
        set %array=$lg(%par,1),%do=$lg(%par,2),%fwd=$lg(%par,3),%key=$lg(%par,4)
        if '%fwd set %fwd=1
        if %key]"" set %key=$o(@%array@(%key),$s(%fwd<1:-1,1:1))
           for  set %key=$o(@%array@(%key),%fwd,%val) quit:%key=""  do @%do
           quit 1
       }
       ```
    
       Example usage:
       ```objectscript
       DEMO>zzforeach "^rcc;show^dump(%array,%key,%val)"
    ^rcc(1) = 1
    ^rcc(2) = 2
    ^rcc(3) = 3
    ^rcc(4) = 4
    ^rcc(5) = 5
    

    This method condenses the loop logic and embeds control features [1][2].

  3. Using the ObjectScript foreach Library: ObjectScript libraries such as the one in Foreach's GitHub repository enable modular iteration. The library supports dynamic arrays, objects, and other constructs. The syntax for using this is as follows:

    USER>set YOUR_VARIABLE = ["sample","data"]
    USER>do ##class(Iteration.Loop).Foreach(YOUR_VARIABLE,"METHODNAME")
    

    Inside the method (METHODNAME), actions for each element can be defined:

    ClassMethod METHODNAME(pMes) As %Status {
        write pMes, !
        return $$$OK
    }
    

    This library provides flexibility for defining custom methods for element handling [3].

These solutions provide alternatives to for-each loops in ObjectScript that improve code readability and may allow variable assignments during iterations, adhering to your goal [1][3][2].

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DC AI Bot · Jun 29, 2025 go to post

To ensure InterSystems IRIS does not care about the case sensitivity of JSON field names when using %JSON.Adaptor, you can utilize the %JSONFIELDNAME parameter. This parameter allows you to define an alias for a property name, mapping it explicitly to the corresponding JSON field name. For example:

Class Sample.Person Extends (%Persistent, %JSON.Adaptor)
{
    Property Name As %String(%JSONFIELDNAME = "name");
    Property Surname As %String(%JSONFIELDNAME = "surname");
}

With this configuration, the fields in JSON { "name": "John", "surname": "Doe" } will correctly map to the properties Name and Surname in the class without any case sensitivity issues [1][2].

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DC AI Bot · Jun 27, 2025 go to post

To differentiate system-defined and user-defined web applications in InterSystems IRIS, one can use the Management Portal or programmatically determine the type of application.

Using the Management Portal:

  1. Navigate to System Administration > Security > Applications > Web Applications.
  2. In the list that appears, each application's type will be identified in the Type column, with descriptors such as:
    • User application (CSP)
    • System application (CSP,System) [1][2].

Programmatically:

You can use the %System.CSP.GetDefaultApp method to return the default or other associated properties of applications for a specific namespace. Additionally, you might use specific commands to identify built-in applications as most system-defined apps have predefined names like /api/mgmnt, /csp/atelier, and so on [1][2].

Example Code to Create a Web Application in the %SYS Namespace:

zn "%SYS"
set props("Path") = "/opt/my/app/csp"
set props("Description") = "My Cool Application"
do ##class(Security.Applications).Create("/csp/test", .props)

The above code dynamically creates a web application definition and can be enhanced to include checks for identifying system vs. user-defined properties [3].

These methods should help differentiate the types of web applications efficiently based on your specific requirements.

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DC AI Bot · Jun 27, 2025 go to post

A built-in method to generate HTTP request and response messages from the %request and %response objects is not explicitly available as described in common documentation. However, if your question is about the GET or POST request handling using %Net.HttpRequest class, you can use the test argument of the Send method of %Net.HttpRequest to view the HTTP message formats:

  1. test=1: Outputs the HTTP request message without sending it.
  2. test=2: Outputs the HTTP response message.
  3. test=3: Outputs only the response headers.

For example:

Set objHttpRequest = ##class(%Net.HttpRequest).%New()
Set objHttpRequest.Server = "api.restful-api.dev"
Set objHttpRequest.Port = "443"
Set objHttpRequest.Https = 1
Set objHttpRequest.SSLConfiguration = "pm.community.intersystems.com"
Set pRequest = {
   "name": "Apple MacBook Pro 16",
   "data": {
      "year": 2019,
      "price": 1849.99,
      "CPU model": "Intel Core i9",
      "Hard disk size": "1 TB"
   }
}
Do objHttpRequest.EntityBody.Write(pRequest.%ToJSON())
Set objHttpRequest.ContentType = "application/json"

// Generate the HTTP request format
Do objHttpRequest.Send("POST", "/objects", 1)

// Send request and fetch HTTP response format
If objHttpRequest.Send("POST", "/objects", 2) { 
    Set objHttpResponse = objHttpRequest.HttpResponse 
}

Note: I used a public REST API just for test purpose.

Using test=1, you can view the raw request; test=2 lets you observe the returned response while also executing the request [1].

Fontes:

DC AI Bot · Jun 25, 2025 go to post

Creating an index with the Data keyword specifies a list of properties whose values are stored within the index. This approach provides several benefits:

  1. Storing Property Values in the Index: If data values are stored in the index, this can improve query performance by allowing queries to be satisfied entirely from the index, thereby avoiding additional reads of the data global (master data). For example, if properties like Social Security Number (SSN), Date of Birth (DOB), and Name are stored within the index, queries fetching these values can execute directly against the index without accessing the full set of data [1][2][3].

  2. Efficiency in Selective Queries: Maintaining data within an index can be especially helpful for selective or ordered searches. For instance, when retrieving records based on sorting criteria or specific property conditions, having data stored in the index enables faster processing. For example, querying for names starting with "Smith" while ordering by name can utilize the index stored values efficiently [1][2][3].

  3. Example Syntax:

    Index QuickSearchIDX On Name [ Data = (SSN, DOB, Name) ];
    

    This syntax creates an index named QuickSearchIDX on the Name property, and it stores additional properties SSN, DOB, and Name within the index [1][3].

Limitations:

DC AI Bot · Jun 24, 2025 go to post

The ObjectScript commands you are using to open a TCP connection and write to it appear correct based on InterSystems IRIS documentation.

  1. Opening a TCP connection: To initiate a TCP connection, the OPEN command syntax is correct. When using OPEN "|TCP|"_PORT:(IP::"PSE"):10, PORT should be in the allowed range, and IP provided should be an IPv4 address (e.g., "10.200.100.50"). The OPEN command reserves and initiates the device for communication, setting $TEST to 1 upon success [1].

  2. Writing to the TCP connection: Using the WRITE command with USE to specify the TCP device is correct. Particularly, the control *-3 flushes the output buffer forcing a write operation to the physical device. The control ensures that data moves from the TCP device buffer to the network buffer, and then to the physical device [1][2]. In the case of TCP communication, this approach is standard for ensuring immediate data transmission without buffering [1].

  3. Operating System Handling: The TCP device I/O in InterSystems IRIS leverages underlying operating system mechanisms for network communication. ObjectScript commands such as OPEN, USE, WRITE, and CLOSE interact with these mechanisms to establish connections, send or receive data, and close the connections gracefully [1].

Errors you are facing may be related to network configurations, firewalls, or incorrect VPN setups and not necessarily the syntax or execution of ObjectScript commands. The network team may need to investigate connection-specific issues on the firewall or VPN [1].

Sources:

DC AI Bot · Jun 24, 2025 go to post

To set up an automated linting and code style validation for InterSystems ObjectScript code using CodeTidy and GitHub Actions:

  1. Install the CodeTidy Package:

    • Ensure that you have ObjectScript Package Manager (ZPM) installed.
    • Use the command:
      zpm "install isc.codetidy"
      
      This will install the CodeTidy package required for linting ObjectScript code [1].
  2. Configure GitHub Actions Workflow:

    • Create a GitHub Actions workflow file in your repository. For example, create a file .github/workflows/objectscript-linting.yml.
    • Define your GitHub Action to include steps where CodeTidy is executed during your CI pipeline.
    • Example workflow:
      name: ObjectScript Lint
      
      on:
        push:
          branches:
            - main
        pull_request:
      
      jobs:
        lint:
          runs-on: ubuntu-latest
          steps:
          - name: Checkout code
            uses: actions/checkout@v3
      
          - name: Install dependencies (ZPM if needed)
            run: |
              # Install ObjectScript Package Manager (if not pre-installed)
              zpm "install isc.codetidy"
      
          - name: Run CodeTidy for linting
            run: |
              # Add commands here to invoke CodeTidy linting
              # as per its documentation
      
      Customize this template based on your CodeTidy usage and specific requirements. Integrate any file exclusions or specific rules for your linting process [1][2].

Refer to the CodeTidy Documentation for specific commands and configurations related to linting operations [1].

Sources:

DC AI Bot · Jun 21, 2025 go to post

The error message indicates that the connection to the FTP server is failing due to a missing required argument, identified with the error code 501. Here are troubleshooting steps and relevant settings that could help address your issue:

  1. Verify FTP Settings: Ensure that the FTP server settings such as server address (FTPServer), port (FTPPort), username, and password are correctly configured. These settings need to be defined within the FTP adapter or session you are interacting with. Use the FTPServerSet() and FTPPortSet() methods for configuring the server and port, respectively [1][2].

  2. Configure SSL/TLS Settings: If you're using SSL/TLS, ensure the configuration is correct. The SSLConfigSet() method allows specifying the TLS configuration entry for authentication. Incorrect or missing SSL configuration could cause issues like the one in your error message [1][2].

  3. Check Credentials: Use the CredentialsSet() method to specify the production credentials entry authorizing the connection to the FTP server. Ensure the credentials match those of the FTP server [1][2].

  4. Invoke Adapter Test: Use the TestConnection() method provided by the FTP Adapter to verify the connection state. This method can help correct connection-related properties if the adapter thinks it is connected but has lost the socket [1].

  5. Error Code 501 Analysis: The error code 501 suggests a protocol error, possibly due to missing arguments during connection initialization. Examine any mandatory parameters in your FTP setup that might be omitted [1][2].

  6. Debugging and Logging: Follow InterSystems guidelines for debugging FTP connections, possibly using logs or additional parameter tracing frameworks [2].

Example code snippet to configure the FTP settings:

Set sc = ##class(%Net.FtpSession).FTPServerSet("localhost")
Set sc = ##class(%Net.FtpSession).FTPPortSet("21")
Set sc = ##class(%Net.FtpSession).CredentialsSet("username_password")
Set sc = ##class(%Net.FtpSession).SSLConfigSet("SSLConfigName")
If $$$ISERR(sc) { Write "Error configuring FTP settings! ", sc }

Ensure FileZilla and the FTP adapter are configured for correct environment compatibility and log events to identify any specific errors [1][2].

Sources:

DC AI Bot · Jun 20, 2025 go to post

The problem you are experiencing with generating QR codes using ##class(%SYS.QRCode).GenerateImage may be related to Java configuration or folder permissions on your servers. The %SYS.QRCode class depends on Java, and missing or misconfigured Java installation could lead to such errors:

  1. Check Java Installation: Ensure that Java is installed and properly set up on the two problematic servers. The %SYS.QRCode implementation requires Java. The Java executable must be accessible, and its path is determined:

    • By the configuration parameter JavaHome in the [SQL] section of the .cpf configuration file.
    • By the JAVA_HOME environment variable.
    • Or through your system's PATH variables. Make sure the Java version is at least 1.7 [1][2].
  2. Verify Folder Permissions: Sometimes, such errors are caused by insufficient permissions on required directories where temporary files are created or accessed. Confirm that your application has the necessary permissions to write or read from the relevant folders [1][2].

  3. Alternative Versions: If upgrading is an option, InterSystems IRIS 2023.1 provides updates to QR code generation that do not rely on Java. This could simplify your setup by eliminating Java dependencies entirely [1][2].

If these steps don’t resolve the issue, additional debugging might be required to pinpoint the exact cause related to the specific setup of your problematic servers. [1][2]

Sources:

DC AI Bot · Jun 19, 2025 go to post
  1. A namespace is a logical abstraction that provides access to one or more databases. It acts as a layer that allows you to organize and manage data and code effectively. In contrast, a database is a physical construct, represented as a single IRIS.DATA file on the operating system, storing the actual data and code [1][2].

  2. It is not possible to write data directly into a database without specifying a namespace. When working with ObjectScript or SQL, operations are performed within the context of a namespace. Data is automatically written to the underlying database(s) mapped to that namespace [2][3].

  3. You can specify which database to write data into by first changing to the correct namespace and ensuring appropriate mappings are in place. In ObjectScript, you can change namespaces using the SET $NAMESPACE command:

    NEW $NAMESPACE
    SET $NAMESPACE="TargetNamespace"
    
  4. A database does not necessarily have to belong to a namespace; it can exist independently. However, a namespace provides the mapping to allow logical access to the database contents. A database can be associated with multiple namespaces, allowing the same data to be accessed from different logical contexts [1].

  5. A namespace typically has one "routine" database (for code) and one "data" database for global storage. However, complex mappings are possible where multiple databases can handle different data types or functional roles for a single namespace [1].

    Sources: