#InterSystems IRIS

Since I'm just starting to use this aspect of IRIS I can't tell if this is a bug or some kind of nuance. If I run a single column query like this, I get results:

However if I try to retrieve using a DISTINCT or GROUP BY, I get no results:

And again except with a GROUP BY, with no results:

I'm trying to setup a REST server with CORS support. I have created a class that handles a specific part of the service (printer control). This class I have referenced in my main REST class by adding <Map Prefix="/print" Forward="myClass.PrintAPI" />

My main class does have its own <Route>s and handles CORS requests perfectly. But in my subclass OnHandleCorsRequest() is only run when requesting from same origin and never run when making a CORS request. I have set Parameter HandleCorsRequest = "true" in both my main REST class and the subclass.

Hello,

I have a quick question regarding TSTART, however not certain if there is an answer.

If I am inside the transaction and I loose connection - I always assumed that transaction would TROLLBACK, however it does not.

Is there anything special I need to set up with my TSTART, in order for this transaction to safely rollback?

*********

As example: Let's say I am inside the TSTART and setting up / altering some data and my VPN connection got disconnected. I kind of expect all the data to be rolled back.

Thank you,

Alex

I'm probably missing something really basic here -

Hello Everyone

I am new to cache. I know there are 2 types of methods in cache. One is Instance method (Which can be call through object creation of particular class) and other is Class methods (which can be call through ##Class(MyPackage.Car).CarModels()).

I want to know the difference when to create a instance method vs when to create a class methods.

Thanks in advance!!.

i noticed -by reading .INT files of one class- that some of embedded sql select statements code blocks translates into code that uses lock command.

even if i use %nolock in the select, still cursors and arrow referencing notations "->" have the same results.

Hi, does anyone know how to add a LINK to an ANALYTICS DASHBOARD? I'm getting an error and until now I could not find anyhing in documentation.

thank you for help.

to be more specific: I need to figure out how to create a .LINK type of entry into a folder so I can add it to the dashboard.

I need to store an equivalent of the SNN (Social Security number). I need it to be encrypted and I'll have to be able to search for it once stored.

For what I've seen my options are:

- SHAHash from the %system.encryption library. Simple and easy to implement. My question is, might collisions be a problem? We are talking about a 10 millions entry.

- AES encryption. In this case I'd like to know if there is a standard way for key management in the InterSystems environment.

I'm trying to write a method that runs an OS command with $zf(-100,"/ASYNC") and then waits for it to finish before returning, but I can't figure out how to check if the child process (in $zchild) is still running. $System.Process.State($zchild) always returns "RUN" even once the child process is gone. Is there some better way to check this, short of running another OS-specific command and processing the output (which is just really annoying and unelegant)?

Hello everyone!

I am writing a SQL CALL (using JDBC) to a stored procedure that outputs a structured object (Oracle Object).

However, the adapter method is not accepting the corresponding JDBC Data Type STRUCT for the output parameter, returning the following error:

Hi Team,

While converting FHIR JSON to SDA the file is being converted but, some of the data gets removed during conversion. Please help me out if you know the reason behind this.

Thanks in advance.

Harshdeep Acharya

From IRIS log, I found lots of following content

05/05/22-01:05:11:375 (16166) 0 [Generic.Event] ECP: Mirror Connection request from 'SM25SDLMIIRROR:LOCALHOST.LOCALDOMAIN:IRIS' (10.xxx.xxx.27:33040)

05/05/22-01:05:11:376 (16166) 1 [Generic.Event] ECP: Active server not defined, cannot redirect mirror connection

Could any one explain a little bit for me?

How I can get current date/time on format YYYYMMDDhhmmss?

I tried $ZDATETIME($HOROLOG,8), but I got 20220606 17:59:56 and I want 20220606175956

Thanks

Hi team,

I'll start with an apology as I am trying to wrap my head around the architecture of how InterSystems IRIS database management works. I am attempting to connect to the platform remotely through say a JDBC or ODBC connection in order to run queries, searches (through SQL statements) on my laptop and was trying to understand whether this would be possible? It is possible to setup an inbound client connection and wanted to better understand the architecture of how the database association works for IRIS database management. Does it use it's own internal SQL database or are we able to connect to our own database and which databases are certified to run against the platform?