Caché

I am trying to fetch the data from cache database. But i got the error like "CSP application closed the connection before sending a responce".

Below is the query.

SELECT
CallbackComment
FROM SQ.CBPhoneResult_View Where PhoneDateODBC = '2018-04-09'

I have investigated and found that "CallbackComment" contains the special character single quotes " ' "  for one result and due to this i got this error.

In this field data is enter by customer. so we cannot restrict them like Do Not use single quotes.

Last answer 7 July 2018 Last comment 9 July 2018
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I would like to start a discussion regarding Caché Objects and Caché SQL.

It is my understanding that the creators of Caché Objects see Caché SQL as the reporting arm of Objects and as such SQL is essential to Caché Objects.

I once met a Caché Objects programmer who was writing code to $Order through the Globals because that person thought that Caché SQL was too slow and inefficient. I attempted to convince the person otherwise.

So, what say you? Is SQL essential to Caché Objects?

Or

Last answer 13 June 2017 Last comment 28 June 2017
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Hi Community!

Sometimes I meet a method which accepts 10+ parameters.

And often I need only the 8th parameter  to  pass. And I call the method something like:

do ##class(Some.Feature).Method(,,,,,,,"flag")

And I don't like this method when I call it like this cause, you know, often I just miss the number of commas and raise some other flag I wanted.

How do you avoid this situations? 

If you meet such a code, how do you call it and sure that you didn't miss the number of ","?

What is a good number of parameters in a method and f you need to pass more parameters in a method what do you do?

Last answer 5 May 2019 Last comment 27 August 2019
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The dataCombo property columnHeaders is a comma-delimited list of column headers displayed in the dropdown list.

Comma is a delimiter.

But, if I want add comma to columh header, for instance "House number, apartment" - this is value for header of one column.

How can I escape comma in this case?

"House number\, apartment" - is not working. 

Last answer 22 August 2017 Last comment 24 August 2017
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Let's have a round of CodeGolf!

As usual the goal is to write the shortest solution for a specified problem.

Today we have one of the classics: FizzBuzz.

Write a program that prints the numbers from 1 to 100.

But for multiples of three print “Fizz” instead of the number and for the multiples of five print “Buzz”.

For numbers which are multiples of both three and five print “FizzBuzz”

Last answer 31 July 2019 Last comment 2 August 2019
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Cache 2016.2.1.603 for windows)

I created a few classes and one class called jitPod.Api.toServer.additionalConsignments and realised even before I did any work,, that the word "Api" (note capital A) needed to be "api" (all lowercase)

it would not allow copying the class to the lowercase name because the directory already exists (i understand that)

so I exported the class to an XML, edited the xml to become lowercase "api" , deleted all the classes (and directory name) and re-imported the class.

Last answer 13 March 2018 Last comment 16 March 2018
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I'm looking at adding multilingual support to a couple of open source projects I'm working on. The solutions are already developed in CSP so I am not looking for alternative approaches.

I'm wondering what would be the best approach for CSP and separate JavaScript files.

Initially I was wondering if I should bake the default system language text at compile time, or provide the end user with a language selection option at run time.

I came across $$$TEXT reading the docs...

Last answer 11 May 2017 Last comment 12 September 2017
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I am experimenting with Relationships, both Parent to Child and One to Many.

I have done some SQL look-ups and have searched through the documentation, however not in a lot detail, but wonder if there are more and better ways to access both sides of Relationships through SQL?

Thank you in advance for any help provided.

Last answer 6 July 2017 Last comment 25 June 2017
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Hi guys!

As you know there are two (at least) ways to get the stored value of the property of InterSystems IRIS class if you know the ID of an instance (or a record).

1. Get it by as a property of an instance with "Object access":

ClassMethod GetPropertyForID(stId As %Integer) As %String

{

set obj=..%OpenId(stId)

return obj.StringData

}

2. Get it as a value of a column of the record with "SQL access":

Last answer 29 June 2019 Last comment 6 July 2019
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Good morning,

I'm trying to understand $ZF function, but only documentation isn't enought in this way. So my question is is there any possibility to get enviroment variable by this function into ensemble?

I've tried this as example from ducumentation, but there is an error and  I don't know why...

Thanks for your solutions.

Zdenek

Last answer 31 July 2019 Last comment 30 July 2019
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Hello community,

I am trying to parse the below HttpResponse in Cache. Cannot get the Iterator to work. Is there a single loop which can parse both or single messages and grab the error?

{
error:[
{ txt1:'error msg1'},

{ txt2:'error msg2'},
]
}

 

{
error: {
txt1:[
'error msg1',

'error msg2'
]
}

 

Thanks,

Jimmy Christian

Last answer 16 July 2019 Last comment 19 July 2019
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Some may think it's a strange / daft idea, but just today the Raspberry Pi folks have announced that they've now sold more than 10 million of them..and counting.  That's a huge potential marketplace, and a great platform for getting people to hear about Cache and try it out.  Given its focus on the education sector, another great way of getting heard about.

 

Last answer 20 October 2016 Last comment 3 October 2016
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We are going to start using Git within Cache.

One question came up - if the branch that you checked out does not have the class or mac file, what is the correct thing to do?

Should we delete from Cache or should we just keep it?

I'm leaning more towards deleting it because Cache should reflect what is in your work folder in git. But other team members are saying to keep it.

Last answer 20 April 2018 Last comment 20 April 2018
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Forgive my lack of understanding, but I am working on a vendor created Cache database and the indexes specified in the classes for ODBC connections are not working. A few of them are created, but of the 50+ classes we have, only a handful of them are created when the class is compiled, yet no errors occur.

Example 1:

 

Example 2:

 

Last answer 31 May 2019 Last comment 18 June 2019
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Hi all!

I'm developing a mini-framework to implement annotations in Cache. I want to support two kind of annotations: metadata and method decorators. I've got stuck trying to implement the second one.

Metadata

With metadata annotations I can add metadata to any kind of target. A target can be a method/classmethod, parameter, property and class.

For example:

Last answer 25 January 2017 Last comment 26 January 2017
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WebSockets look to be supported reasonably well in Cache. I have yet to use them in production so I am wondering how well it has worked for other developers.

In particular what happens when the browser does not support WebSockets, or when a firewall blocks the connection.

Have you had to write your own long polling fall-back?

I've read the documentation and found this interesting article...

https://community.intersystems.com/post/asynchronous-websockets-quick-tutorial

Last answer 21 April 2017 Last comment 22 April 2017
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Hello,  Thanks in advance for all replies.  I have been practicing setting up mirroring between two development servers in preparation for mirroring our production server in a few weeks.  I started by setting the servers up with minimum security which worked easily, then I set it up in lock down mode again without any issues.  Now I am setting it up in lockdown mode with encryption and this one is testing me.  I have everything setup but my async dr member cannot connect to the primary.

 

from cconsole.log

Last answer 29 March 2017 Last comment 30 March 2017
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