topic Re: Developing Over Previous Developer's Work in App Development

Developing Over Previous Developer's Work

markjay27 — Fri, 12 Dec 2025 18:59:19 GMT

I'm looking for a Qlik SME to serve as a help in re-developing an app someone else created. The visualizations are done, and I've piped in new data from a different source that has field names and content different that what's already there. I could use some help navigating the differences to connect the new data to the current visualizations accurately.

Re: Developing Over Previous Developer's Work

Vegar — Tue, 16 Dec 2025 06:02:10 GMT

Do I understand you correctly that you have a fully functional new application that you want to use and replace an existing publisher application that was developed by another developer?

Go to QMC - Apps
Filter out and select your new app
Click Publish in the bottom of the screen
Mark the checkbox to replace existing app
Navigate to, and mark the old app that was developed by the someone else
Press publish, and confirm all prompts that would will publish and replace.
✔️ Done

Re: Developing Over Previous Developer's Work

markjay27 — Tue, 16 Dec 2025 16:19:55 GMT

You are correct in that there is a fully functional application. I was handed it and told to replace the data feeding the vizes (from flat manual uploaded files) with a new stream of data via API.

My original problem has morphed though. I now know the new data doesn't match the ones currently feeding the vizes so I can't simply replace them 1:1 inside the charts. Instead, I have to split fields from the API data to expose like data and concatenate them to the like data via scripting in load editor, and or via associations.

1) Does this sound like the right path forward? 2) after concatenating (and associating if necessary), how could I be sure the new data will be reflected in the vizes in a non-convoluted way? If that makes sense.

P.S. this is in Qlik Sense and I don't have administrative rights, only builder.

Re: Developing Over Previous Developer's Work

Vegar — Wed, 17 Dec 2025 05:58:01 GMT

if the original app is relying on a simple flat file like csv, also or qvd, and now you need to fetch from an API, then I suggest you create a new app for just fetching and transforming the data into a format that suits your app.

Use that app to fetch data from the api and then modify that data into something that you can store into qvd files and use in your original app.