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ListDistinct
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10Comments
Implemented
Builtin & User functions
Development Environment 11.0.109.0

P10 introduced new operations over lists: ListAll, ListAny, ListFilter, ListIndexOf and ListSort.


But, it's still missing a very usefull operation: ListDistinct


We are still using SortRecordList extension just because of this functionality. It would be nice if it could be added to the system module.

19 Jan 2017
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My thoughts exactly, I was surprised it wasn't included in P10!

20 Jan 2017
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Most of the times Distinct could be prevented by another query, but sometime (by the nature of queries within OutSystems) it could be a usefull addition to prevent a requery to the database to populate lists.

Not a huge fan, but I see its potential on some occassions

20 Jan 2017
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Hi guys,

Just to let you know that we'll be working on these soon!

Stay tuned :)

02 Mar 2018
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Changed the status to
Implemented
on 26 Sep 2018

Hey guys,

I'm glad to announce that, with the release of OutSystems 11, there is a new List Distinct action. As usual, a special thank you to the idea creator, Carlos, in our release notes.

Hope you enjoy it!

Don't forget to check OutSystems 11 what's new to see all the new features that were released:

https://success.outsystems.com/Documentation/11/New_in_OutSystems_11

26 Sep 2018
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2020-09-14 20-23-58
Goldy Lukka
Champion

On what criteria will the ListDistinct try to filter? Lets say I have a list of structure with 100 attributes. Will all 100 attributes be considered to find a distinct entry? What If I just need to get distinct list based on an attribute?

11 Oct 2020
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2020-04-15 12-37-36
Daniël Kuhlmann
mvp_badge
MVP

Hi Goldy, your question is better asked on the forum, not on the ideas page.

21 Sep 2021
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Hi Daniel, Actually it was question on the idea and Not the feature :-)

21 Sep 2021
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2020-04-15 12-37-36
Daniël Kuhlmann
mvp_badge
MVP

The Idea is implemented, so in my opinion it is a question on the build in function ListDistinct.

21 Sep 2021
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Ok, the feature does Not support it. Can I post a new Idea instead of asking question on the same Idea?

21 Sep 2021
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2020-04-15 12-37-36
Daniël Kuhlmann
mvp_badge
MVP

The feature does not support it, so yes the best is to create a new idea, not to tag along in an idea that has already the status  "Implemented".

21 Sep 2021
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