Does Prompts Hit Cache

Hi,
I found an interesting (at least for me) case regarding OBIEE Prompts.
Earlier: We were using a dimension let’s say : Department in our RPD and hence dashboards. Later due to SCD type2 and other backend problems we had to create a new Table and then Dimension called Department_T2 in RPD and we replaced Department with Department_T2 in all our reports and prompts.
But, we could not DELETE or REMOVE (old) Department from RPD (BMM and Presentation) because some reports (beyond our control) were using them so we just kept it and did not use it.
In each dimensions (Department and Department_T2) we have a column "Account Name". Name(s) in all the 3 layers of RPD is same but of course backend table and column is completely different.
Now, our reports were showing correct data. Let’s say there is a "Account Name" : XYZ. I can see it in my reports when I leave the MultiSelect Prompt blank (means 'All').
BUT, surprisingly I cannot See XYZ in MultiSelect Prompt 'Choices Returned’, when I try to use prompt to apply filters.
I checked the result 'Choices Returned' they were coming from OLD Department."Account Name" dimension column where XYZ is not there. Now, I checked Prompt Fx its Department_T2."Account Name" so everything was right.
Then I tried running same RPD on a different/test server, there prompts displayed correct 'Choices Returned', so apparently there was some issue with cache and not with RPD. So I tried Call SAPurgeAllCache(); in "Issue SQL" option.
After that I could see correct results in my main server reports.
My question is:
How do prompts behave in terms of cache. I did the changes at least 2 week ago then how come prompts where fetching data from old table and not new.
Also I think it’s misleading because I guess when we talk or read about obiee cache we talk in terms of querys fired to fetch data in reports. Doesn’t a prompt should follow or use same cache. I above case clearly prompts were using some sort of different cache then query/reports as data was correct in reports.
If possible please try in explaining “Prompt’s Cache” management
Thanks

Ηello,
Yes i faced the same issue, but slightly different. I have created a prompt from a table lets say x on cloumn x1.
now I used to do a multiselect first time it pull the data from server. Now i have constrain something in table. so i Put the where clause condition in LTS. after that when i tested the same prompt it shows the same result, because it was hitting cache. Then I delted cache from my dev envt and tried again and it shows the correct result. So according to me it hit the cache.

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