Having trouble removing duplicates from an array

RE: Having trouble removing duplicates from an array

Ravi — Fri, 25 Nov 2016 09:58:41 GMT

Hi lesliec, how did you resolve this issue ?

RE: Having trouble removing duplicates from an array

lesliem — Tue, 26 Aug 2014 19:16:15 GMT

Thanks Mike that fixed my process. I can now select the first item in the array for the wherecontains.

RE: Having trouble removing duplicates from an array

Mike Cichy — Fri, 22 Aug 2014 18:06:27 GMT

Wrap the wherecontains() in index().

RE: Having trouble removing duplicates from an array

lesliem — Fri, 22 Aug 2014 17:41:31 GMT

Thanks Mike that's what I've been trying to do but can't figure out how to select index 1 with the wherecontains(). ri!oldCDT[wherecontains(ri!name,ri!oldCDT.name)].address) gives me the 2 addresses for the duplicate name. How do I select index 1?

RE: Having trouble removing duplicates from an array

Mike Cichy — Fri, 22 Aug 2014 01:21:04 GMT

First you need an array of unique names - make sure you save into a an array of strings. Then you should iterate over wherecontains for each unique name and select index 1 from each result. Not sure if wherecontains() returns indexes in order, so you will have to verify that manually.
You should be able to do all that within a single with()

RE: Having trouble removing duplicates from an array

lesliem — Fri, 22 Aug 2014 01:12:48 GMT

I want to keep the first one, no matter what. The cdt is being created from an Excel Spreadsheet import so I want to take only the first record in the excel spreadsheet for that name.

RE: Having trouble removing duplicates from an array

Mike Cichy — Fri, 22 Aug 2014 01:11:08 GMT

But if the address is different then the entry in the CDT array is not a duplicate. If items have the same names, how do you decide which one to keep?

RE: Having trouble removing duplicates from an array

lesliem — Fri, 22 Aug 2014 01:05:35 GMT

But if say the address on the second record of the duplicate "Name" record is different it would still duplicate the name because the address is different.

RE: Having trouble removing duplicates from an array

Mike Cichy — Fri, 22 Aug 2014 01:05:28 GMT

Sorry, I should have explained that your example did not work because of the type mismatch: "name" is a string, the union of strings will not result in a cdt.

RE: Having trouble removing duplicates from an array

Mike Cichy — Fri, 22 Aug 2014 01:04:11 GMT

Right, but you should be able to just do union(oldCDT, oldCDT).

RE: Having trouble removing duplicates from an array

lesliem — Fri, 22 Aug 2014 01:01:14 GMT

When I tried to union(oldCDT.name,oldCDT.name) and save to newCDT it returned a blank CDT.

RE: Having trouble removing duplicates from an array

Mike Cichy — Fri, 22 Aug 2014 00:57:48 GMT

Leslie, you can do union() directly on CDTs: forum.appian.com/.../Set_Functions.html

RE: Having trouble removing duplicates from an array

lesliem — Fri, 22 Aug 2014 00:35:13 GMT

Right, so if my array is a pv of a CDT and include address, city, state, zip, phone I would like to get the information from the unique record that was gathered in the union().

RE: Having trouble removing duplicates from an array

colton.beck — Fri, 22 Aug 2014 00:19:01 GMT

When you say 'get the rest of the information,' do you mean the values in ri!name not returned by union(ri!name,ri!name)?