Create a view by joining two CDTs

RE: Create a view by joining two CDTs

rp_balaji — Sat, 05 Jan 2019 14:06:28 GMT

Hi Chandu,

Thanks.

Regards,
Balaji.R

RE: Create a view by joining two CDTs

chandu — Sat, 05 Jan 2019 07:05:17 GMT

Hi Balaji,
We can use @Table annotation for table or view. for more info on it please go through,
docs.appian.com/.../Mapping_CDTs_to_Pre-defined_Database_Tables.html

RE: Create a view by joining two CDTs

rp_balaji — Fri, 04 Jan 2019 14:40:40 GMT

Hi Sindhu,

While creating CDT for the view in DB what is the annotation which we need to use in CDT XML schema which will differentiate the VIEW from a normal TABLE CDT.

Regards,
Balaji.R

RE: Create a view by joining two CDTs

satheeshm0002 — Thu, 13 Dec 2018 11:23:46 GMT

its correct

RE: Create a view by joining two CDTs

sindhug — Thu, 13 Dec 2018 09:05:32 GMT

its a typo, its Query entity only not query rule

RE: Create a view by joining two CDTs

chandu — Thu, 13 Dec 2018 08:58:17 GMT

Sindu, "Then create a query rule referring to that DS to fetch the data." May be you forget that Query Entity is more faster than Query Rule

RE: Create a view by joining two CDTs

sindhug — Thu, 13 Dec 2018 04:35:28 GMT

Hi Erics,

As per the Appian best practices, its always recommended to create a view(will all data manipulations) and then create a CDT that holds the view structure, publish it in Data store . Then create a query rule referring to that DS to fetch the data.

Thanks,
Sindhu

RE: Create a view by joining two CDTs

sahithip120 — Wed, 12 Dec 2018 22:02:52 GMT

Hi Eric,
Creating view in the appian database and querying the data is recommended

RE: Create a view by joining two CDTs

pratiksha nawale — Wed, 12 Dec 2018 16:22:19 GMT

You can use the joincdt function mentioned by chandu in below comments, However it is recommended to create a view with join you required in database and created cdt for that view (Note: As Join is the database servers core functionality they execute faster there)

RE: Create a view by joining two CDTs

chandu — Wed, 12 Dec 2018 14:06:20 GMT

Hi Eric, If you get the data from DB for those CDTs and you can create a view joining those two tables.
Else if you want to handle these joins in Appian without creating view then please use the CDT manipulation Plugin
community.appian.com/.../cdt-manipulation