I want to perform a string search replace on a list but the list has items of different sizes so it is more complex

The following is a modified version of the RDB r.q. I have given the RDB the ability to publish its results which I would like to then post-process in a q subscriber. In the background I have the ‘vanilla’ tick.q running. First of all, is this efficient, for I haven’t seen any examples with r.q having .u.pub? If not, what’s the recommended approach?

In KDB+, I have multiple tables in tables[] that have the same name prefix. For example, I have 8 tables that start with the word ‘users_’. The full name is something like ‘users_1’, ‘users_2’, etc.

I have a certain dataset that I have selected as below:

I have a question about table schemas in kdb+

can someone help with the following error:

r.q – args for .u.rep

The update I am running to my tp process

I’m using the tick.q file found here https://github.com/KxSystems/kdb-tick/blob/master/tick.q

I’m building my own vanilla tick kdb+ system using this
https://github.com/KxSystems/kdb-tick/blob/master/tick.q