Allow Dynamic Table Querying

What is the problem or goal the end user is trying to solve or accomplish?

Dynamically change the base table from a virtual table by injecting variable value

How are they solving it currently?

Create one Superset table for each client with one associated dashboard for each client.
Meaning we can't do it now because of time issue.

What is the recommended solution by the Customer?

using a syntax like Jinga templating.
For instance the dataset query could be :

SELECT *
FROM my_dataset.{{client_id}}

with client_id being the filter value