Thanks @Bhaskar27 , unfortunately this doesn't work

path: {{job.parameters.merge_file_path}}

I get a yaml error when I try to deploy because "key is not a scalar". So it seems like it is not possible to use this kind of dynamic variable for the sql_task file path.

Edit: just in case this issue was fixed in a newer version, I upgraded my CLI to 0.252.0 (latest version right now) and I get the same error.