Efficiently use pipelines for record change logs

Hi,

I was going through the quickbase university courses and came across this use case of using pipelines' Quickbase Records Updated feature to log changes to a table. 

Building Powerful Pipelines Using included Features

I have a similar use case, but I have nearly 40 fields in the table and I only want the log a single changed field in the log table. 

In coding, I would do something like: 

for field in table_fields:
    if field.prev.value != field.current.value:
        create_logs_record(field.name, field.prev.value, field.current.value, ...)​

Is there a way I can efficiently do this in pipelines using jinja or some other method?
Currently, I have a trigger on update and then a long series of `if changed, create record else ...` which is tedious to create and would be difficult to modify.

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Bradley
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