Pass task_id to be used for parent class on LoadFileOperator initialisation

[pankajkoti]

The SQL CLI render task for the load_file interface when calling LoadFileOperator needs task_id to be available
as part of the initialisation, hence generate a task_id if it is not provided already and pass it to the parent class for initialisation.

Does this introduce a breaking change?

No

Issue screenshot:

[feluelle]

Also, isn't it possible to add task_id as part of **kwargs to the constructor?

I think the change you propose has the benefit of not having to set it i.e. by setting a default. But it should also work by explicitly setting it, no?

[codecov]

Codecov Report

Base: 94.13% // Head: 94.13% // No change to project coverage 👍

Coverage data is based on head (05cf11f) compared to base (e345796).
Patch has no changes to coverable lines.

Additional details and impacted files

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  Coverage   94.13%   94.13%           
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  Files          17       17           
  Lines         597      597           
  Branches       67       67           
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  Hits          562      562           
  Misses         22       22           
  Partials       13       13           

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[pankajkoti]

Also, isn't it possible to add task_id as part of **kwargs to the constructor?

I think the change you propose has the benefit of not having to set it i.e. by setting a default. But it should also work by explicitly setting it, no?

yes, like we tested, we can pass it from SQL CLI too, and it is good to have this in the operator too that this PR implements.