Column-Based Filtering Support for XLS

[sapienza88]

Related #942

Summary: Column-based filtering support for XLS.

What's changed?
Added support for column-based reading for XLS

[nkuprins]

I am not a maintainer, but it might be worth checking contribution guide, as the commit messages and PR don't seem to follow the format :)

[sapienza88]

I am not a maintainer, but it might be worth checking contribution guide, as the commit messages and PR don't seem to follow the format :)

Unless you have a genuine reason related to the review of this PR, I don't feel obliged to respond to your inquiry. It is indeed up to the maintainers of this project to ask me this and only then I can proceed to the modifications.

[delei]

We are grateful to all the volunteers.

All contributors and committers can voluntarily participate in the code review process, have friendly exchanges, and offer their own suggestions.

Although the contribution guidelines are not binding or mandatory, following them can help community members understand the content of PR, which can effectively save time.

[sapienza88]

We are grateful to all the volunteers.

All contributors and comitters can voluntarily participate in the code review process, have friendly exchanges, and offer their own suggestions.

Although the contribution guidelines are not binding or mandatory, following them can help community members understand the content of PR, which can effectively save time.

@delei if anyone has an inquiry about this PR to "understand the content of PR", they can ask directly, but to ask to follow any guideline it is not their responsability as far as I know (+ this PR is a follow-up one to a previous related well-documented merged PR: which makes this PR relatively easier to understand).

[nkuprins]

We are grateful to all the volunteers.
All contributors and comitters can voluntarily participate in the code review process, have friendly exchanges, and offer their own suggestions.
Although the contribution guidelines are not binding or mandatory, following them can help community members understand the content of PR, which can effectively save time.

@delei if anyone has an inquiry about this PR to "understand the content of PR", they can ask directly, but to ask to follow any guideline it is not their responsability as far as I know.

I don't want to spam the thread, but FYI, I was looking at the PR content (not just commit messages). I do this because I have a genuine interest in the project. Besides, Apache is about community, so I obviously have a genuine interest in the code of other people and not just my own.

Regarding formatting guidelines. It was meant to be a kind remark that I noticed and verified. Commit messages and PR template are important to help to understand the code for other people. I did not require you to do anything, as I said "might be worth checking". After that, I wanted to ask the question about the content, but that takes time to verify to be 100% sure.

For your convenience, I will refrain from any remarks specifically about your code or formatting in the future.

Let's end on this and not spam the thread, please :)