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Add example of expr apis including simplification and coercion #3740

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3 of 5 tasks
alamb opened this issue Oct 6, 2022 · 0 comments · Fixed by #3814
Closed
3 of 5 tasks

Add example of expr apis including simplification and coercion #3740

alamb opened this issue Oct 6, 2022 · 0 comments · Fixed by #3814
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enhancement New feature or request

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@alamb
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alamb commented Oct 6, 2022

Is your feature request related to a problem or challenge? Please describe what you are trying to do.

We [programmatically make Exprs in IOx]
Also I think it would be a good time to start documenting / providing examples of working with the DataFusion Expr APIs as they are quite powerful (e.g the rewrite rules are getting quite sophisticated)

I also think writing some better examples will help improve the API / UX experience as I will

I have found several UX / improvements I will file as a part of writing this

Describe the solution you'd like

Describe alternatives you've considered
Not document and keep all the sweet sweet tech hidden -- lol.

Additional context
See #3709 and #3708

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