Reduce repetition in try_process_group_by_unnest and try_process_unnest #11714
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Thank you @JasonLi-cn -- this looks like an improvement to me ❤️
cc @jonahgao
| inner_projection_exprs: &mut Vec<Expr>, | ||
| original_exprs: &[Expr], | ||
| ) -> Result<Vec<Expr>> { | ||
| Ok(original_exprs |
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This does the recursion manually -- I wonder if it would be possible / useful to do the recursion using transform_up from TreeNode: https://docs.rs/datafusion/latest/datafusion/common/tree_node/trait.TreeNode.html#method.transform_up
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Thank you @alamb for your review. I'm not quite sure what you mean, maybe you can add more description, thanks again. 🙏
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I think I was confused -- sorry
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I think we can, in fact transform_up_down is needed, i'll introduce why in this PR when it's ready: #11577
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Thanks everyone and thank you @duongcongtoai for the follow up |
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Which issue does this PR close?
Closes #11498 (comment)
Rationale for this change
What changes are included in this PR?
Are these changes tested?
Are there any user-facing changes?