POC: Try to optimize columnized_output_exprs
#13018
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logical-expr
Dandandan
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Oct 20, 2024
datafusion/common/src/dfschema.rs
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| .map(|(qualifier, field)| { | ||
| ColumnReference::new(qualifier.cloned(), field.name().as_str()) | ||
| }) | ||
| .collect() |
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This Vec can be avoided by returning iterator?
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Indeed, nice idea. Thanks!
|
The latest commit doesn't make the performance better. Just clean up the codebase. |
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Which issue does this PR close?
Just a POC for #13015 (comment)
Rationale for this change
What changes are included in this PR?
Are these changes tested?
Are there any user-facing changes?