fix(planner): Fix prune projection #7013
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sundy-li
approved these changes
Aug 5, 2022
andylokandy
reviewed
Aug 5, 2022
| let mut used: ColumnSet = p.columns.intersection(&required).cloned().collect(); | ||
| if used.is_empty() { | ||
| // Keep at least one column for project. | ||
| used.insert(*p.columns.iter().sorted().take(1).next().ok_or_else(|| { |
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What about using min() instead of sorted().take(1).next()
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Summary
Keep at least one column for
Projectoperator.