Minor: consistently apply clippy::clone_on_ref_ptr in all crates
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alamb
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alamb
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Mar 17, 2025
| @@ -145,7 +145,7 @@ impl From<&dyn Session> for TaskContext { | |||
| state.scalar_functions().clone(), | |||
| state.aggregate_functions().clone(), | |||
| state.window_functions().clone(), | |||
| state.runtime_env().clone(), | |||
| Arc::clone(state.runtime_env()), | |||
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this shows what the lint disallows -- when it is an Arc it must use Arc::clone rather than .clone() so it is easier to see when reading the code that no copies are made
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I always wondered what the motivation of the lint is 😆
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That is a good point -- I'll add some comments explaining it
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Which issue does this PR close?
Rationale for this change
Some of the newer DataFusion crates don't have the
clippy::clone_on_ref_ptrlint enabled. This lint is present to make it clear whenclone()is very cheap (because it is on an Arc rather than some structure that requires deep copyingWhat changes are included in this PR?
Here is an example of the lint enabled in the core crate
datafusion/datafusion/core/src/lib.rs
Line 24 in 5224194
Are these changes tested?
By CI
Are there any user-facing changes?
No