alamb opened a new issue, #10465:
URL: https://github.com/apache/datafusion/issues/10465
Ah, I think you are asking about getting `LogicalPlan` from
`Arc<LogicalPlan>`
One way to do it today is using `unwrap_arc` (source below) which will only
copy when necessary
```rust
// the builder accepts LogicalPlan only, so a clone needed
let mut builder = LogicalPlanBuilder::from(unwrap_arc(plan));
// making an aggregate plan
builder.aggregate(..);
// this will call Arc::new() on the LogicalPlan contained.
```
https://github.com/apache/datafusion/blob/1eff714ef8356dc305047386ba250b62bed6a795/datafusion/expr/src/logical_plan/tree_node.rs#L368
Separately, adding an `LogicalPlanBuilder::from(input_plan_arc)` would be a
great idea. I'll file a ticket about doing so
_Originally posted by @alamb in
https://github.com/apache/datafusion/pull/10460#discussion_r1597600173_
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