findepi commented on code in PR #17189:
URL: https://github.com/apache/datafusion/pull/17189#discussion_r2277481985
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datafusion/expr/src/logical_plan/extension.rs:
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@@ -57,7 +57,7 @@ pub trait UserDefinedLogicalNode: fmt::Debug + Send + Sync {
fn schema(&self) -> &DFSchemaRef;
/// Perform check of invariants for the extension node.
- fn check_invariants(&self, check: InvariantLevel, plan: &LogicalPlan) ->
Result<()>;
+ fn check_invariants(&self, check: InvariantLevel) -> Result<()>;
Review Comment:
It definitely is. `Drop redundant param from
WindowFunctionDefinition::return_field` is also an API change.
Is there a way to fix UDLN's `check_invariants` gracefully? We can introduce
a new function that delegates to the old (synthesizing temporary `plan`), but
deprecation won't be visible to downstream projects until we remove the old
one. Which sounds like the breakage is still there.
Or should we just rename the `plan` argument to `_ignore` to avoid breaking
change?
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