fix(datafusion): restore DeltaScanExec delta_plan accessor

ethan-tyler · ethan-tyler · commit 9d125aaf2acc · 2026-01-23T17:58:48.000-05:00
The DF52 scan visitor expects to extract the KernelScanPlan from DeltaScanExec; keep a small accessor to avoid depending on struct field visibility.

Signed-off-by: Ethan Urbanski &lt;ethan@urbanskitech.com&gt;
diff --git a/crates/core/src/delta_datafusion/table_provider/next/scan/exec.rs b/crates/core/src/delta_datafusion/table_provider/next/scan/exec.rs
@@ -151,9 +151,8 @@ impl DeltaScanExec {
     }
 
     pub(crate) fn delta_plan(&self) -> &KernelScanPlan {
-        &self.scan_plan
+        self.scan_plan.as_ref()
     }
-
     /// Transform the statistics from the inner physical parquet read plan to the logical
     /// schema we expose via the table provider. We do not attempt to provide meaningful
     /// statistics for metadata columns as we do not expect these to be useful in planning.

Original file line number	Diff line number	Diff line change
`@@ -151,9 +151,8 @@ impl DeltaScanExec {`
`151`	`151`	`}`
`152`	`152`
`153`	`153`	`pub(crate) fn delta_plan(&self) -> &KernelScanPlan {`
`154`		`- &self.scan_plan`
	`154`	`+ self.scan_plan.as_ref()`
`155`	`155`	`}`
`156`		`-`
`157`	`156`	`/// Transform the statistics from the inner physical parquet read plan to the logical`
`158`	`157`	`/// schema we expose via the table provider. We do not attempt to provide meaningful`
`159`	`158`	`/// statistics for metadata columns as we do not expect these to be useful in planning.`