Remove unnecessary api from MemTable (#6861)

Author: metesynnada

datafusion/core/src/datasource/memory.rs

@@ -169,8 +169,8 @@ impl TableProvider for MemTable {
             let inner_vec = arc_inner_vec.read().await;
             partitions.push(inner_vec.clone())
         }
-        Ok(Arc::new(MemoryExec::try_new_owned_data(
-            partitions,
+        Ok(Arc::new(MemoryExec::try_new(
+            &partitions,
             self.schema(),
             projection.cloned(),
         )?))

datafusion/core/src/physical_plan/memory.rs

@@ -151,23 +151,6 @@ impl MemoryExec {
         })
     }
 
-    /// Create a new execution plan for reading in-memory record batches
-    /// The provided `schema` should not have the projection applied.
-    pub fn try_new_owned_data(
-        partitions: Vec<Vec<RecordBatch>>,
-        schema: SchemaRef,
-        projection: Option<Vec<usize>>,
-    ) -> Result<Self> {
-        let projected_schema = project_schema(&schema, projection.as_ref())?;
-        Ok(Self {
-            partitions,
-            schema,
-            projected_schema,
-            projection,
-            sort_information: None,
-        })
-    }
-
     /// Set sort information
     pub fn with_sort_information(
         mut self,