Simplify accounting for statistics

mkleen · mkleen · commit d5e9604a2e5d · 2026-04-09T01:48:48.000+02:00
diff --git a/datafusion/common/src/heap_size.rs b/datafusion/common/src/heap_size.rs
@@ -46,11 +46,7 @@ impl DFHeapSize for Statistics {
     fn heap_size(&self) -> usize {
         self.num_rows.heap_size()
             + self.total_byte_size.heap_size()
-            + self
-                .column_statistics
-                .iter()
-                .map(|s| s.heap_size())
-                .sum::<usize>()
+            + self.column_statistics.heap_size()
     }
 }
 

Original file line number	Diff line number	Diff line change
`@@ -46,11 +46,7 @@ impl DFHeapSize for Statistics {`
`46`	`46`	`fn heap_size(&self) -> usize {`
`47`	`47`	`self.num_rows.heap_size()`
`48`	`48`	`+ self.total_byte_size.heap_size()`
`49`		`- + self`
`50`		`- .column_statistics`
`51`		`- .iter()`
`52`		`- .map(\|s\| s.heap_size())`
`53`		`- .sum::<usize>()`
	`49`	`+ + self.column_statistics.heap_size()`
`54`	`50`	`}`
`55`	`51`	`}`
`56`	`52`