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databendlabs · Sep 26, 2023 · 33e171d · 33e171d
1 parent e4cef93
commit 33e171d
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/query/expression/src/kernels/group_by_hash.rs b/src/query/expression/src/kernels/group_by_hash.rs
@@ -621,6 +621,7 @@ fn build(
     Ok(())
 }
 
+/// The serialize_size is equal to the number of bytes required by serialization.
 pub fn serialize_column(
     columns: &[Column],
     num_rows: usize,