Copilot commented on code in PR #2424:
URL: https://github.com/apache/auron/pull/2424#discussion_r3649500778
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native-engine/datafusion-ext-plans/src/common/row_null_checker.rs:
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@@ -52,15 +60,32 @@ impl RowNullChecker {
/// - `false` bits indicate rows that contain at least one null value
/// - `true` bits indicate rows where all fields are non-null
pub fn has_nulls(&self, rows: &Rows) -> NullBuffer {
- // Create NullBuffer from the collected bits
- NullBuffer::from_iter((0..rows.num_rows()).map(|row_index| {
- let row_data = rows.row(row_index);
- // Check if this row has any null values
- let has_null = self.has_null(row_data.as_ref());
- // NullBuffer uses true for valid (non-null) and false for null
- // So we need to invert the result since has_null returns true for
"has nulls"
- !has_null
- }))
+ let parser = self.row_converter.parser();
+ let parsed_rows = rows
+ .iter()
+ .map(|row| parser.parse(row.data()))
+ .collect::<Vec<_>>();
+ let key_columns = self
+ .row_converter
+ .convert_rows(parsed_rows)
+ .expect("failed to decode row data in RowNullChecker");
+
+ NullBuffer::from_iter(
+ (0..rows.num_rows())
+ .map(|row_index| key_columns.iter().all(|column|
!column.is_null(row_index))),
+ )
Review Comment:
`has_nulls` now panics on row decode failure via `expect(...)`. This code
runs in the join stream path (e.g., StreamCursor) and a panic would abort the
entire query process. Since the method signature can’t return a `Result`,
handle `convert_rows` errors gracefully (e.g., fall back to the existing
byte-level `has_null` path for each row, or another safe default) rather than
crashing.
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