gabotechs commented on code in PR #23680:
URL: https://github.com/apache/datafusion/pull/23680#discussion_r3630888749
##########
datafusion/physical-expr/src/partitioning.rs:
##########
@@ -768,320 +811,114 @@ mod tests {
}
#[test]
- fn test_partitioning_satisfy_by_subset() -> Result<()> {
+ fn test_partitioning_key_satisfaction() -> Result<()> {
let fixture = PartitioningTestFixture::int64(&["a", "b", "c"])?;
+ let unknown: Arc<dyn PhysicalExpr> =
Arc::new(UnKnownColumn::new("dropped"));
let test_cases = vec![
(
- "KeyPartitioned([a, b]) satisfied by Hash([a])",
- fixture.hash_partitioning([0], 4),
+ "exact: KeyPartitioned([a, b]) satisfied by Hash([a, b])",
+ fixture.hash_partitioning([0, 1], 4),
fixture.key_distribution([0, 1]),
- PartitioningSatisfaction::Subset,
- PartitioningSatisfaction::NotSatisfied,
+ PartitioningSatisfaction::Exact,
+ PartitioningSatisfaction::Exact,
),
(
- "KeyPartitioned([a, b, c]) satisfied by Hash([a])",
+ "subset: KeyPartitioned([a, b]) satisfied by Hash([a])",
fixture.hash_partitioning([0], 4),
- fixture.key_distribution([0, 1, 2]),
- PartitioningSatisfaction::Subset,
- PartitioningSatisfaction::NotSatisfied,
- ),
- (
- "KeyPartitioned([a, b, c]) satisfied by Hash([a, b])",
- fixture.hash_partitioning([0, 1], 4),
- fixture.key_distribution([0, 1, 2]),
+ fixture.key_distribution([0, 1]),
PartitioningSatisfaction::Subset,
PartitioningSatisfaction::NotSatisfied,
),
(
- "KeyPartitioned([a, b, c]) satisfied by Hash([b])",
+ "subset: KeyPartitioned([a, b, c]) satisfied by Hash([b])",
fixture.hash_partitioning([1], 4),
fixture.key_distribution([0, 1, 2]),
PartitioningSatisfaction::Subset,
PartitioningSatisfaction::NotSatisfied,
),
(
- "KeyPartitioned([a, b, c]) satisfied by Hash([b, a])",
+ "subset reordered: KeyPartitioned([a, b, c]) satisfied by
Hash([b, a])",
fixture.hash_partitioning([1, 0], 4),
fixture.key_distribution([0, 1, 2]),
PartitioningSatisfaction::Subset,
PartitioningSatisfaction::NotSatisfied,
),
- ];
-
- for (desc, partition, required, expected_with_subset,
expected_without_subset) in
- test_cases
- {
- let result = partition.satisfaction(&required,
&fixture.eq_properties, true);
- assert_eq!(
- result, expected_with_subset,
- "Failed for {desc} with subset enabled"
- );
-
- let result = partition.satisfaction(&required,
&fixture.eq_properties, false);
- assert_eq!(
- result, expected_without_subset,
- "Failed for {desc} with subset disabled"
- );
- }
-
- Ok(())
- }
-
- #[test]
- fn test_partitioning_current_superset() -> Result<()> {
- let fixture = PartitioningTestFixture::int64(&["a", "b", "c"])?;
-
- let test_cases = vec![
(
- "KeyPartitioned([a]) satisfied by Hash([a, b])",
+ "superset: KeyPartitioned([a]) not satisfied by Hash([a, b])",
fixture.hash_partitioning([0, 1], 4),
fixture.key_distribution([0]),
PartitioningSatisfaction::NotSatisfied,
PartitioningSatisfaction::NotSatisfied,
),
(
- "KeyPartitioned([a]) satisfied by Hash([a, b, c])",
+ "superset: KeyPartitioned([a, b]) not satisfied by Hash([a, b,
c])",
fixture.hash_partitioning([0, 1, 2], 4),
- fixture.key_distribution([0]),
+ fixture.key_distribution([0, 1]),
PartitioningSatisfaction::NotSatisfied,
PartitioningSatisfaction::NotSatisfied,
),
(
- "KeyPartitioned([a, b]) satisfied by Hash([a, b, c])",
- fixture.hash_partitioning([0, 1, 2], 4),
+ "partial overlap: KeyPartitioned([a, b]) not satisfied by
Hash([a, c])",
+ fixture.hash_partitioning([0, 2], 4),
fixture.key_distribution([0, 1]),
PartitioningSatisfaction::NotSatisfied,
PartitioningSatisfaction::NotSatisfied,
),
- ];
-
- for (desc, partition, required, expected_with_subset,
expected_without_subset) in
- test_cases
- {
- let result = partition.satisfaction(&required,
&fixture.eq_properties, true);
- assert_eq!(
- result, expected_with_subset,
- "Failed for {desc} with subset enabled"
- );
-
- let result = partition.satisfaction(&required,
&fixture.eq_properties, false);
- assert_eq!(
- result, expected_without_subset,
- "Failed for {desc} with subset disabled"
- );
- }
-
- Ok(())
- }
-
- #[test]
- fn test_partitioning_partial_overlap() -> Result<()> {
Review Comment:
None specifically, just pointing it out so that we don't loose coverage. If
we are still covered, then it should be good 👍
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