Mark1626 commented on code in PR #18923:
URL: https://github.com/apache/datafusion/pull/18923#discussion_r2575460532
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datafusion/common/src/pruning.rs:
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@@ -560,6 +560,79 @@ mod tests {
assert_eq!(partition_stats.num_containers(), 2);
}
+ #[test]
+ fn test_partition_pruning_statistics_multiple_positive_values() {
+ let partition_values = vec![
+ vec![ScalarValue::from(1i32), ScalarValue::from(2i32)],
+ vec![ScalarValue::from(3i32), ScalarValue::from(4i32)],
+ ];
+ let partition_fields = vec![
+ Arc::new(Field::new("a", DataType::Int32, false)),
+ Arc::new(Field::new("b", DataType::Int32, false)),
+ ];
+ let partition_stats =
+ PartitionPruningStatistics::try_new(partition_values,
partition_fields)
+ .unwrap();
+
+ let column_a = Column::new_unqualified("a");
+
+ let values = HashSet::from([ScalarValue::from(1i32),
ScalarValue::from(3i32)]);
Review Comment:
Given the partition columns are `(a, b)`, the value of `partition_values` in
the test represent two partitions `(a=1, b=2)` and `(a=3, b=4)`.
The `contained` is done on an array of column `a` values `[1, 3]`, and not a
single tuple `(a=1, b=2)`. Which is why the result is `[true, true]`
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