fix

Author: adriangb

datafusion/core/tests/parquet/mod.rs

@@ -196,6 +196,8 @@ impl ContextWithParquet {
         unit: Unit,
         mut config: SessionConfig,
     ) -> Self {
+        // Use a single partition for deterministic results no matter how many CPUs the host has
+        config = config.with_target_partitions(1);
         let file = match unit {
             Unit::RowGroup(row_per_group) => {
                 config = config.with_parquet_bloom_filter_pruning(true);

datafusion/core/tests/parquet/row_group_pruning.rs

@@ -448,7 +448,7 @@ macro_rules! int_tests {
                     .with_expected_errors(Some(0))
                     .with_matched_by_stats(Some(0))
                     .with_pruned_by_stats(Some(0))
-                    .with_pruned_files(Some(3))
+                    .with_pruned_files(Some(1))
                     .with_matched_by_bloom_filter(Some(0))
                     .with_pruned_by_bloom_filter(Some(0))
                     .with_expected_rows(0)
@@ -1400,7 +1400,7 @@ async fn test_row_group_with_null_values() {
         .with_expected_errors(Some(0))
         .with_matched_by_stats(Some(0))
         .with_pruned_by_stats(Some(0))
-        .with_pruned_files(Some(3))
+        .with_pruned_files(Some(1))
         .with_expected_rows(0)
         .with_matched_by_bloom_filter(Some(0))
         .with_pruned_by_bloom_filter(Some(0))