alamb commented on a change in pull request #754:
URL: https://github.com/apache/arrow-datafusion/pull/754#discussion_r672561947
##########
File path: datafusion/tests/parquet_pruning.rs
##########
@@ -136,6 +136,47 @@ async fn prune_date64() {
assert_eq!(output.result_rows, 1, "{}", output.description());
}
+#[tokio::test]
+async fn prune_disabled() {
+ let query = "SELECT * FROM t where nanos < to_timestamp('2020-01-02
01:01:11Z')";
+ let expected_rows = 10;
+
+ // with pruning
+ let output = ContextWithParquet::new(Scenario::Timestamps)
+ .await
+ .query(query)
+ .await;
+
+ // This should prune one without error
+ assert_eq!(output.predicate_evaluation_errors(), Some(0));
+ assert_eq!(output.row_groups_pruned(), Some(1));
+ assert_eq!(
+ output.result_rows,
+ expected_rows,
+ "{}",
+ output.description()
+ );
+
+ // same query, without pruning
+ let config = ExecutionConfig::new().with_parquet_pruning(false);
+
+ let output = ContextWithParquet::with_config(Scenario::Timestamps, config)
+ .await
+ .query(query)
+ .await;
+ println!("{}", output.description());
Review comment:
It is not needed for the test -- it is included in all of the tests in
this module for debugging assistance (when the test fails a log of what is
going on also is dumped). I can remove it if you prefer
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