Fix prettyprint for Interval second fractions

arrow-cast/src/display.rs

@@ -89,7 +89,7 @@ macro_rules! make_string_interval_day_time {
             let mins = mins - (hours * 60);
 
             format!(
-                "0 years 0 mons {} days {} hours {} mins {}.{:02} secs",
+                "0 years 0 mons {} days {} hours {} mins {}.{:03} secs",
                 days_parts,
                 hours,
                 mins,
@@ -127,7 +127,7 @@ macro_rules! make_string_interval_month_day_nano {
             let mins = mins - (hours * 60);
 
             format!(
-                "0 years {} mons {} days {} hours {} mins {}.{:02} secs",
+                "0 years {} mons {} days {} hours {} mins {}.{:09} secs",
                 months_part,
                 days_part,
                 hours,

arrow/src/util/pretty.rs

@@ -987,4 +987,88 @@ mod tests {
 
         Ok(())
     }
+
+    #[test]
+    fn test_pretty_format_interval_day_time() -> Result<()> {
+        let arr = Arc::new(arrow_array::IntervalDayTimeArray::from(vec![
+            Some(1),
+            Some(10),
+            Some(100),
+        ]));
+
+        let schema = Arc::new(Schema::new(vec![Field::new(
+            "IntervalDayTime",
+            arr.data_type().clone(),
+            true,
+        )]));
+
+        let batch = RecordBatch::try_new(schema, vec![arr])?;
+
+        let table = pretty_format_batches(&[batch])?.to_string();
+
+        let expected = vec![
+            "+-------------------------------------------------+",
+            "| IntervalDayTime                                 |",
+            "+-------------------------------------------------+",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.001 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.010 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.100 secs |",
+            "+-------------------------------------------------+",
+        ];
+
+        let actual: Vec<&str> = table.lines().collect();
+
+        assert_eq!(expected, actual, "Actual result:\n{}", table);
+
+        Ok(())
+    }
+
+    #[test]
+    fn test_pretty_format_interval_month_day_nano_array() -> Result<()> {
+        let arr = Arc::new(arrow_array::IntervalMonthDayNanoArray::from(vec![
+            Some(1),
+            Some(10),
+            Some(100),
+            Some(1_000),
+            Some(10_000),
+            Some(100_000),
+            Some(1_000_000),
+            Some(10_000_000),
+            Some(100_000_000),
+            Some(1_000_000_000),
+        ]));
+
+        let schema = Arc::new(Schema::new(vec![Field::new(
+            "IntervalMonthDayNano",
+            arr.data_type().clone(),
+            true,
+        )]));
+
+        let batch = RecordBatch::try_new(schema, vec![arr])?;
+
+        let table = pretty_format_batches(&[batch])?.to_string();
+
+        let expected = vec![
+            "+-------------------------------------------------------+",
+            "| IntervalMonthDayNano                                  |",
+            "+-------------------------------------------------------+",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000000001 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000000010 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000000100 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000001000 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000010000 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.000100000 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.001000000 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.010000000 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 0.100000000 secs |",
+            "| 0 years 0 mons 0 days 0 hours 0 mins 1.000000000 secs |",
+            "+-------------------------------------------------------+",
+        ];
+
+        let actual: Vec<&str> = table.lines().collect();
+
+        assert_eq!(expected, actual, "Actual result:\n{}", table);
+
+        Ok(())
+    }
 }