Support Date Parquet Data Page Statistics (#11135)

* add Date Parquet Data Page Statistics

* indentation for readability

Author: dharanad

datafusion/core/src/datasource/physical_plan/parquet/statistics.rs

@@ -701,6 +701,20 @@ macro_rules! get_data_page_statistics {
                         TimeUnit::Nanosecond => Arc::new(TimestampNanosecondArray::from_iter(iter).with_timezone_opt(timezone.clone())),
                     })
                 },
+                Some(DataType::Date32) => Ok(Arc::new(Date32Array::from_iter([<$stat_type_prefix Int32DataPageStatsIterator>]::new($iterator).flatten()))),
+                Some(DataType::Date64) => Ok(
+                    Arc::new(
+                        Date64Array::from([<$stat_type_prefix Int32DataPageStatsIterator>]::new($iterator)
+                            .map(|x| {
+                                x.into_iter()
+                                .filter_map(|x| {
+                                    x.and_then(|x| i64::try_from(x).ok())
+                                })
+                                .map(|x| x * 24 * 60 * 60 * 1000)
+                            }).flatten().collect::<Vec<_>>()
+                        )
+                    )
+                ),
                 _ => unimplemented!()
             }
         }

datafusion/core/tests/parquet/arrow_statistics.rs

@@ -1181,7 +1181,7 @@ async fn test_dates_32_diff_rg_sizes() {
         // row counts are [13, 7]
         expected_row_counts: Some(UInt64Array::from(vec![13, 7])),
         column_name: "date32",
-        check: Check::RowGroup,
+        check: Check::Both,
     }
     .run();
 }
@@ -1324,7 +1324,7 @@ async fn test_dates_64_diff_rg_sizes() {
         expected_null_counts: UInt64Array::from(vec![2, 2]),
         expected_row_counts: Some(UInt64Array::from(vec![13, 7])),
         column_name: "date64",
-        check: Check::RowGroup,
+        check: Check::Both,
     }
     .run();
 }