[GitHub] arina-ielchiieva commented on a change in pull request #1349: DRILL-6554: Minor code improvements in parquet statistics handling

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arina-ielchiieva commented on a change in pull request #1349: DRILL-6554: Minor code improvements in parquet statistics handling
URL: https://github.com/apache/drill/pull/1349#discussion_r199197846
 
 

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 File path: exec/java-exec/src/main/java/org/apache/drill/exec/store/parquet/ParquetReaderUtility.java
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 @@ -417,16 +417,9 @@ public static DateCorruptionStatus checkForCorruptDateValuesInStatistics(Parquet
             // column does not appear in this file, skip it
             continue;
           }
-          Statistics statistics = footer.getBlocks().get(rowGroupIndex).getColumns().get(colIndex).getStatistics();
-          Integer max = (Integer) statistics.genericGetMax();
-          if (statistics.hasNonNullValue()) {
-            if (max > ParquetReaderUtility.DATE_CORRUPTION_THRESHOLD) {
-              return DateCorruptionStatus.META_SHOWS_CORRUPTION;
-            }
-          } else {
-            // no statistics, go check the first page
-            return DateCorruptionStatus.META_UNCLEAR_TEST_VALUES;
-          }
+          IntStatistics statistics = (IntStatistics)footer.getBlocks().get(rowGroupIndex).getColumns().get(colIndex).getStatistics();
 
 Review comment:
   1. space after `(IntStatistics)`: `(IntStatistics) footer.getBlocks()...`
   2. What if statistics is not int one? Maybe check for instanceOf?

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