[GitHub] [pinot] Jackie-Jiang commented on a diff in pull request #10891: Ensure min/max value generation in the segment metadata.

["Jackie-Jiang (via GitHub)" <gi...@apache.org>]

Jackie-Jiang commented on code in PR #10891:
URL: https://github.com/apache/pinot/pull/10891#discussion_r1243058344


##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/creator/impl/SegmentColumnarIndexCreator.java:
##########
@@ -570,12 +570,14 @@ public static void addColumnMetadataInfo(PropertiesConfiguration properties, Str
   public static void addColumnMinMaxValueInfo(PropertiesConfiguration properties, String column, String minValue,
       String maxValue) {
     if (isValidPropertyValue(minValue)) {
-      properties.setProperty(getKeyFor(column, MIN_VALUE), minValue);
+      properties.setProperty(getKeyFor(column, MIN_VALUE),
+          minValue.substring(0, Math.min(minValue.length(), METADATA_PROPERTY_LENGTH_LIMIT)));
     } else {
       properties.setProperty(getKeyFor(column, MIN_MAX_VALUE_INVALID), true);
     }
     if (isValidPropertyValue(maxValue)) {
-      properties.setProperty(getKeyFor(column, MAX_VALUE), maxValue);
+      properties.setProperty(getKeyFor(column, MAX_VALUE),
+          maxValue.substring(0, Math.min(maxValue.length(), METADATA_PROPERTY_LENGTH_LIMIT)));

Review Comment:
   I'd suggest creating a separate PR to address the invalid value issue if we do want to solve it. This PR can focus on generating min/max value for raw index column



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