abhioncbr commented on code in PR #10990:
URL: https://github.com/apache/pinot/pull/10990#discussion_r1265649633
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/creator/impl/SegmentColumnarIndexCreator.java:
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@@ -605,6 +597,40 @@ static boolean isValidPropertyValue(String value) {
return value.indexOf(',') == -1;
}
+ /**
+ * Helper method to get the valid value for setting min/max.
+ */
+ @VisibleForTesting
+ static String getValidPropertyValue(String value) {
+ int length = value.length();
+ if (length > 0) {
+ // check and replace first character if it's a white space
+ if (Character.isWhitespace(value.charAt(0))) {
+ String unicodeValue = "\\u" + String.format("%04x", (int)
value.charAt(0));
+ value = unicodeValue + value.substring(1);
+ }
+
+ // check and replace last character if it's a white space
+ if (Character.isWhitespace(value.charAt(value.length() - 1))) {
+ String unicodeValue = "\\u" + String.format("%04x", (int)
value.charAt(value.length() - 1));
+ value = value.substring(0, value.length() - 1) + unicodeValue;
+ }
+ }
+
+ // removing the ',' from the value if it's present.
+ if (length > 0 && value.contains(",")) {
+ value = value.replace(",", "\\,");
+ length = value.length(); // updating the length value after escaping ','
+ }
+
+ // taking first m characters of the value if length is greater than
METADATA_PROPERTY_LENGTH_LIMIT
+ if (length > METADATA_PROPERTY_LENGTH_LIMIT) {
Review Comment:
Please review. Thanks
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