dbatomic commented on code in PR #45421: URL: https://github.com/apache/spark/pull/45421#discussion_r1517976807
########## common/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java: ########## @@ -410,7 +414,19 @@ public boolean endsWith(final UTF8String suffix, int collationId) { if (collationId == CollationFactory.LOWERCASE_COLLATION_ID) { return this.toLowerCase().endsWith(suffix.toLowerCase()); } - return matchAt(suffix, numBytes - suffix.numBytes, collationId); + return collatedEndsWith(suffix, collationId); + } + + private boolean collatedEndsWith(final UTF8String suffix, int collationId) { + if (suffix.numBytes == 0 || this.numBytes == 0) { + return suffix.numBytes==0; Review Comment: same for other places. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org