uros-db commented on code in PR #45421: URL: https://github.com/apache/spark/pull/45421#discussion_r1516389365
########## common/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java: ########## @@ -384,27 +387,47 @@ public boolean startsWith(final UTF8String prefix) { } public boolean startsWith(final UTF8String prefix, int collationId) { - if (CollationFactory.fetchCollation(collationId).isBinaryCollation) { + if (collationId == CollationFactory.DEFAULT_COLLATION_ID) { return this.startsWith(prefix); } if (collationId == CollationFactory.LOWERCASE_COLLATION_ID) { return this.toLowerCase().startsWith(prefix.toLowerCase()); } - return matchAt(prefix, 0, collationId); + if (prefix.numBytes == 0 || this.numBytes == 0) return prefix.numBytes==0; + + String prefixString = StandardCharsets.UTF_8.decode(prefix.getByteBuffer()).toString(), + patternString = StandardCharsets.UTF_8.decode(this.getByteBuffer()).toString(); + + StringSearch search = new StringSearch(prefixString, Review Comment: referring to this PR: https://github.com/apache/spark/pull/45382 you can see that we shouldn't instantiate StringSearch objects outside of CollationFactory as well -- 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