Github user kiszk commented on a diff in the pull request: https://github.com/apache/spark/pull/19222#discussion_r171282943 --- Diff: common/unsafe/src/main/java/org/apache/spark/unsafe/types/UTF8String.java --- @@ -195,15 +205,15 @@ private static int numBytesForFirstByte(final byte b) { * Returns the number of bytes */ public int numBytes() { - return numBytes; + return (int)base.size(); --- End diff -- Finally, I removed assertion due to performance reason.
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