Github user javadba commented on the pull request: https://github.com/apache/spark/pull/1586#issuecomment-50936508 Hi, I have updated the codebase to match our present level of discussions - and to include the merge from upstream. Takuya's test cases have been incorporated as well - but I found some differences in my results. @ueshin please review the following, some of which do differ from your results presented above - especially for UTF-16 checkEvaluation(OctetLength( Literal("\uF93D\uF936\uF949\uF942", StringType), "ISO-8859-1"), 4) // Chinese characters get truncated by ISO-8859-1 encoding checkEvaluation(OctetLength( Literal("\uF93D\uF936\uF949\uF942", StringType), "UTF-8"), 12) // chinese characters checkEvaluation(OctetLength( Literal("\uD840\uDC0B\uD842\uDFB7", StringType), "UTF-8"), 8) // 2 surrogate pairs checkEvaluation(OctetLength( Literal("\uF93D\uF936\uF949\uF942", StringType), "UTF-16"), 10) // chinese characters checkEvaluation(OctetLength( Literal("\uD840\uDC0B\uD842\uDFB7", StringType), "UTF-16"), 10) // 2 surrogate pairs checkEvaluation(OctetLength( Literal("\uF93D\uF936\uF949\uF942", StringType), "UTF-32"), 16) // chinese characters checkEvaluation(OctetLength( Literal("\uD840\uDC0B\uD842\uDFB7", StringType), "UTF-32"), 8) // 2 surrogate pairs
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