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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