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https://issues.apache.org/jira/browse/IMPALA-416?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18046378#comment-18046378
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Raghav Jindal commented on IMPALA-416:
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[~tarmstrong] / [~alex.behm] Can I work on this ?
> Impala and Hive's unescaping of octal escape sequences is flawed.
> -----------------------------------------------------------------
>
> Key: IMPALA-416
> URL: https://issues.apache.org/jira/browse/IMPALA-416
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 1.0
> Reporter: Alexander Behm
> Assignee: Raghav Jindal
> Priority: Trivial
> Labels: newbie
>
> Impala reuses Hive's code to do deal with escape sequences, so both Hive and
> Impala are affected.
> Octal values > 127 fail to unescape properly. This may lead to problems if,
> e.g., a user has text data with exotic single-byte delimiters (UTF-8 single
> byte or ASCII extended).
> For example,
> select "\127" returns "W
> but
> select "\128" returns "128"
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