[ https://issues.apache.org/jira/browse/HIVE-8078?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Prasanth J updated HIVE-8078: ----------------------------- Status: Patch Available (was: Open) > ORC Delta encoding corrupts data when delta overflows long > ---------------------------------------------------------- > > Key: HIVE-8078 > URL: https://issues.apache.org/jira/browse/HIVE-8078 > Project: Hive > Issue Type: Bug > Components: File Formats > Affects Versions: 0.13.1, 0.14.0 > Reporter: Tim Patterson > Priority: Critical > Attachments: HIVE-8078-testcase.patch, HIVE-8078.1.patch, > HIVE-8078.1.patch > > > There is an issue with the integer encoding that can cause corruption in > certain cases. > The following 3 longs cause this failure. > 4513343538618202711 > 2911390882471569739 > -9181829309989854913 > I believe that even though the numbers are in decreasing order, the delta > between the last two numbers overflows causing a positive delta, in this case > the last digit ends up being corrupted (the delta is applied for the wrong > sign resulting in -3442132998776557225 instead of -9181829309989854913. -- This message was sent by Atlassian JIRA (v6.3.4#6332)