[ORC-102] RLE v1 decoder bug

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.1, 1.3.0
• Component/s: RLE
• Assignee: Owen O'Malley
• Reporter: Lei Chang
• Created: 28/Sep/16 03:53
• Updated: 06/Oct/16 15:30
• Resolved: 03/Oct/16 17:09

Description

at line 160: https://github.com/apache/orc/blob/master/c%2B%2B/src/RLEv1.cc

notNull[i] should be (notNull[position + i]).

        for (uint64_t i = 0 ; i < count; ++i) {
          if (notNull[i]) {
            data[position + i] = isSigned
                ? unZigZag(readLong())
                : static_cast<int64_t>(readLong());
            ++consumed;
          }
        }