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  1. IMPALA
  2. IMPALA-6936

LLVM generates toxic x86 assembly for StringFunctions::Trim()

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Details

    • Bug
    • Status: Resolved
    • Critical
    • Resolution: Fixed
    • Impala 2.11.0
    • Impala 2.11.0
    • Backend
    • None
    • ghx-label-6

    Description

      The aggressively optimized IR->x86 assembly translation for UnionNode::MaterializeBatch() generates code for StringFunctions::Trim() that causes a crash in memcpy() due to bad addresses being passed in.

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        Issue Links

          Is contained by

          Improvement - An improvement or enhancement to an existing feature or task. IMPALA-6059 Enhance ltrim() and rtrim() functions to trim any set of characters

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

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              zoram Zoram Thanga
              zoram Zoram Thanga
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              Dates

                Created:
                Updated:
                Resolved: