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  1. IMPALA
  2. IMPALA-6503

Support reading complex types from ORC format files

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Details

    • New Feature
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • None
    • Impala 3.2.0
    • Backend, Frontend
    • None

    Description

      ORC already supports Hive complex(nested) types: STRUCT, ARRAY, MAP, UNION. UNION type is not widely used. Here we track the support of reading STRUCT, ARRAY, MAP types from ORC files.

      Attachments

        Issue Links

          causes

          Bug - A problem which impairs or prevents the functions of the product. IMPALA-8300 Build failed on S3: test_max_nesting_depth (table_format: orc/def/block) timeouts consistently

          • Blocker - Blocks development and/or testing work, production could not run
          • Resolved
          is related to

          Task - A task that needs to be done. IMPALA-8298 Update docs of ORC about complex types support

          • Major - Major loss of function.
          • Closed
          links to

          Web Link Implementation Doc

          Web Link Some examples of the implementation

          Activity

            People

              stigahuang Quanlong Huang
              stigahuang Quanlong Huang
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              Dates

                Created:
                Updated:
                Resolved: