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  1. Tajo (Retired)
  2. TAJO-1402

EvalNode should have TypeDesc instead of DataType as a return type.

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    • Improvement
    • Status: In Progress
    • Major
    • Resolution: Unresolved
    • None
    • 0.13.0
    • None
    • None

    Description

      DataType is a protobuf type, which does not allow recursive nested data structure. To solve this problem, I made TypeDesc which represent recursive nested schemas in TAJO-1329. It is enough to represent just schemas.

      However, in order to enable the logical planner to support fully nested schema, EvalNode also has TypeDesc as a return type. This is because users can project nested primitive fields as well as nested record itself.

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          is required by

          New Feature - A new feature of the product, which has yet to be developed. TAJO-721 Add support for nested tuple or struct type

          • Major - Major loss of function.
          • In Progress

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              hyunsik Hyunsik Choi
              hyunsik Hyunsik Choi
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                Created:
                Updated: