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  1. Apache Drill
  2. DRILL-7311

Partial fixes for empty batch bugs

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: 1.16.0
    • Fix Version/s: 1.18.0
    • Component/s: None
    • Labels:
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      Description

      DRILL-7305 explains that multiple operators have serious bugs when presented with empty batches. DRILL-7306 explains that the EVF (AKA "new scan framework") was originally coded to emit an empty "fast schema" batch, but that the feature was disabled because of the many empty-batch operator failures.

      This ticket covers a set of partial fixes for empty-batch issues. This is the result of work done to get the converted JSON reader to work with a "fast schema." The JSON work, in the end, revealed that Drill has too many bugs to enable fast schema, and so the DRILL-7306 was implemented instead.

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              • Assignee:
                Paul.Rogers Paul Rogers
                Reporter:
                Paul.Rogers Paul Rogers
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                • Created:
                  Updated:
                  Resolved: