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  1. Spark
  2. SPARK-27534

Do not load `content` column in binary data source if it is not selected

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    • Story
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 3.0.0
    • 3.0.0
    • SQL
    • None

    Description

      A follow-up task from SPARK-25348. To save I/O cost, Spark shouldn't attempt to read the file if users didn't request the `content` column. For example:

      spark.read.format("binaryFile").load(path).filter($"length" < 1000000).count()

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          Story - Created by Jira Software - do not edit or delete. Issue type for a user story. SPARK-25348 Data source for binary files

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

          Web Link GitHub Pull Request #24473

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            People

              weichenxu123 Weichen Xu
              mengxr Xiangrui Meng
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                Updated:
                Resolved: