[GitHub] spark issue #21631: [SPARK-24645][SQL] Skip parsing when csvColumnPruning en...

[MaxGekk]

Github user MaxGekk commented on the issue:

    https://github.com/apache/spark/pull/21631
  
    I have found the places inside of UnivocityParser from where the `null` 
comes. It is interesting that `null` is returned for valid input string `"8"`. 
See the screenshot: 
    <img width="1398" alt="npe_parseline" 
src="https://user-images.githubusercontent.com/1580697/41853682-986d2ec6-788e-11e8-8573-89e00d1e945c.png";>
    



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