Github user HyukjinKwon commented on the issue: https://github.com/apache/spark/pull/20959 For usability, the workaround I suggested above has more flexibility. For example, we can make different operation (e.g, filter) on schema inference path. They are only few lines. Schema inference is discouraged in production line. I believe, for example, just taking 100 records and use the schema makes more sense. I am not against this option but I am saying I don't feel strong on this for above reasons.
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