rdblue commented on issue #23714: [SPARK-26744][SQL]Support schema validation in FileDataSourceV2 framework URL: https://github.com/apache/spark/pull/23714#issuecomment-459457190 @gengliangwang, can you be more clear about what you are proposing to add to DSv2? I don't think that simply porting an API from v1 isn't sufficient justification to add to v2, because v1 has so many problems. I'd like to see a description on the JIRA issue that states exactly what is added and how it changes behavior. Until then, please consider this a -1.
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