maropu commented on issue #23748: [SPARK-23619][SQL] Added default column names for explode & posexplode in comments URL: https://github.com/apache/spark/pull/23748#issuecomment-463008414 ah, yes. I think it'd better to fix this, too, in a separate pr. Probably, I think zero-based indexing is more natural. For example, auto-generated column names in CSV read is baed on zero-based; ``` scala> spark.read.csv("test.csv").show +---+---+---+ |_c0|_c1|_c2| +---+---+---+ | 1| 2| 3| +---+---+---+ ``` Could you check if we have other expressions having one-based indexing?
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