maropu commented on issue #23531: [SPARK-24497][SQL] Support recursive SQL query URL: https://github.com/apache/spark/pull/23531#issuecomment-514865705 hi, @peter-toth, great work! just roughly looking over this pr though, my first impression was that this pr is a bit complicated for supporting `WITH RECURSIVE` as a first step. For better reviews, could you simplify this pr more? As for complicated cases, IMHO its ok to support them step-by-step. Thought?
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