maropu removed a comment on issue #23942: [SPARK-27033][SQL]Add Optimize rule RewriteArithmeticFiltersOnIntegralColumn URL: https://github.com/apache/spark/pull/23942#issuecomment-473130097 Ah, I see. If we could follow the ANSI standard, this optimization (comparison rewriting) looks reasonable. Anyway, in this pr, we need to narrow down the optimization target to `eq` only.
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