Github user cloud-fan commented on the issue: https://github.com/apache/spark/pull/22494 I tried to add a new config, but decided to not do it. The problem is, when users hit SPARK-25454, they must turn off both the `DECIMAL_OPERATIONS_ALLOW_PREC_LOSS` and the new config. `DECIMAL_OPERATIONS_ALLOW_PREC_LOSS` is an internal config and is true by default. The only reason to turn it off is: we hit SPARK-25454. That said, I won't treat it as a regression, as a user will not turn it off to run `select 1234567891 / (1.1 * 2 * 2 * 2 * 2)`.
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