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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