gengliangwang commented on pull request #32814:
URL: https://github.com/apache/spark/pull/32814#issuecomment-856857466
> Does instantToMicros overflow on the values?
@MaxGekk Yes.
```
scala> import org.apache.spark.sql.catalyst.util.DateTimeUtils._
import org.apache.spark.sql.catalyst.util.DateTimeUtils._
scala> instantToMicros(microsToInstant(Long.MinValue))
java.lang.ArithmeticException: long overflow
at java.lang.Math.multiplyExact(Math.java:892)
at
org.apache.spark.sql.catalyst.util.DateTimeUtils$.instantToMicros(DateTimeUtils.scala:389)
... 49 elided
```
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