gabotechs commented on code in PR #16195:
URL: https://github.com/apache/datafusion/pull/16195#discussion_r2120632856
##########
datafusion/physical-plan/src/metrics/value.rs:
##########
@@ -443,6 +528,9 @@ impl MetricValue {
.and_then(|ts| ts.timestamp_nanos_opt())
.map(|nanos| nanos as usize)
.unwrap_or(0),
+ Self::Custom { name, value } => {
+ value.as_usize().unwrap_or_else(||
panic!("MetricValue::as_usize isn't supported for custom metric values.
({name}: {value:?})"))
Review Comment:
Usually panicking is avoided as much as possible, but it seems like it's not
the only place where this can happen, and I have no better alternative without
changing several function signatures. I think it's acceptable, but I'd weight
other contributors opinion on this if any.
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