roeap commented on code in PR #4208:
URL: https://github.com/apache/arrow-rs/pull/4208#discussion_r1191937269
##########
object_store/Cargo.toml:
##########
@@ -33,6 +33,7 @@ async-trait = "0.1.53"
bytes = "1.0"
chrono = { version = "0.4.23", default-features = false, features = ["clock"] }
futures = "0.3"
+humantime = "2.1"
Review Comment:
Here we introduce a new dependency, but since humantime itself comes
dependency-free i felt we can justify this?
The crate has not seen any updated for quite some time, but is relied upon
by some of the msot widely used crates, like cargo, clap, and rustsec.
##########
object_store/src/config.rs:
##########
@@ -79,3 +84,51 @@ impl Parse for bool {
}
}
}
+
+impl Parse for Duration {
+ fn parse(v: &str) -> Result<Self> {
+ parse_duration(v).map_err(|_| Error::Generic {
+ store: "Config",
+ source: format!("failed to parse \"{v}\" as Duration").into(),
+ })
+ }
+}
+
+impl Parse for usize {
+ fn parse(v: &str) -> Result<Self> {
+ Self::from_str(v).map_err(|_| Error::Generic {
+ store: "Config",
+ source: format!("failed to parse \"{v}\" as usize").into(),
+ })
+ }
+}
+
+impl Parse for HeaderValue {
+ fn parse(v: &str) -> Result<Self> {
+ Self::from_str(v).map_err(|_| Error::Generic {
+ store: "Config",
+ source: format!("failed to parse \"{v}\" as HeaderValue").into(),
+ })
+ }
+}
+
+pub(crate) fn fmt_duration(duration: &ConfigValue<Duration>) -> String {
Review Comment:
`Duration` does not implement `Display`, but we also cannot implement
`Display` for `ConfigValue<Duration>`, since the compiler believes this may be
implemented one day, at which time it would conflict with the generic
implementation. Thus i went for a simple function.
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