houqp commented on a change in pull request #651:
URL: https://github.com/apache/arrow-rs/pull/651#discussion_r685619334
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File path: arrow/src/compute/kernels/temporal.rs
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@@ -166,8 +168,62 @@ where
Ok(b.finish())
}
+/// Add the given `time_delta` to each time in the `date_time` array.
+///
+/// # Errors
+/// If the arrays of different lengths.
+pub fn add_time<DateTime, TimeDelta>(
+ date_time: &PrimitiveArray<DateTime>,
+ time_delta: &PrimitiveArray<TimeDelta>,
+) -> Result<PrimitiveArray<DateTime>>
+where
+ DateTime: ArrowTimestampType,
Review comment:
+1 for a more generic `ArrowTimestampType` trait.
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