comphead commented on code in PR #5555:
URL: https://github.com/apache/arrow-datafusion/pull/5555#discussion_r1133172510
##########
datafusion/core/tests/sql/expr.rs:
##########
@@ -1313,6 +1313,23 @@ async fn test_extract_date_part() -> Result<()> {
Ok(())
}
+#[tokio::test]
+async fn test_extract_epoch() -> Result<()> {
+ // test_expression!(
Review Comment:
Thanks @Weijun-H are this commented tests needed?
##########
datafusion/physical-expr/src/datetime_expressions.rs:
##########
@@ -537,6 +539,35 @@ where
to_ticks(array, 1_000_000_000)
}
+fn epoch<T>(array: &PrimitiveArray<T>) -> Result<Float64Array>
+where
+ T: ArrowTemporalType + ArrowNumericType,
+ i64: From<T::Native>,
+{
+ let mut b = Float64Builder::with_capacity(array.len());
+ match array.data_type() {
+ DataType::Timestamp(tu, _) => {
+ for i in 0..array.len() {
+ if array.is_null(i) {
+ b.append_null();
+ } else {
+ let scale = match tu {
+ TimeUnit::Second => 1,
+ TimeUnit::Millisecond => 1_000,
+ TimeUnit::Microsecond => 1_000_000,
+ TimeUnit::Nanosecond => 1_000_000_000,
+ };
+
+ let n: i64 = array.value(i).into();
+ b.append_value(n as f64 / scale as f64);
+ }
+ }
+ }
+ _ => return Err(DataFusionError::Internal("Invalid data
type".to_string())),
Review Comment:
it might be useful to output the wrong datatype in error message
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
