Xuanwo commented on code in PR #6547:
URL: https://github.com/apache/arrow-rs/pull/6547#discussion_r1797062606
##########
arrow-cast/src/cast/mod.rs:
##########
@@ -8517,6 +8520,9 @@ mod tests {
assert!(decimal_arr.is_null(25));
assert!(decimal_arr.is_null(26));
assert!(decimal_arr.is_null(27));
+ assert_eq!("0.000", decimal_arr.value_as_string(28));
Review Comment:
What do you think of adding new tests like the following?
```
assert_eq!("00012345.000", decimal_arr.value_as_string(5));
```
Since we are not trim the prefix `0` anymore.
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