xinlifoobar commented on issue #10384:
URL: https://github.com/apache/datafusion/issues/10384#issuecomment-2112041649
Hello @jayzhan211 , I am trying to ramp up the repo via porting the min_max
tests to sqllogictests.
During the migrations, however, I found there are inconsistent behavours. An
example is error handling inside rust class versus through the SQL engine as
such:
- Before:
```rs
let left = ScalarValue::Decimal128(Some(123), 10, 2);
let right = ScalarValue::Decimal128(Some(124), 10, 2);
let result = max(&left, &right)?;
assert_eq!(result, right);
let right = ScalarValue::Decimal128(Some(124), 10, 3);
let result = max(&left, &right);
let err_msg = format!(
"MIN/MAX is not expected to receive scalars of incompatible
types {:?}",
(Decimal128(Some(123), 10, 2), Decimal128(Some(124), 10, 3))
);
let expect = DataFusionError::Internal(err_msg);
assert!(expect
.strip_backtrace()
.starts_with(&result.unwrap_err().strip_backtrace()));
```
- After:
```
statement ok
DROP TABLE decimals;
statement ok
CREATE TABLE decimals_error (value DECIMAL(10, 2));
statement ok
INSERT INTO decimals_error VALUES (123.00), (arrow_cast(124.00,
'Decimal128(10, 3)'));
query R
SELECT MAX(value) FROM decimals_error
----
124
```
As far as I could tell, the error will be lost permanently.
What's your opinions on such migrations? Shall we keep the tests that are
different still in the rs files?
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