himadripal commented on code in PR #7177:
URL: https://github.com/apache/arrow-rs/pull/7177#discussion_r1966573914
##########
arrow-cast/src/cast/mod.rs:
##########
@@ -8416,92 +8417,92 @@ mod tests {
fn test_parse_string_to_decimal() {
assert_eq!(
Decimal128Type::format_decimal(
- parse_string_to_decimal_native::<Decimal128Type>("123.45",
2).unwrap(),
+ parse_decimal::<Decimal128Type>("123.45", 38, 2).unwrap(),
38,
2,
),
"123.45"
);
assert_eq!(
Decimal128Type::format_decimal(
- parse_string_to_decimal_native::<Decimal128Type>("12345",
2).unwrap(),
+ parse_decimal::<Decimal128Type>("12345", 38, 2).unwrap(),
38,
2,
),
"12345.00"
);
assert_eq!(
Decimal128Type::format_decimal(
- parse_string_to_decimal_native::<Decimal128Type>("0.12345",
2).unwrap(),
+ parse_decimal::<Decimal128Type>("0.12345", 38, 2).unwrap(),
38,
2,
),
"0.12"
);
assert_eq!(
Decimal128Type::format_decimal(
- parse_string_to_decimal_native::<Decimal128Type>(".12345",
2).unwrap(),
+ parse_decimal::<Decimal128Type>(".12345", 38, 2).unwrap(),
38,
2,
),
"0.12"
);
assert_eq!(
Decimal128Type::format_decimal(
- parse_string_to_decimal_native::<Decimal128Type>(".1265",
2).unwrap(),
+ parse_decimal::<Decimal128Type>(".1265", 38, 2).unwrap(),
38,
2,
),
- "0.13"
+ "0.12"
);
assert_eq!(
Decimal128Type::format_decimal(
- parse_string_to_decimal_native::<Decimal128Type>(".1265",
2).unwrap(),
+ parse_decimal::<Decimal128Type>(".1265", 38, 2).unwrap(),
38,
2,
),
- "0.13"
+ "0.12"
);
assert_eq!(
Decimal256Type::format_decimal(
- parse_string_to_decimal_native::<Decimal256Type>("123.45",
3).unwrap(),
+ parse_decimal::<Decimal256Type>("123.45", 38, 3).unwrap(),
38,
3,
),
"123.450"
);
assert_eq!(
Decimal256Type::format_decimal(
- parse_string_to_decimal_native::<Decimal256Type>("12345",
3).unwrap(),
+ parse_decimal::<Decimal256Type>("12345", 38, 3).unwrap(),
38,
3,
),
"12345.000"
);
assert_eq!(
Decimal256Type::format_decimal(
- parse_string_to_decimal_native::<Decimal256Type>("0.12345",
3).unwrap(),
+ parse_decimal::<Decimal256Type>("0.12345", 38, 3).unwrap(),
38,
3,
),
"0.123"
);
assert_eq!(
Decimal256Type::format_decimal(
- parse_string_to_decimal_native::<Decimal256Type>(".12345",
3).unwrap(),
+ parse_decimal::<Decimal256Type>(".12345", 38, 3).unwrap(),
38,
3,
),
"0.123"
);
assert_eq!(
Decimal256Type::format_decimal(
- parse_string_to_decimal_native::<Decimal256Type>(".1265",
3).unwrap(),
+ parse_decimal::<Decimal256Type>(".1265", 38, 3).unwrap(),
38,
3,
),
- "0.127"
+ "0.126"
Review Comment:
parse_decimal does not support rounding yet. it does truncate instead
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