coderfender commented on code in PR #3248:
URL: https://github.com/apache/datafusion-comet/pull/3248#discussion_r2729330770
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native/spark-expr/src/conversion_funcs/cast.rs:
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@@ -2351,73 +2347,98 @@ fn parse_string_to_decimal(s: &str, precision: u8,
scale: i8) -> SparkResult<Opt
return Ok(None);
}
- // validate and parse mantissa and exponent
- match parse_decimal_str(trimmed) {
- Ok((mantissa, exponent)) => {
- // Convert to target scale
- let target_scale = scale as i32;
- let scale_adjustment = target_scale - exponent;
+ // validate and parse mantissa and exponent or bubble up the error
+ let (mantissa, exponent) = parse_decimal_str(
+ trimmed,
+ input_str,
+ "STRING",
+ &format!("DECIMAL({},{})", precision, scale),
Review Comment:
Sure @andygrove
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