viirya commented on code in PR #2160:
URL: https://github.com/apache/arrow-rs/pull/2160#discussion_r929243909
##########
parquet/src/arrow/array_reader/builder.rs:
##########
@@ -233,6 +225,18 @@ fn build_primitive_reader(
column_desc,
arrow_type,
),
+ Some(DataType::Decimal(precision, scale)) => {
+ // read decimal data from parquet binary physical type
+ let convert =
DecimalByteArrayConvert::new(DecimalArrayConverter::new(precision as i32, scale
as i32));
+ Ok(Box::new(
+
ComplexObjectArrayReader::<ByteArrayType,DecimalByteArrayConvert>::new(
Review Comment:
style?
```suggestion
ComplexObjectArrayReader::<ByteArrayType,
DecimalByteArrayConvert>::new(
```
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