alamb commented on code in PR #4255:
URL: https://github.com/apache/arrow-datafusion/pull/4255#discussion_r1025451489
##########
datafusion/core/src/physical_plan/file_format/parquet/page_filter.rs:
##########
@@ -390,16 +405,50 @@ macro_rules! get_min_max_values_for_page_index {
match $self.col_page_indexes {
Index::NONE => None,
Index::INT32(index) => {
- let vec = &index.indexes;
- Some(Arc::new(Int32Array::from_iter(
- vec.iter().map(|x| x.$func().cloned()),
- )))
+ match $self.target_type {
+ // int32 to decimal with the precision and scale
+ Some(DataType::Decimal128(precision, scale)) => {
+ let vec = &index.indexes;
+ if let Ok(arr) = Decimal128Array::from_iter_values(
+ vec.iter().map(|x| *x.$func().unwrap() as i128),
+ )
+ .with_precision_and_scale(*precision, *scale)
+ {
+ return Some(Arc::new(arr));
+ } else {
+ return None;
+ }
+ }
+ _ => {
+ let vec = &index.indexes;
+ Some(Arc::new(Int32Array::from_iter(
+ vec.iter().map(|x| x.$func().cloned()),
+ )))
+ }
+ }
}
Index::INT64(index) => {
- let vec = &index.indexes;
- Some(Arc::new(Int64Array::from_iter(
- vec.iter().map(|x| x.$func().cloned()),
- )))
+ match $self.target_type {
+ // int64 to decimal with the precision and scale
+ Some(DataType::Decimal128(precision, scale)) => {
+ let vec = &index.indexes;
+ if let Ok(arr) = Decimal128Array::from_iter_values(
+ vec.iter().map(|x| *x.$func().unwrap() as i128),
Review Comment:
I wonder if it would be better to follow the model of below and rather than
unwrapping turn it into 'NULL'
something like 🤔
```suggestion
vec.iter().map(|x| *x.$func().ok()).map(|v| v as
i128),
```
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
