vegarsti commented on code in PR #8069:
URL: https://github.com/apache/arrow-rs/pull/8069#discussion_r2594644493
##########
parquet/src/arrow/arrow_writer/mod.rs:
##########
@@ -1215,6 +1226,41 @@ fn write_leaf(writer: &mut ColumnWriter<'_>, levels:
&ArrayLevels) -> Result<usi
write_primitive(typed, array.values(), levels)
}
},
+ ArrowDataType::RunEndEncoded(_, value_type) => match
value_type.data_type() {
+ ArrowDataType::Decimal32(_, _) => {
+ let array = arrow_cast::cast(column,
value_type.data_type())?;
Review Comment:
I'm not sure about these casts... Will this materialize the full values,
kind of ruining the point of doing REE? cc @martin-g
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