tustvold commented on code in PR #4307:
URL: https://github.com/apache/arrow-rs/pull/4307#discussion_r1209566002
##########
parquet/src/arrow/arrow_reader/mod.rs:
##########
@@ -420,6 +417,30 @@ impl ParquetRecordBatchReader {
.build()
}
+ /// Create a new [`ParquetRecordBatchReader`] from the provided
[`RowGroups`]
+ ///
+ /// Note: this is a low-level interface see
[`ParquetRecordBatchReader::try_new`] for a
+ /// higher-level interface for reading parquet data from a file
+ pub fn try_new_with_row_groups(
+ levels: &FieldLevels,
+ row_groups: &dyn RowGroups,
+ batch_size: usize,
+ selection: Option<RowSelection>,
+ ) -> Result<Self> {
Review Comment:
We don't need to include a `ProjectionMask` as this can be passed to
`parquet_to_arrow_field_levels` instead
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