yordan-pavlov commented on a change in pull request #1389:
URL: https://github.com/apache/arrow-rs/pull/1389#discussion_r819864343
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File path: parquet/src/file/serialized_reader.rs
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@@ -127,6 +127,56 @@ pub struct SerializedFileReader<R: ChunkReader> {
metadata: ParquetMetaData,
}
+/// A builder for [`ReadOptions`].
+/// For the predicates that are added to the builder,
+/// they will be chained using 'AND' to filter the row groups.
+pub struct ReadOptionsBuilder {
+ predicate: Vec<Box<dyn FnMut(&RowGroupMetaData, usize) -> bool>>,
Review comment:
shouldn't this be plural - `predicates` since it contains a list of
_many_ predicate functions?
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