tustvold commented on code in PR #1558:
URL: https://github.com/apache/arrow-rs/pull/1558#discussion_r849437690
##########
parquet/src/arrow/arrow_reader.rs:
##########
@@ -154,14 +175,41 @@ impl ArrowReader for ParquetFileArrowReader {
}
impl ParquetFileArrowReader {
+ /// Create a new [`ParquetFileArrowReader`]
pub fn new(file_reader: Arc<dyn FileReader>) -> Self {
- Self { file_reader }
+ Self {
+ file_reader,
+ options: Default::default(),
+ }
+ }
+
+ /// Create a new [`ParquetFileArrowReader`] with the provided
[`ArrowReaderOptions`]
+ pub fn new_with_options(
+ file_reader: Arc<dyn FileReader>,
+ options: ArrowReaderOptions,
+ ) -> Self {
+ Self {
+ file_reader,
+ options,
+ }
}
- // Expose the reader metadata
+ /// Expose the reader metadata
pub fn get_metadata(&mut self) -> ParquetMetaData {
self.file_reader.metadata().clone()
}
+
+ /// Returns the key value metadata, returns `None` if
[`ArrowReaderOptions::skip_arrow_metadata`]
+ fn get_kv_metadata(&self) -> Option<&Vec<KeyValue>> {
+ if self.options.skip_arrow_metadata {
+ return None;
Review Comment:
This can't be written without the change in #1556 to move away from
`&Option<T>`
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