refactor(rust): Re-use already decoded metadata for first path (new-p…

…arquet-source) (#18656)
pola-rs · Sep 10, 2024 · 5c4e7e9 · 5c4e7e9
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commit 5c4e7e9
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diff --git a/crates/polars-parquet/src/parquet/metadata/file_metadata.rs b/crates/polars-parquet/src/parquet/metadata/file_metadata.rs
@@ -10,7 +10,7 @@ pub use crate::parquet::thrift_format::KeyValue;
 /// Metadata for a Parquet file.
 // This is almost equal to [`parquet_format_safe::FileMetaData`] but contains the descriptors,
 // which are crucial to deserialize pages.
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 pub struct FileMetadata {
     /// version of this file.
     pub version: i32,