Andy Grove created ARROW-11047: ---------------------------------- Summary: [Rust] [DataFusion] ParquetTable should avoid scanning all files twice Key: ARROW-11047 URL: https://issues.apache.org/jira/browse/ARROW-11047 Project: Apache Arrow Issue Type: Improvement Components: Rust - DataFusion Reporter: Andy Grove
ParquetTable currently reads the metadata for all files once in the constructor in order to get the schema, and does it again each time scan() is called. We could read the metadata once and cache it instead. -- This message was sent by Atlassian Jira (v8.3.4#803005)