Crate parquet_derive
source ·Derive Macros§
- Derive flat, simple RecordReader implementations. Works by parsing a struct tagged with
#[derive(ParquetRecordReader)]and emitting the correct writing code for each field of the struct. Column readers are generated by matching names in the schema to the names in the struct. - Derive flat, simple RecordWriter implementations. Works by parsing a struct tagged with
#[derive(ParquetRecordWriter)]and emitting the correct writing code for each field of the struct. Column writers are generated in the order they are defined.