update README.md

danielgafni · Jun 29, 2023 · fb4a022 · fb4a022
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Showing 1 changed file with 2 additions and 2 deletions.
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    - inherits all the features of the `UPathIOManager` - works with local and remote filesystems (like S3),
        supports loading multiple partitions (use `dict[str, pl.DataFrame]` type annotation), ...
    - Implemented serialization formats:
-     - `PolarsParquetIOManager` - for reading and writing files in Apache Parquet format. Supports reading partitioned Parquet datasets (for example, often produced by Spark).
-     - `PolarsDeltaIOManager` - for reading and writing Delta Lake.
+     - `PolarsParquetIOManager` - for reading and writing files in Apache Parquet format. Supports reading partitioned Parquet datasets (for example, often produced by Spark). All read/write options can be set via metadata values.
+     - `PolarsDeltaIOManager` - for reading and writing Delta Lake. All read/write options can be set via metadata values.
  - `BigQueryPolarsIOManager` - for reading and writing data from/to [BigQuery](https://cloud.google.com/bigquery). Supports writing partitioned tables (`"partition_expr"` input metadata key must be specified). Extra dependencies can be installed with `pip install 'dagster-polars[gcp]'`.
 
 ## Quickstart