# parquex v0.3.0 - Table of Contents

> Parquet files and time datasets on local and S3-compatible storage

## Pages

- [Parquex](readme.md)
- [Changelog](changelog.md)
- [Security](security.md)
- [Stores](stores.md)
- [Parquet files](parquet-files.md)
- [Time datasets](datasets.md)
- [Telemetry](telemetry.md)
- [Native runtime](runtime.md)
- [Design](design.md)
- [Storage design](storage.md)
- [Streaming design](streaming.md)
- [Native lifecycle design](native-runtime.md)

## Modules

- [Parquex](Parquex.md): Reads and writes Parquet files through reusable object stores.
- [Parquex.Batch](Parquex.Batch.md): A bounded columnar batch produced by a `Parquex.Stream`.
- [Parquex.Dataset](Parquex.Dataset.md): A validated Parquet dataset beneath one store prefix.
- [Parquex.Dataset.Part](Parquex.Dataset.Part.md): One successfully written dataset part.
- [Parquex.Dataset.Stream](Parquex.Dataset.Stream.md): A pull-based, prefix-pruned stream across dataset parts.
- [Parquex.Dataset.WriteReport](Parquex.Dataset.WriteReport.md): Summary of the parts written by one dataset writer.
- [Parquex.Dataset.Writer](Parquex.Dataset.Writer.md): A foreground, owner-bound writer for bounded time-partitioned Parquet parts.
- [Parquex.Schema](Parquex.Schema.md): The ordered fields in a Parquet batch stream.
- [Parquex.Schema.Field](Parquex.Schema.Field.md): A named, typed, and nullable field in a `Parquex.Schema`.
- [Parquex.Store](Parquex.Store.md): A reusable local or S3-compatible object-storage namespace.
- [Parquex.Store.Metadata](Parquex.Store.Metadata.md): Metadata for one key in a reusable store namespace.
- [Parquex.Store.Writer](Parquex.Store.Writer.md): An owned, monitored staged object writer.
- [Parquex.Stream](Parquex.Stream.md): A single-pass, pull-based stream of bounded `Parquex.Batch` values.
- [Parquex.Telemetry](Parquex.Telemetry.md): Safe, bounded-cardinality telemetry helpers used by Parquex public operations.
- [Parquex.TimePartition](Parquex.TimePartition.md): The validated event-time partition contract for a dataset.
- [Parquex.TimePartition.Partition](Parquex.TimePartition.Partition.md): One canonical UTC partition and its half-open time interval.
- [Parquex.Writer](Parquex.Writer.md): An owned, incremental writer for one Parquet file.

- Exceptions
  - [Parquex.Error](Parquex.Error.md): A stable, contextual error returned by Parquex operations.

