[pull] main from apache:main

[pull]

See Commits and Changes for more details.

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Summary by Sourcery

Add support for coercing INT96 timestamp types in Parquet file schema reading

New Features:

• Introduce ability to coerce INT96 timestamp types to a specific time unit when reading Parquet files

Enhancements:

• Modify Parquet schema fetching to support optional time unit conversion for INT96 timestamps

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request introduces the coerce_int96 option for the Parquet format, allowing users to specify the desired TimeUnit for INT96 timestamps when reading Parquet files. This ensures correct interpretation of INT96 timestamps, which are stored as a combination of days and nanoseconds, into a specific time unit like nanoseconds, microseconds, milliseconds, or seconds.

Sequence diagram for fetching schema with coerce_int96

sequenceDiagram
    participant Client
    participant ParquetFormat
    participant ObjectStore
    participant fetch_schema_with_location
    participant fetch_schema

    Client->>ParquetFormat: Get schema for Parquet file
    ParquetFormat->>fetch_schema_with_location: fetch_schema_with_location(store, file, metadata_size_hint, coerce_int96)
    fetch_schema_with_location->>ObjectStore: Fetch metadata
    ObjectStore-->>fetch_schema_with_location: Metadata
    fetch_schema_with_location->>fetch_schema: fetch_schema(store, file, metadata_size_hint, coerce_int96)
    fetch_schema->>ObjectStore: Fetch Parquet metadata
    ObjectStore-->>fetch_schema: Parquet metadata
    fetch_schema->>fetch_schema: Infer schema from metadata
    alt coerce_int96 is Some
        fetch_schema->>fetch_schema: coerce_int96_to_resolution(schema, time_unit)
    end
    fetch_schema-->>fetch_schema_with_location: Schema
    fetch_schema_with_location-->>ParquetFormat: Schema
    ParquetFormat-->>Client: Schema

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File-Level Changes

Change	Details	Files
Implemented coerce_int96 option to specify the desired TimeUnit for INT96 timestamps when reading Parquet files.	Added coerce_int96 parameter to fetch_schema and fetch_schema_with_location functions. Modified ParquetFormat::infer_schema to pass the coerce_int96 value to fetch_schema_with_location. Implemented parse_coerce_int96_string function to parse the coerce_int96 string to a TimeUnit. Coerce INT96 timestamps to the specified resolution if coerce_int96 is set.	datafusion/datasource-parquet/src/file_format.rs datafusion/datasource-parquet/src/source.rs

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