Struct ParquetMetadata 

pub struct ParquetMetadata {
    pub num_row_groups: usize,
    pub compression: String,
    pub version: i32,
    pub schema_summary: String,
    pub compressed_size_bytes: u64,
    pub uncompressed_size_bytes: Option<u64>,
}

Metadata specific to Parquet files

Fields

num_row_groups: usize

Number of row groups in the Parquet file

compression: String

Compression codec used (e.g., “SNAPPY”, “GZIP”, “ZSTD”, “UNCOMPRESSED”)

version: i32

Parquet file version (e.g., “1.0”, “2.0”)

schema_summary: String

Arrow schema as string representation

compressed_size_bytes: u64

Total compressed size in bytes

uncompressed_size_bytes: Option<u64>

Estimated uncompressed size if available

Trait Implementations

impl Clone for ParquetMetadata

fn clone(&self) -> ParquetMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ParquetMetadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ParquetMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ParquetMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.