Struct DatasetMetadata 

pub struct DatasetMetadata {
    pub name: String,
    pub description: Option<String>,
    pub schema_name: String,
    pub row_count: usize,
    pub config: DataConfig,
    pub created_at: DateTime<Utc>,
    pub generation_time_ms: u128,
    pub format: OutputFormat,
    pub file_size_bytes: Option<u64>,
    pub tags: HashMap<String, String>,
}

Dataset metadata

Fields

name: String

Dataset name

description: Option<String>

Dataset description

schema_name: String

Schema name used to generate this dataset

row_count: usize

Number of rows

config: DataConfig

Generation configuration

created_at: DateTime<Utc>

Creation timestamp

generation_time_ms: u128

Generation time in milliseconds

format: OutputFormat

File format

file_size_bytes: Option<u64>

File size in bytes

tags: HashMap<String, String>

Additional metadata

Implementations

impl DatasetMetadata

pub fn new( name: String, schema_name: String, config: DataConfig, format: OutputFormat, ) -> Self

Create new dataset metadata

pub fn set_generation_time(&mut self, time_ms: u128)

Update generation time

pub fn set_file_size(&mut self, size_bytes: u64)

Set file size

pub fn add_tag(&mut self, key: String, value: String)

Add tag

pub fn get_tag(&self, key: &str) -> Option<&String>

Get tag value

pub fn remove_tag(&mut self, key: &str) -> Option<String>

Remove tag

pub fn estimated_size_bytes(&self) -> u64

Get total size in bytes (estimated)

pub fn is_empty(&self) -> bool

Check if dataset is empty

pub fn human_readable_size(&self) -> String

Get human-readable size

Trait Implementations

impl Clone for DatasetMetadata

fn clone(&self) -> DatasetMetadata

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DatasetMetadata

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

Formats the value using the given formatter.

impl Default for DatasetMetadata

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for DatasetMetadata

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for DatasetMetadata

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

where __S: Serializer,

Serialize this value into the given Serde serializer.