Struct DataSample 

pub struct DataSample { /* private fields */ }

Sample data for schema learning.

Implementations

impl DataSample

pub fn from_json(json: &str) -> Result<Self>

Create a data sample from JSON array.

pub fn from_csv(csv: &str) -> Result<Self>

Create a data sample from CSV data.

pub fn field_names(&self) -> HashSet<String>

Get all unique field names across records.

pub fn field_values(&self, field: &str) -> Vec<&Value>

Get values for a specific field.

pub fn len(&self) -> usize

Get number of records.

pub fn is_empty(&self) -> bool

Check if sample is empty.

Trait Implementations

impl Clone for DataSample

fn clone(&self) -> DataSample

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DataSample

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

Formats the value using the given formatter.