Struct LoadDataOperator 

pub struct LoadDataOperator { /* private fields */ }

Operator that reads a data file and produces one row per record.

CSV with headers: each row is a Value::Map with column names as keys. CSV without headers: each row is a Value::List of string values. JSONL: each row is a Value::Map from JSON object fields. Parquet: each row is a Value::Map from column names.

Implementations

impl LoadDataOperator

pub fn new( path: String, format: LoadDataFormat, with_headers: bool, field_terminator: Option<char>, _variable: String, ) -> Self

Creates a new LOAD DATA operator.

Trait Implementations

impl Operator for LoadDataOperator

fn next(&mut self) -> OperatorResult

Pulls the next batch of data. Returns None when exhausted.

fn reset(&mut self)

Resets to initial state so you can iterate again.

fn name(&self) -> &'static str

Returns a name for debugging/explain output.