pub fn encode_positions(data: &[Position]) -> Result<RecordBatch, ArrowError>Expand description
Encodes positions as a display-friendly Arrow [RecordBatch].
Emits Utf8 columns for identifiers and enums, Float64 columns for
quantities and PnL amounts, Timestamp(Nanosecond) columns for all time
fields, and Boolean columns for is_inverse and is_currency_pair.
The trade_ids and commissions columns carry deterministic JSON payloads
(sorted by trade id and currency respectively) so that repeated encodings
of the same position produce identical bytes.
Returns an empty [RecordBatch] with the correct schema when data is empty.
ยงErrors
Returns an [ArrowError] if the Arrow RecordBatch cannot be constructed.