Module polars_io::csv::write

source · [−]
Available on crate feature csv-file only.
Expand description

APIs to write to CSV

Structs

SerializeOptions

Options to serialize logical types to CSV The default is to format times and dates as chrono crate formats them.

Functions

new_serializer

Returns a StreamingIterator that yields &[u8] serialized from array according to options. For numeric types, this serializes as usual. For dates, times and timestamps, it uses options to Supported types:

serialize

Serializes Chunk to a vector of rows. The vector is guaranteed to have columns.len() entries. Each row is guaranteed to have columns.array().len() fields.

write_chunk

Writes Chunk to writer according to the serialization options options.

write_header

Writes a CSV header to writer