Struct ShardedWriterBuilder 

pub struct ShardedWriterBuilder { /* private fields */ }

Implementations

impl ShardedWriterBuilder

pub fn new_without_header() -> Self

Start creating a sharded writer for data that don’t have a header.

pub fn new_with_header<T>(header: T) -> Self

where T: Into<StringRecord>,

Start creating a sharded writer for data with the specified header.

pub fn new_from_csv_reader<T>(csv: &mut Reader<T>) -> Result<Self, Error>

where T: Read,

Start creating a sharded writer from the specified csv::Reader

The reader’s header settings will be copied over to the sharded writer.

pub fn with_key_selector<FKey>( self, key_selector: FKey, ) -> ShardedWriterWithKey<FKey>

where FKey: Fn(&StringRecord) -> String,

Specifies how the input will be sharded.

Given a row of input, the key selector determines which shard the record belongs in.