Struct arrow_udf_js::Runtime

pub struct Runtime { /* private fields */ }

The JS UDF runtime.

Implementations

impl Runtime

pub fn new() -> Result<Self>

Create a new JS UDF runtime from a JS code.

pub fn add_function( &mut self, name: &str, return_type: DataType, mode: CallMode, code: &str ) -> Result<()>

Add a JS function.

pub fn add_function_with_handler( &mut self, name: &str, return_type: DataType, mode: CallMode, code: &str, handler: &str ) -> Result<()>

Add a JS function with custom handler name

pub fn call(&self, name: &str, input: &RecordBatch) -> Result<RecordBatch>

Call the JS UDF.

pub fn call_table_function<'a>( &'a self, name: &'a str, input: &'a RecordBatch, chunk_size: usize ) -> Result<RecordBatchIter<'a>>

Call a table function.

Trait Implementations

impl Debug for Runtime

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

Formats the value using the given formatter.

impl Send for Runtime

impl Sync for Runtime