Struct DistributedCodec 

pub struct DistributedCodec;

DataFusion PhysicalExtensionCodec implementation that allows serializing and deserializing the custom ExecutionPlans in this project

Implementations

impl DistributedCodec

pub fn new_combined_with_user( cfg: &SessionConfig, ) -> ComposedPhysicalExtensionCodec

Trait Implementations

impl Debug for DistributedCodec

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

Formats the value using the given formatter.

impl PhysicalExtensionCodec for DistributedCodec

fn try_decode( &self, buf: &[u8], inputs: &[Arc<dyn ExecutionPlan>], ctx: &TaskContext, ) -> Result<Arc<dyn ExecutionPlan>>

fn try_encode( &self, node: Arc<dyn ExecutionPlan>, buf: &mut Vec<u8>, ) -> Result<()>

fn try_decode_udf( &self, name: &str, _buf: &[u8], ) -> Result<Arc<ScalarUDF>, DataFusionError>

fn try_encode_udf( &self, _node: &ScalarUDF, _buf: &mut Vec<u8>, ) -> Result<(), DataFusionError>

fn try_decode_expr( &self, _buf: &[u8], _inputs: &[Arc<dyn PhysicalExpr>], ) -> Result<Arc<dyn PhysicalExpr>, DataFusionError>

fn try_encode_expr( &self, _node: &Arc<dyn PhysicalExpr>, _buf: &mut Vec<u8>, ) -> Result<(), DataFusionError>

fn try_decode_udaf( &self, name: &str, _buf: &[u8], ) -> Result<Arc<AggregateUDF>, DataFusionError>

fn try_encode_udaf( &self, _node: &AggregateUDF, _buf: &mut Vec<u8>, ) -> Result<(), DataFusionError>

fn try_decode_udwf( &self, name: &str, _buf: &[u8], ) -> Result<Arc<WindowUDF>, DataFusionError>

fn try_encode_udwf( &self, _node: &WindowUDF, _buf: &mut Vec<u8>, ) -> Result<(), DataFusionError>