Transform

datafusion_remote_table

Trait Transform 

Source 
pub trait Transform:
    Debug
    + Send
    + Sync {
    // Required methods
    fn as_any(&self) -> &dyn Any;
    fn transform(
        &self,
        batch: RecordBatch,
        args: TransformArgs<'_>,
    ) -> Result<RecordBatch>;
    fn support_filter_pushdown(
        &self,
        filter: &Expr,
        args: TransformArgs<'_>,
    ) -> Result<TableProviderFilterPushDown>;
    fn unparse_filter(
        &self,
        filter: &Expr,
        args: TransformArgs<'_>,
    ) -> Result<String>;
}

Required Methods§

Source

fn as_any(&self) -> &dyn Any

Source

fn transform( &self, batch: RecordBatch, args: TransformArgs<'_>, ) -> Result<RecordBatch>

Source

fn support_filter_pushdown( &self, filter: &Expr, args: TransformArgs<'_>, ) -> Result<TableProviderFilterPushDown>

Source

fn unparse_filter( &self, filter: &Expr, args: TransformArgs<'_>, ) -> Result<String>

Implementors§