Trait RowWriterAction

trait RowWriterAction {
    type Output<'a>;

    const RECORD_TYPE: RecordType;

    // Required methods
    fn output_for<'a>(datum: impl Into<DatumCow<'a>>) -> Self::Output<'a>;
    fn apply(builder: &mut ArrayBuilderImpl, output: Self::Output<'_>);
    fn rollback(builder: &mut ArrayBuilderImpl);
}

Required Associated Constants

const RECORD_TYPE: RecordType

Required Associated Types

type Output<'a>

Required Methods

fn output_for<'a>(datum: impl Into<DatumCow<'a>>) -> Self::Output<'a>

fn apply(builder: &mut ArrayBuilderImpl, output: Self::Output<'_>)

fn rollback(builder: &mut ArrayBuilderImpl)

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl RowWriterAction for DeleteAction

const RECORD_TYPE: RecordType = RecordType::Delete

type Output<'a> = DatumCow<'a>

impl RowWriterAction for InsertAction

const RECORD_TYPE: RecordType = RecordType::Insert

type Output<'a> = DatumCow<'a>

impl RowWriterAction for UpdateAction

const RECORD_TYPE: RecordType = RecordType::Update

type Output<'a> = (DatumCow<'a>, DatumCow<'a>)