Trait tidb_query_datatype::codec::datum_codec::DatumPayloadEncoder

pub trait DatumPayloadEncoder: NumberEncoder + CompactByteEncoder + JsonEncoder + DecimalEncoder + EnumEncoder {
    fn write_datum_payload_i64(&mut self, v: i64) -> Result<()> { ... }
    fn write_datum_payload_u64(&mut self, v: u64) -> Result<()> { ... }
    fn write_datum_payload_var_i64(&mut self, v: i64) -> Result<()> { ... }
    fn write_datum_payload_f64(&mut self, v: f64) -> Result<()> { ... }
    fn write_datum_payload_decimal(
        &mut self, 
        v: &Decimal, 
        prec: u8, 
        frac: u8
    ) -> Result<()> { ... }
    fn write_datum_payload_compact_bytes(&mut self, v: &[u8]) -> Result<()> { ... }
    fn write_datum_payload_json(&mut self, v: JsonRef<'_>) -> Result<()> { ... }
    fn write_datum_payload_enum_uint(&mut self, v: EnumRef<'_>) -> Result<()> { ... }
}

An encoder to encode the payload part of a datum.

The types this encoder accepts are not fully 1:1 mapping to evaluable types.

Provided methods

fn write_datum_payload_i64(&mut self, v: i64) -> Result<()>

fn write_datum_payload_u64(&mut self, v: u64) -> Result<()>

fn write_datum_payload_var_i64(&mut self, v: i64) -> Result<()>

fn write_datum_payload_f64(&mut self, v: f64) -> Result<()>

fn write_datum_payload_decimal(
    &mut self,
    v: &Decimal,
    prec: u8,
    frac: u8
) -> Result<()>

fn write_datum_payload_compact_bytes(&mut self, v: &[u8]) -> Result<()>

fn write_datum_payload_json(&mut self, v: JsonRef<'_>) -> Result<()>

fn write_datum_payload_enum_uint(&mut self, v: EnumRef<'_>) -> Result<()>

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Implementors

impl<T: BufferWriter> DatumPayloadEncoder for T

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