Struct DoPutPreparedStatementResult

pub struct DoPutPreparedStatementResult {
    pub prepared_statement_handle: Option<Bytes>,
}

An optional response returned when DoPut is called with CommandPreparedStatementQuery.

Note on legacy behavior: previous versions of the protocol did not return any result for this command, and that behavior should still be supported by clients. In that case, the client can continue as though the fields in this message were not provided or set to sensible default values.

Fields

prepared_statement_handle: Option<Bytes>

Represents a (potentially updated) opaque handle for the prepared statement on the server. Because the handle could potentially be updated, any previous handles for this prepared statement should be considered invalid, and all subsequent requests for this prepared statement must use this new handle. The updated handle allows implementing query parameters with stateless services.

When an updated handle is not provided by the server, clients should contiue using the previous handle provided by ActionCreatePreparedStatementResonse.

Implementations

impl DoPutPreparedStatementResult

pub fn prepared_statement_handle(&self) -> &[u8]

Returns the value of prepared_statement_handle, or the default value if prepared_statement_handle is unset.

Trait Implementations

impl Clone for DoPutPreparedStatementResult

fn clone(&self) -> DoPutPreparedStatementResult

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DoPutPreparedStatementResult

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

Formats the value using the given formatter.

impl Default for DoPutPreparedStatementResult

fn default() -> Self

Returns the “default value” for a type.

impl Message for DoPutPreparedStatementResult

fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.

fn clear(&mut self)

Clears the message, resetting all fields to their default.

fn encode(&self, buf: &mut impl BufMut) -> Result<(), EncodeError>

where Self: Sized,

Encodes the message to a buffer.

fn encode_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message to a newly allocated buffer.

fn encode_length_delimited( &self, buf: &mut impl BufMut, ) -> Result<(), EncodeError>

where Self: Sized,

Encodes the message with a length-delimiter to a buffer.

fn encode_length_delimited_to_vec(&self) -> Vec<u8>

where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.

fn decode(buf: impl Buf) -> Result<Self, DecodeError>

where Self: Default,

Decodes an instance of the message from a buffer.

fn decode_length_delimited(buf: impl Buf) -> Result<Self, DecodeError>

where Self: Default,

Decodes a length-delimited instance of the message from the buffer.

fn merge(&mut self, buf: impl Buf) -> Result<(), DecodeError>

where Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self.

fn merge_length_delimited(&mut self, buf: impl Buf) -> Result<(), DecodeError>

where Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.

impl PartialEq for DoPutPreparedStatementResult

fn eq(&self, other: &DoPutPreparedStatementResult) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl ProstMessageExt for DoPutPreparedStatementResult

fn type_url() -> &'static str

type_url for this Message

fn as_any(&self) -> Any

Convert this Message to Any

impl StructuralPartialEq for DoPutPreparedStatementResult