Enum mz_coord::command::Command

source · [−]

pub enum Command {
    Startup {
        session: Session,
        create_user_if_not_exists: bool,
        cancel_tx: Arc<Sender<Canceled>>,
        tx: Sender<Response<StartupResponse>>,
    },
    Declare {
        name: String,
        stmt: Statement<Raw>,
        param_types: Vec<Option<ScalarType>>,
        session: Session,
        tx: Sender<Response<()>>,
    },
    Describe {
        name: String,
        stmt: Option<Statement<Raw>>,
        param_types: Vec<Option<ScalarType>>,
        session: Session,
        tx: Sender<Response<()>>,
    },
    VerifyPreparedStatement {
        name: String,
        session: Session,
        tx: Sender<Response<()>>,
    },
    Execute {
        portal_name: String,
        session: Session,
        tx: Sender<Response<ExecuteResponse>>,
        span: Span,
    },
    StartTransaction {
        implicit: Option<usize>,
        session: Session,
        tx: Sender<Response<()>>,
    },
    Commit {
        action: EndTransactionAction,
        session: Session,
        tx: Sender<Response<ExecuteResponse>>,
    },
    CancelRequest {
        conn_id: u32,
        secret_key: u32,
    },
    DumpCatalog {
        session: Session,
        tx: Sender<Response<String>>,
    },
    CopyRows {
        id: GlobalId,
        columns: Vec<usize>,
        rows: Vec<Row>,
        session: Session,
        tx: Sender<Response<ExecuteResponse>>,
    },
    Terminate {
        session: Session,
    },
}

Variants

`Startup`

Fields

session: Session

create_user_if_not_exists: bool

cancel_tx: Arc<Sender<Canceled>>

tx: Sender<Response<StartupResponse>>

`Declare`

Fields

name: String

stmt: Statement<Raw>

param_types: Vec<Option<ScalarType>>

session: Session

tx: Sender<Response<()>>

`Describe`

Fields

name: String

stmt: Option<Statement<Raw>>

param_types: Vec<Option<ScalarType>>

session: Session

tx: Sender<Response<()>>

`VerifyPreparedStatement`

Fields

name: String

session: Session

tx: Sender<Response<()>>

`Execute`

Fields

portal_name: String

session: Session

tx: Sender<Response<ExecuteResponse>>

span: Span

`StartTransaction`

Fields

implicit: Option<usize>

session: Session

tx: Sender<Response<()>>

`Commit`

Fields

action: EndTransactionAction

session: Session

tx: Sender<Response<ExecuteResponse>>

`CancelRequest`

Fields

conn_id: u32

secret_key: u32

`DumpCatalog`

Fields

session: Session

tx: Sender<Response<String>>

`CopyRows`

Fields

id: GlobalId

columns: Vec<usize>

rows: Vec<Row>

session: Session

tx: Sender<Response<ExecuteResponse>>

`Terminate`

Fields

session: Session

Trait Implementations

impl Debug for Command

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

Formats the value using the given formatter. Read more

Auto Trait Implementations

impl !RefUnwindSafe for Command

impl Send for Command

impl Sync for Command

impl Unpin for Command

impl !UnwindSafe for Command

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> FutureExt for T

fn with_context(self, otel_cx: Context) -> WithContext<Self>

Attaches the provided Context to this type, returning a WithContext wrapper. Read more

fn with_current_context(self) -> WithContext<Self>

Attaches the current Context to this type, returning a WithContext wrapper. Read more

impl<T> Instrument for T

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoRequest<T> for T

fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request

impl<P, R> ProtoType<R> for P where
R: RustType<P>,

fn into_rust(self) -> Result<R, TryFromProtoError>

See RustType::from_proto.

fn from_rust(rust: &R) -> P

See RustType::into_proto.

impl<T> Same<T> for T

type Output = T

Should always be Self

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more