Struct kdb::Connection[−][src]

pub struct Connection(_);

Represents a connection to a remote or embedded KDB instance, which can be used to send and query data on that instance.

Implementations

impl Connection[src]

pub fn connect(
    hostname: &str,
    port: u16,
    credentials: &str,
    timeout: Option<Duration>
) -> Result<Self, ConnectionError>[src]

[non-embedded only] Connect to a remote instance of KDB.

pub fn new() -> Self[src]

[embedded only] Connect to an embedded KDB instance.

pub fn publish(
    &self,
    callback: &str,
    topic: impl Into<KBox<Any>>,
    object: impl Into<KBox<Any>>
) -> Result<(), Error>[src]

[non-embedded only] Publish a value asynchronously to KDB.

pub fn eval(&self, query: &str) -> Result<KBox<Any>, Error>[src]

Evaluate a q expression with no parameters and return a result.

pub fn eval_1(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

Evaluate a q function with a single parameter and return the result.

pub fn eval_2(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>,
    param_2: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

Evaluate a q function with two parameters and return the result.

pub fn eval_3(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>,
    param_2: impl Into<KBox<Any>>,
    param_3: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

Evaluate a q function with three parameters and return the result.

pub fn eval_4(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>,
    param_2: impl Into<KBox<Any>>,
    param_3: impl Into<KBox<Any>>,
    param_4: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

Evaluate a q function with four parameters and return the result.

pub fn eval_5(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>,
    param_2: impl Into<KBox<Any>>,
    param_3: impl Into<KBox<Any>>,
    param_4: impl Into<KBox<Any>>,
    param_5: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

Evaluate a q function with five parameters and return the result.

pub fn eval_6(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>,
    param_2: impl Into<KBox<Any>>,
    param_3: impl Into<KBox<Any>>,
    param_4: impl Into<KBox<Any>>,
    param_5: impl Into<KBox<Any>>,
    param_6: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

Evaluate a q function with six parameters and return the result.

pub fn eval_7(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>,
    param_2: impl Into<KBox<Any>>,
    param_3: impl Into<KBox<Any>>,
    param_4: impl Into<KBox<Any>>,
    param_5: impl Into<KBox<Any>>,
    param_6: impl Into<KBox<Any>>,
    param_7: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

Evaluate a q function with seven parameters and return the result.

pub fn eval_8(
    &self,
    function: &str,
    param: impl Into<KBox<Any>>,
    param_2: impl Into<KBox<Any>>,
    param_3: impl Into<KBox<Any>>,
    param_4: impl Into<KBox<Any>>,
    param_5: impl Into<KBox<Any>>,
    param_6: impl Into<KBox<Any>>,
    param_7: impl Into<KBox<Any>>,
    param_8: impl Into<KBox<Any>>
) -> Result<KBox<Any>, Error>[src]

See above and add one parameter.

Trait Implementations

impl Drop for Connection[src]

Auto Trait Implementations

Blanket Implementations

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

impl<T> Borrow<T> for T where
    T: ?Sized, [src]

impl<T> BorrowMut<T> for T where
    T: ?Sized, [src]

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, [src]

impl<T, U> TryFrom<U> for T where
    U: Into<T>, [src]

type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, [src]

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

The type returned in the event of a conversion error.