Trait mysql_async::prelude::Queryable[−][src]

pub trait Queryable: Send {
    fn ping(&mut self) -> BoxFuture<'_, ()>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;
;

    fn query_iter<'a, Q>(
        &'a mut self, 
        query: Q
    ) -> BoxFuture<'a, QueryResult<'a, 'static, TextProtocol>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: AsRef<str> + Send + Sync + 'a;

    fn prep<'a, Q>(&'a mut self, query: Q) -> BoxFuture<'a, Statement>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: AsRef<str> + Sync + Send + 'a;

    fn close(&mut self, stmt: Statement) -> BoxFuture<'_, ()>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;
;

    fn exec_iter<'a: 's, 's, Q, P>(
        &'a mut self, 
        stmt: Q, 
        params: P
    ) -> BoxFuture<'s, QueryResult<'a, 'static, BinaryProtocol>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: StatementLike + 'a,
        P: Into<Params>;

    fn query<'a, T, Q>(&'a mut self, query: Q) -> BoxFuture<'a, Vec<T>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: AsRef<str> + Send + Sync + 'a,
        T: FromRow + Send + 'static;

    fn query_first<'a, T, Q>(&'a mut self, query: Q) -> BoxFuture<'a, Option<T>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: AsRef<str> + Send + Sync + 'a,
        T: FromRow + Send + 'static;

    fn query_map<'a, T, F, Q, U>(
        &'a mut self, 
        query: Q, 
        f: F
    ) -> BoxFuture<'a, Vec<U>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: AsRef<str> + Send + Sync + 'a,
        T: FromRow + Send + 'static,
        F: FnMut(T) -> U + Send + 'a,
        U: Send;

    fn query_fold<'a, T, F, Q, U>(
        &'a mut self, 
        query: Q, 
        init: U, 
        f: F
    ) -> BoxFuture<'a, U>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: AsRef<str> + Send + Sync + 'a,
        T: FromRow + Send + 'static,
        F: FnMut(U, T) -> U + Send + 'a,
        U: Send + 'a;

    fn query_drop<'a, Q>(&'a mut self, query: Q) -> BoxFuture<'a, ()>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        Q: AsRef<str> + Send + Sync + 'a;

    fn exec_batch<'a: 'b, 'b, S, P, I>(
        &'a mut self, 
        stmt: S, 
        params_iter: I
    ) -> BoxFuture<'b, ()>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        S: StatementLike + 'b,
        I: IntoIterator<Item = P> + Send + 'b,
        I::IntoIter: Send,
        P: Into<Params> + Send;

    fn exec<'a: 'b, 'b, T, S, P>(
        &'a mut self, 
        stmt: S, 
        params: P
    ) -> BoxFuture<'b, Vec<T>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        S: StatementLike + 'b,
        P: Into<Params> + Send + 'b,
        T: FromRow + Send + 'static;

    fn exec_first<'a: 'b, 'b, T, S, P>(
        &'a mut self, 
        stmt: S, 
        params: P
    ) -> BoxFuture<'b, Option<T>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        S: StatementLike + 'b,
        P: Into<Params> + Send + 'b,
        T: FromRow + Send + 'static;

    fn exec_map<'a: 'b, 'b, T, S, P, U, F>(
        &'a mut self, 
        stmt: S, 
        params: P, 
        f: F
    ) -> BoxFuture<'b, Vec<U>>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        S: StatementLike + 'b,
        P: Into<Params> + Send + 'b,
        T: FromRow + Send + 'static,
        F: FnMut(T) -> U + Send + 'a,
        U: Send + 'a;

    fn exec_fold<'a: 'b, 'b, T, S, P, U, F>(
        &'a mut self, 
        stmt: S, 
        params: P, 
        init: U, 
        f: F
    ) -> BoxFuture<'b, U>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        S: StatementLike + 'b,
        P: Into<Params> + Send + 'b,
        T: FromRow + Send + 'static,
        F: FnMut(U, T) -> U + Send + 'a,
        U: Send + 'a;

    fn exec_drop<'a: 'b, 'b, S, P>(
        &'a mut self, 
        stmt: S, 
        params: P
    ) -> BoxFuture<'b, ()>ⓘ
Notable traits for BoxFuture<'_, T>
impl<T> Future for BoxFuture<'_, T>    type Output = Result<T>;

    where
        S: StatementLike + 'b,
        P: Into<Params> + Send + 'b;
}

Methods of this trait are used to execute database queries.

Conn is a Queryable as well as Transaction.

Required methods

fn ping(&mut self) -> BoxFuture<'_, ()>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
[src]

Executes COM_PING.

fn query_iter<'a, Q>(
    &'a mut self,
    query: Q
) -> BoxFuture<'a, QueryResult<'a, 'static, TextProtocol>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: AsRef<str> + Send + Sync + 'a, [src]

Performs the given query and returns the result.

fn prep<'a, Q>(&'a mut self, query: Q) -> BoxFuture<'a, Statement>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: AsRef<str> + Sync + Send + 'a, [src]

Prepares the given statement.

Note, that Statement will exist only in the context of this queryable.

Also note, that this call may close the least recently used statement if statement cache is at its capacity (see. stmt_cache_size).

fn close(&mut self, stmt: Statement) -> BoxFuture<'_, ()>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
[src]

Closes the given statement.

Usually there is no need to explicitly close statements (see. stmt_cache_size).

fn exec_iter<'a: 's, 's, Q, P>(
    &'a mut self,
    stmt: Q,
    params: P
) -> BoxFuture<'s, QueryResult<'a, 'static, BinaryProtocol>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: StatementLike + 'a,
    P: Into<Params>, [src]

Executes the given statement with given params.

It'll prepare stmt, if necessary.

fn query<'a, T, Q>(&'a mut self, query: Q) -> BoxFuture<'a, Vec<T>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: AsRef<str> + Send + Sync + 'a,
    T: FromRow + Send + 'static, [src]

Performs the given query and collects the first result set.

fn query_first<'a, T, Q>(&'a mut self, query: Q) -> BoxFuture<'a, Option<T>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: AsRef<str> + Send + Sync + 'a,
    T: FromRow + Send + 'static, [src]

Performs the given query and returns the first row of the first result set.

fn query_map<'a, T, F, Q, U>(
    &'a mut self,
    query: Q,
    f: F
) -> BoxFuture<'a, Vec<U>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: AsRef<str> + Send + Sync + 'a,
    T: FromRow + Send + 'static,
    F: FnMut(T) -> U + Send + 'a,
    U: Send, [src]

Performs the given query and maps each row of the first result set.

fn query_fold<'a, T, F, Q, U>(
    &'a mut self,
    query: Q,
    init: U,
    f: F
) -> BoxFuture<'a, U>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: AsRef<str> + Send + Sync + 'a,
    T: FromRow + Send + 'static,
    F: FnMut(U, T) -> U + Send + 'a,
    U: Send + 'a, [src]

Performs the given query and folds the first result set to a single value.

fn query_drop<'a, Q>(&'a mut self, query: Q) -> BoxFuture<'a, ()>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    Q: AsRef<str> + Send + Sync + 'a, [src]

Performs the given query and drops the query result.

fn exec_batch<'a: 'b, 'b, S, P, I>(
    &'a mut self,
    stmt: S,
    params_iter: I
) -> BoxFuture<'b, ()>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    S: StatementLike + 'b,
    I: IntoIterator<Item = P> + Send + 'b,
    I::IntoIter: Send,
    P: Into<Params> + Send, [src]

Exectues the given statement for each item in the given params iterator.

It'll prepare stmt (once), if necessary.

fn exec<'a: 'b, 'b, T, S, P>(
    &'a mut self,
    stmt: S,
    params: P
) -> BoxFuture<'b, Vec<T>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    S: StatementLike + 'b,
    P: Into<Params> + Send + 'b,
    T: FromRow + Send + 'static, [src]

Exectues the given statement and collects the first result set.

It'll prepare stmt, if necessary.

fn exec_first<'a: 'b, 'b, T, S, P>(
    &'a mut self,
    stmt: S,
    params: P
) -> BoxFuture<'b, Option<T>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    S: StatementLike + 'b,
    P: Into<Params> + Send + 'b,
    T: FromRow + Send + 'static, [src]

Exectues the given statement and returns the first row of the first result set.

It'll prepare stmt, if necessary.

fn exec_map<'a: 'b, 'b, T, S, P, U, F>(
    &'a mut self,
    stmt: S,
    params: P,
    f: F
) -> BoxFuture<'b, Vec<U>>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    S: StatementLike + 'b,
    P: Into<Params> + Send + 'b,
    T: FromRow + Send + 'static,
    F: FnMut(T) -> U + Send + 'a,
    U: Send + 'a, [src]

Exectues the given stmt and maps each row of the first result set.

It'll prepare stmt, if necessary.

fn exec_fold<'a: 'b, 'b, T, S, P, U, F>(
    &'a mut self,
    stmt: S,
    params: P,
    init: U,
    f: F
) -> BoxFuture<'b, U>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    S: StatementLike + 'b,
    P: Into<Params> + Send + 'b,
    T: FromRow + Send + 'static,
    F: FnMut(U, T) -> U + Send + 'a,
    U: Send + 'a, [src]

Exectues the given stmt and folds the first result set to a signel value.

It'll prepare stmt, if necessary.

fn exec_drop<'a: 'b, 'b, S, P>(
    &'a mut self,
    stmt: S,
    params: P
) -> BoxFuture<'b, ()>ⓘ

Notable traits for BoxFuture<'_, T>

impl<T> Future for BoxFuture<'_, T> type Output = Result<T>;
 where
    S: StatementLike + 'b,
    P: Into<Params> + Send + 'b, [src]

Exectues the given statement and drops the result.

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Implementors

impl Queryable for Conn[src]

impl Queryable for Transaction<'_>[src]

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