Trait sqlx::prelude::Executor

pub trait Executor<'c>: Send + Debug {
    type Database: Database;
    pub fn fetch_many<'e, 'q, E>(
        self, 
        query: E
    ) -> Pin<Box<dyn Stream<Item = Result<Either<<Self::Database as Database>::Done, <Self::Database as Database>::Row>, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
        E: 'q + Execute<'q, Self::Database>;
    pub fn fetch_optional<'e, 'q, E>(
        self, 
        query: E
    ) -> Pin<Box<dyn Future<Output = Result<Option<<Self::Database as Database>::Row>, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
        E: 'q + Execute<'q, Self::Database>;
    pub fn prepare_with<'e, 'q>(
        self, 
        sql: &'q str, 
        parameters: &'e [<Self::Database as Database>::TypeInfo]
    ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e;

    pub fn execute<'e, 'q, E>(
        self, 
        query: E
    ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Done, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
        E: 'q + Execute<'q, Self::Database>,
    { ... }
    pub fn execute_many<'e, 'q, E>(
        self, 
        query: E
    ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Done, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
        E: 'q + Execute<'q, Self::Database>,
    { ... }
    pub fn fetch<'e, 'q, E>(
        self, 
        query: E
    ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
        E: 'q + Execute<'q, Self::Database>,
    { ... }
    pub fn fetch_all<'e, 'q, E>(
        self, 
        query: E
    ) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row, Global>, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
        E: 'q + Execute<'q, Self::Database>,
    { ... }
    pub fn fetch_one<'e, 'q, E>(
        self, 
        query: E
    ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
        E: 'q + Execute<'q, Self::Database>,
    { ... }
    pub fn prepare<'e, 'q>(
        self, 
        query: &'q str
    ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>>
    where
        'q: 'e,
        'c: 'e,
    { ... }
}

A type that contains or can provide a database connection to use for executing queries against the database.

No guarantees are provided that successive queries run on the same physical database connection.

A Connection is an Executor that guarantees that successive queries are ran on the same physical database connection.

Implemented for the following:

• &Pool
• &mut PoolConnection
• &mut Connection

Associated Types

type Database: Database

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Required methods

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Self::Database as Database>::Done, <Self::Database as Database>::Row>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Self::Database>, 

Execute multiple queries and return the generated results as a stream from each query, in a stream.

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<<Self::Database as Database>::Row>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Self::Database>, 

Execute the query and returns at most one row.

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<Self::Database as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results.

Only some database drivers (PostgreSQL, MSSQL) can take advantage of this extra information to influence parameter type inference.

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Provided methods

pub fn execute<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Done, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Self::Database>, 

Execute the query and return the total number of rows affected.

pub fn execute_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Done, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Self::Database>, 

Execute multiple queries and return the rows affected from each query, in a stream.

pub fn fetch<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Self::Database>, 

Execute the query and return the generated results as a stream.

pub fn fetch_all<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row, Global>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Self::Database>, 

Execute the query and return all the generated results, collected into a Vec.

pub fn fetch_one<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Self::Database>, 

Execute the query and returns exactly one row.

pub fn prepare<'e, 'q>(
    self,
    query: &'q str
) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

Prepare the SQL query to inspect the type information of its parameters and results.

Be advised that when using the query, query_as, or query_scalar functions, the query is transparently prepared and executed.

This explicit API is provided to allow access to the statement metadata available after it prepared but before the first row is returned.

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Implementors

impl<'c> Executor<'c> for &'c mut PoolConnection<Any>

type Database = Any

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Any as Database>::Done, AnyRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Any>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<AnyRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Any>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<Any as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<Any as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut PoolConnection<Mssql>

type Database = Mssql

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Mssql as Database>::Done, MssqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Mssql>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<MssqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Mssql>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<Mssql as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<Mssql as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut PoolConnection<MySql>

type Database = MySql

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<MySql as Database>::Done, MySqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, MySql>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<MySqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, MySql>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<MySql as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<MySql as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut PoolConnection<Postgres>

type Database = Postgres

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Postgres as Database>::Done, PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Postgres>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Postgres>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<Postgres as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<Postgres as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut PoolConnection<Sqlite>

type Database = Sqlite

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Sqlite as Database>::Done, SqliteRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Sqlite>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<SqliteRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, Sqlite>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<Sqlite as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<Sqlite as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut PgListener

type Database = Postgres

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<PgDone, PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut PgListener as Executor<'c>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut PgListener as Executor<'c>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    query: &'q str,
    parameters: &'e [PgTypeInfo]
) -> Pin<Box<dyn Future<Output = Result<PgStatement<'q>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut AnyConnection

type Database = Any

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<AnyDone, AnyRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut AnyConnection as Executor<'c>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<AnyRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut AnyConnection as Executor<'c>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    _parameters: &[AnyTypeInfo]
) -> Pin<Box<dyn Future<Output = Result<AnyStatement<'q>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

pub fn describe<'e, 'q>(
    self,
    sql: &'q str
) -> Pin<Box<dyn Future<Output = Result<Describe<<&'c mut AnyConnection as Executor<'c>>::Database>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut MssqlConnection

type Database = Mssql

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<MssqlDone, MssqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut MssqlConnection as Executor<'c>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<MssqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut MssqlConnection as Executor<'c>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    _parameters: &[MssqlTypeInfo]
) -> Pin<Box<dyn Future<Output = Result<MssqlStatement<'q>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

pub fn describe<'e, 'q>(
    self,
    sql: &'q str
) -> Pin<Box<dyn Future<Output = Result<Describe<<&'c mut MssqlConnection as Executor<'c>>::Database>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut MySqlConnection

type Database = MySql

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<MySqlDone, MySqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut MySqlConnection as Executor<'c>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<MySqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut MySqlConnection as Executor<'c>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    _parameters: &'e [MySqlTypeInfo]
) -> Pin<Box<dyn Future<Output = Result<MySqlStatement<'q>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut PgConnection

type Database = Postgres

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<PgDone, PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut PgConnection as Executor<'c>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut PgConnection as Executor<'c>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [PgTypeInfo]
) -> Pin<Box<dyn Future<Output = Result<PgStatement<'q>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

pub fn describe<'e, 'q>(
    self,
    sql: &'q str
) -> Pin<Box<dyn Future<Output = Result<Describe<<&'c mut PgConnection as Executor<'c>>::Database>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c> Executor<'c> for &'c mut SqliteConnection

type Database = Sqlite

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<SqliteDone, SqliteRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut SqliteConnection as Executor<'c>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<SqliteRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e,
    E: 'q + Execute<'q, <&'c mut SqliteConnection as Executor<'c>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    _parameters: &[SqliteTypeInfo]
) -> Pin<Box<dyn Future<Output = Result<SqliteStatement<'q>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    'c: 'e, 

impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Any>

type Database = Any

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Any as Database>::Done, AnyRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Any> as Executor<'t>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<AnyRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Any> as Executor<'t>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<<&'t mut Transaction<'c, Any> as Executor<'t>>::Database as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<<&'t mut Transaction<'c, Any> as Executor<'t>>::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e, 

impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Mssql>

type Database = Mssql

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Mssql as Database>::Done, MssqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Mssql> as Executor<'t>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<MssqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Mssql> as Executor<'t>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<<&'t mut Transaction<'c, Mssql> as Executor<'t>>::Database as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<<&'t mut Transaction<'c, Mssql> as Executor<'t>>::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e, 

impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, MySql>

type Database = MySql

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<MySql as Database>::Done, MySqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, MySql> as Executor<'t>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<MySqlRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, MySql> as Executor<'t>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<<&'t mut Transaction<'c, MySql> as Executor<'t>>::Database as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<<&'t mut Transaction<'c, MySql> as Executor<'t>>::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e, 

impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Postgres>

type Database = Postgres

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Postgres as Database>::Done, PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Postgres> as Executor<'t>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<PgRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Postgres> as Executor<'t>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<<&'t mut Transaction<'c, Postgres> as Executor<'t>>::Database as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<<&'t mut Transaction<'c, Postgres> as Executor<'t>>::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e, 

impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Sqlite>

type Database = Sqlite

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<Sqlite as Database>::Done, SqliteRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Sqlite> as Executor<'t>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<SqliteRow>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e,
    E: 'q + Execute<'q, <&'t mut Transaction<'c, Sqlite> as Executor<'t>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<<&'t mut Transaction<'c, Sqlite> as Executor<'t>>::Database as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<<&'t mut Transaction<'c, Sqlite> as Executor<'t>>::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e,
    't: 'e, 

impl<'p, '_, DB> Executor<'p> for &'_ Pool<DB> where
    DB: Database,
    &'c mut <DB as Database>::Connection: for<'c> Executor<'c>,
    <&'c mut <DB as Database>::Connection as Executor<'c>>::Database == DB, 

type Database = DB

pub fn fetch_many<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Stream<Item = Result<Either<<DB as Database>::Done, <DB as Database>::Row>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    E: 'q + Execute<'q, <&'_ Pool<DB> as Executor<'p>>::Database>, 

pub fn fetch_optional<'e, 'q, E>(
    self,
    query: E
) -> Pin<Box<dyn Future<Output = Result<Option<<DB as Database>::Row>, Error>> + 'e + Send, Global>> where
    'q: 'e,
    E: 'q + Execute<'q, <&'_ Pool<DB> as Executor<'p>>::Database>, 

pub fn prepare_with<'e, 'q>(
    self,
    sql: &'q str,
    parameters: &'e [<<&'_ Pool<DB> as Executor<'p>>::Database as Database>::TypeInfo]
) -> Pin<Box<dyn Future<Output = Result<<<&'_ Pool<DB> as Executor<'p>>::Database as HasStatement<'q>>::Statement, Error>> + 'e + Send, Global>> where
    'q: 'e, 

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