sqlx_oldapi

Struct Transaction

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pub struct Transaction<'c, DB>
where
    DB: Database,
{ /* private fields */ }
Expand description

An in-progress database transaction or savepoint.

A transaction starts with a call to Pool::begin or Connection::begin.

A transaction should end with a call to commit or rollback. If neither are called before the transaction goes out-of-scope, rollback is called. In other words, rollback is called on drop if the transaction is still in-progress.

A savepoint is a special mark inside a transaction that allows all commands that are executed after it was established to be rolled back, restoring the transaction state to what it was at the time of the savepoint.

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impl<'c, DB> Transaction<'c, DB>
where DB: Database,

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pub async fn commit(self) -> Result<(), Error>

Commits this transaction or savepoint.

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pub async fn rollback(self) -> Result<(), Error>

Aborts this transaction or savepoint.

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

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type Database = Any

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type Connection = &'t mut <Any as Database>::Connection

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fn acquire( self, ) -> Pin<Box<dyn Future<Output = Result<<&'t mut Transaction<'c, Any> as Acquire<'t>>::Connection, Error>> + Send + 't>>

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fn begin( self, ) -> Pin<Box<dyn Future<Output = Result<Transaction<'t, Any>, Error>> + Send + 't>>

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

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type Database = Mssql

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type Connection = &'t mut <Mssql as Database>::Connection

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fn acquire( self, ) -> Pin<Box<dyn Future<Output = Result<<&'t mut Transaction<'c, Mssql> as Acquire<'t>>::Connection, Error>> + Send + 't>>

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fn begin( self, ) -> Pin<Box<dyn Future<Output = Result<Transaction<'t, Mssql>, Error>> + Send + 't>>

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

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type Database = MySql

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type Connection = &'t mut <MySql as Database>::Connection

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fn acquire( self, ) -> Pin<Box<dyn Future<Output = Result<<&'t mut Transaction<'c, MySql> as Acquire<'t>>::Connection, Error>> + Send + 't>>

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fn begin( self, ) -> Pin<Box<dyn Future<Output = Result<Transaction<'t, MySql>, Error>> + Send + 't>>

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

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type Database = Postgres

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type Connection = &'t mut <Postgres as Database>::Connection

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fn acquire( self, ) -> Pin<Box<dyn Future<Output = Result<<&'t mut Transaction<'c, Postgres> as Acquire<'t>>::Connection, Error>> + Send + 't>>

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fn begin( self, ) -> Pin<Box<dyn Future<Output = Result<Transaction<'t, Postgres>, Error>> + Send + 't>>

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

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type Database = Sqlite

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type Connection = &'t mut <Sqlite as Database>::Connection

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fn acquire( self, ) -> Pin<Box<dyn Future<Output = Result<<&'t mut Transaction<'c, Sqlite> as Acquire<'t>>::Connection, Error>> + Send + 't>>

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fn begin( self, ) -> Pin<Box<dyn Future<Output = Result<Transaction<'t, Sqlite>, Error>> + Send + 't>>

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impl<'c, DB> Debug for Transaction<'c, DB>
where DB: Database,

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

Formats the value using the given formatter. Read more
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impl<'c, DB> Deref for Transaction<'c, DB>
where DB: Database,

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type Target = <DB as Database>::Connection

The resulting type after dereferencing.
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fn deref(&self) -> &<Transaction<'c, DB> as Deref>::Target

Dereferences the value.
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impl<'c, DB> DerefMut for Transaction<'c, DB>
where DB: Database,

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fn deref_mut(&mut self) -> &mut <Transaction<'c, DB> as Deref>::Target

Mutably dereferences the value.
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impl<'c, DB> Drop for Transaction<'c, DB>
where DB: Database,

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fn drop(&mut self)

Executes the destructor for this type. Read more
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impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Any>

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type Database = Any

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

Execute multiple queries and return the generated results as a stream from each query, in a stream.
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fn fetch_optional<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Option<AnyRow>, Error>> + Send + 'e>>
where 'q: 'e, 't: 'e, E: 'q + Execute<'q, <&'t mut Transaction<'c, Any> as Executor<'t>>::Database>,

Execute the query and returns at most one row.
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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>> + Send + 'e>>
where 'q: 'e, 't: 'e,

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results. Read more
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fn execute<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.
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fn execute_many<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
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.
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fn fetch<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.
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fn fetch_all<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row>, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.
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fn fetch_one<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.
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fn prepare<'e, 'q>( self, query: &'q str, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e,

Prepare the SQL query to inspect the type information of its parameters and results. Read more
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impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Mssql>

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type Database = Mssql

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

Execute multiple queries and return the generated results as a stream from each query, in a stream.
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fn fetch_optional<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Option<MssqlRow>, Error>> + Send + 'e>>
where 'q: 'e, 't: 'e, E: 'q + Execute<'q, <&'t mut Transaction<'c, Mssql> as Executor<'t>>::Database>,

Execute the query and returns at most one row.
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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>> + Send + 'e>>
where 'q: 'e, 't: 'e,

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results. Read more
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fn execute<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.
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fn execute_many<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
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.
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fn fetch<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.
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fn fetch_all<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row>, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.
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fn fetch_one<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.
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fn prepare<'e, 'q>( self, query: &'q str, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e,

Prepare the SQL query to inspect the type information of its parameters and results. Read more
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impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, MySql>

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type Database = MySql

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

Execute multiple queries and return the generated results as a stream from each query, in a stream.
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fn fetch_optional<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Option<MySqlRow>, Error>> + Send + 'e>>
where 'q: 'e, 't: 'e, E: 'q + Execute<'q, <&'t mut Transaction<'c, MySql> as Executor<'t>>::Database>,

Execute the query and returns at most one row.
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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>> + Send + 'e>>
where 'q: 'e, 't: 'e,

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results. Read more
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fn execute<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.
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fn execute_many<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
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.
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fn fetch<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.
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fn fetch_all<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row>, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.
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fn fetch_one<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.
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fn prepare<'e, 'q>( self, query: &'q str, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e,

Prepare the SQL query to inspect the type information of its parameters and results. Read more
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impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Postgres>

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type Database = Postgres

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

Execute multiple queries and return the generated results as a stream from each query, in a stream.
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fn fetch_optional<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Option<PgRow>, Error>> + Send + 'e>>
where 'q: 'e, 't: 'e, E: 'q + Execute<'q, <&'t mut Transaction<'c, Postgres> as Executor<'t>>::Database>,

Execute the query and returns at most one row.
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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>> + Send + 'e>>
where 'q: 'e, 't: 'e,

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results. Read more
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fn execute<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.
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fn execute_many<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
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.
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fn fetch<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.
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fn fetch_all<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row>, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.
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fn fetch_one<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.
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fn prepare<'e, 'q>( self, query: &'q str, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e,

Prepare the SQL query to inspect the type information of its parameters and results. Read more
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impl<'c, 't> Executor<'t> for &'t mut Transaction<'c, Sqlite>

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type Database = Sqlite

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

Execute multiple queries and return the generated results as a stream from each query, in a stream.
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fn fetch_optional<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Option<SqliteRow>, Error>> + Send + 'e>>
where 'q: 'e, 't: 'e, E: 'q + Execute<'q, <&'t mut Transaction<'c, Sqlite> as Executor<'t>>::Database>,

Execute the query and returns at most one row.
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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>> + Send + 'e>>
where 'q: 'e, 't: 'e,

Prepare the SQL query, with parameter type information, to inspect the type information about its parameters and results. Read more
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fn execute<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the total number of rows affected.
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fn execute_many<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::QueryResult, Error>> + Send + 'e>>
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.
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fn fetch<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Stream<Item = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return the generated results as a stream.
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fn fetch_all<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<Vec<<Self::Database as Database>::Row>, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and return all the generated results, collected into a Vec.
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fn fetch_one<'e, 'q, E>( self, query: E, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Row, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e, E: 'q + Execute<'q, Self::Database>,

Execute the query and returns exactly one row.
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fn prepare<'e, 'q>( self, query: &'q str, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as HasStatement<'q>>::Statement, Error>> + Send + 'e>>
where 'q: 'e, 'c: 'e,

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

Auto Trait Implementations§

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impl<'c, DB> Freeze for Transaction<'c, DB>
where <DB as Database>::Connection: Freeze,

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impl<'c, DB> !RefUnwindSafe for Transaction<'c, DB>

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impl<'c, DB> Send for Transaction<'c, DB>

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impl<'c, DB> Sync for Transaction<'c, DB>
where <DB as Database>::Connection: Sync,

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impl<'c, DB> Unpin for Transaction<'c, DB>
where <DB as Database>::Connection: Unpin,

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impl<'c, DB> !UnwindSafe for Transaction<'c, DB>

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

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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