Struct MssqlConnection 

pub struct MssqlConnection { /* private fields */ }

SQL Server connection.

Implementations

impl MssqlConnection

pub async fn establish(options: &MssqlConnectOptions) -> Result<Self, Error>

Establishes a SQL Server TCP connection and completes PRELOGIN and LOGIN7.

pub const fn transaction_depth(&self) -> usize

Returns the current transaction depth tracked by the connection.

Trait Implementations

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

type Database = Mssql

type Connection = &'c mut <Mssql as Database>::Connection

fn acquire(self) -> BoxFuture<'c, Result<Self::Connection, Error>>

fn begin(self) -> BoxFuture<'c, Result<Transaction<'c, Mssql>, Error>>

impl AnyConnectionBackend for MssqlConnection

fn name(&self) -> &str

The backend name.

fn close(self: Box<Self>) -> BoxFuture<'static, Result<()>>

Explicitly close this database connection.

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

Checks if a connection to the database is still valid.

fn begin(&mut self, statement: Option<SqlStr>) -> BoxFuture<'_, Result<()>>

Begin a new transaction or establish a savepoint within the active transaction.

fn commit(&mut self) -> BoxFuture<'_, Result<()>>

fn rollback(&mut self) -> BoxFuture<'_, Result<()>>

fn start_rollback(&mut self)

fn get_transaction_depth(&self) -> usize

Returns the current transaction depth.

fn shrink_buffers(&mut self)

Forward to Connection::shrink_buffers().

fn fetch_many( &mut self, query: SqlStr, _persistent: bool, arguments: Option<AnyArguments>, ) -> BoxStream<'_, Result<Either<AnyQueryResult, AnyRow>>>

fn fetch_optional( &mut self, query: SqlStr, _persistent: bool, arguments: Option<AnyArguments>, ) -> BoxFuture<'_, Result<Option<AnyRow>>>

fn prepare_with<'c, 'q: 'c>( &'c mut self, sql: SqlStr, parameters: &[AnyTypeInfo], ) -> BoxFuture<'c, Result<AnyStatement>>

fn is_in_transaction(&self) -> bool

Checks if the connection is currently in a transaction.

fn cached_statements_size(&self) -> usize

The number of statements currently cached in the connection.

fn clear_cached_statements( &mut self, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + '_>>

Removes all statements from the cache, closing them on the server if needed.

impl Connection for MssqlConnection

type Database = Mssql

type Options = MssqlConnectOptions

async fn close(self) -> Result<(), Error>

Explicitly close this database connection.

async fn ping(&mut self) -> Result<(), Error>

Checks if a connection to the database is still valid.

fn begin( &mut self, ) -> impl Future<Output = Result<Transaction<'_, Self::Database>, Error>> + Send + '_

Begin a new transaction or establish a savepoint within the active transaction.

fn shrink_buffers(&mut self)

Restore any buffers in the connection to their default capacity, if possible.

fn begin_with( &mut self, statement: impl SqlSafeStr, ) -> impl Future<Output = Result<Transaction<'_, Self::Database>, Error>> + Send

where Self: Sized,

Begin a new transaction with a custom statement.

fn is_in_transaction(&self) -> bool

Returns true if the connection is currently in a transaction.

fn transaction<'a, F, R, E>( &'a mut self, callback: F, ) -> impl Future<Output = Result<R, E>> + Send + 'a

where F: for<'c> FnOnce(&'c mut Transaction<'_, Self::Database>) -> Pin<Box<dyn Future<Output = Result<R, E>> + Send + 'c>> + 'a + for<'c> Send + for<'c> Sync, Self: Sized, R: Send, E: From<Error> + Send,

Execute the function inside a transaction.

fn connect( url: &str, ) -> impl Future<Output = Result<Self, Error>> + Send + 'static

where Self: Sized,

Establish a new database connection.

fn connect_with( options: &Self::Options, ) -> impl Future<Output = Result<Self, Error>> + Send

where Self: Sized,

Establish a new database connection with the provided options.

impl Debug for MssqlConnection

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

Formats the value using the given formatter.

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

type Database = Mssql

fn fetch_many<'e, 'q, E>( self, query: E, ) -> BoxStream<'e, Result<Either<MssqlQueryResult, MssqlRow>, Error>>

where E: Execute<'q, Self::Database> + 'q, 'c: 'e, 'q: 'e,

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

fn fetch_optional<'e, 'q, E>( self, query: E, ) -> BoxFuture<'e, Result<Option<MssqlRow>, Error>>

where E: Execute<'q, Self::Database> + 'q, 'c: 'e, 'q: 'e,

Execute the query and returns at most one row.

fn prepare_with<'e>( self, sql: SqlStr, parameters: &'e [MssqlTypeInfo], ) -> BoxFuture<'e, Result<MssqlStatement, Error>>

where 'c: 'e,

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

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.

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.

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.

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.

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.

fn prepare<'e>( self, query: SqlStr, ) -> Pin<Box<dyn Future<Output = Result<<Self::Database as Database>::Statement, Error>> + Send + 'e>>

where 'c: 'e,

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