Struct Transaction 

pub struct Transaction<'c, C>
where
    C: FirebirdClient,
{ /* private fields */ }

Implementations

impl<'c, C: FirebirdClient> Transaction<'c, C>

pub fn new( conn: &'c mut Connection<C>, confs: TransactionConfiguration, ) -> Result<Self, FbError>

Start a new transaction

pub fn commit(self) -> Result<(), FbError>

Commit the current transaction changes

pub fn commit_retaining(&mut self) -> Result<(), FbError>

Commit the current transaction changes, but allowing to reuse the transaction

pub fn rollback_retaining(&mut self) -> Result<(), FbError>

Rollback the current transaction changes, but allowing to reuse the transaction

pub fn rollback(self) -> Result<(), FbError>

Rollback the current transaction changes

pub fn execute_immediate(&mut self, sql: &str) -> Result<(), FbError>

Execute the statement without returning any row

pub fn prepare<'t>( &'t mut self, sql: &str, named_params: bool, ) -> Result<Statement<'c, 't, C>, FbError>

Prepare a new statement for execute

Trait Implementations

impl<'c, C: FirebirdClient> Drop for Transaction<'c, C>

fn drop(&mut self)

Executes the destructor for this type.

impl<C: FirebirdClient> Execute for Transaction<'_, C>

fn execute<P>(&mut self, sql: &str, params: P) -> Result<usize, FbError>

where P: IntoParams,

Execute a query, may or may not commit the changes and returns the affected rows count

fn execute_returnable<P, R>( &mut self, sql: &str, params: P, ) -> Result<R, FbError>

where P: IntoParams, R: FromRow + 'static,

Execute a query that will return data, like the ‘insert … returning ..’ or ‘execute procedure’.

impl<'c> From<Transaction<'c, NativeFbClient<DynLink>>> for SimpleTransaction<'c>

Available on crate feature linking only.

fn from(tr: Transaction<'c, NativeFbClient<DynLink>>) -> Self

Converts to this type from the input type.

impl<'c> From<Transaction<'c, NativeFbClient<DynLoad>>> for SimpleTransaction<'c>

Available on crate feature dynamic_loading only.

fn from(tr: Transaction<'c, NativeFbClient<DynLoad>>) -> Self

Converts to this type from the input type.

impl<'c> From<Transaction<'c, RustFbClient>> for SimpleTransaction<'c>

Available on crate feature pure_rust only.

fn from(tr: Transaction<'c, RustFbClient>) -> Self

Converts to this type from the input type.

impl<'c, C: FirebirdClient> Queryable for Transaction<'c, C>

fn query_iter<'a, P, R>( &'a mut self, sql: &str, params: P, ) -> Result<Box<dyn Iterator<Item = Result<R, FbError>> + 'a>, FbError>

where P: IntoParams, R: FromRow + 'static,

Returns the results of the query as an iterator.

fn query<P, R>(&mut self, sql: &str, params: P) -> Result<Vec<R>, FbError>

where P: IntoParams, R: FromRow + 'static,

Returns the results of the query as a Vec

fn query_first<P, R>( &mut self, sql: &str, params: P, ) -> Result<Option<R>, FbError>

where P: IntoParams, R: FromRow + 'static,

Returns the first result of the query, or None.

impl<'c> TryFrom<SimpleTransaction<'c>> for Transaction<'c, NativeFbClient<DynLink>>

Available on crate feature linking only.

type Error = FbError

The type returned in the event of a conversion error.

fn try_from(tr: SimpleTransaction<'c>) -> Result<Self, FbError>

Performs the conversion.

impl<'c> TryFrom<SimpleTransaction<'c>> for Transaction<'c, NativeFbClient<DynLoad>>

Available on crate feature dynamic_loading only.

type Error = FbError

The type returned in the event of a conversion error.

fn try_from(tr: SimpleTransaction<'c>) -> Result<Self, FbError>

Performs the conversion.

impl<'c> TryFrom<SimpleTransaction<'c>> for Transaction<'c, RustFbClient>

Available on crate feature pure_rust only.

type Error = FbError

The type returned in the event of a conversion error.

fn try_from(tr: SimpleTransaction<'c>) -> Result<Self, FbError>

Performs the conversion.