Struct PgTransaction 

pub struct PgTransaction<'a> { /* private fields */ }

A PostgreSQL transaction.

Implementations

impl<'a> PgTransaction<'a>

pub async fn query( &self, sql: &str, params: &[&(dyn ToSql + Sync)], ) -> PgResult<Vec<Row>>

Execute a query and return all rows.

pub async fn query_one( &self, sql: &str, params: &[&(dyn ToSql + Sync)], ) -> PgResult<Row>

Execute a query and return exactly one row.

pub async fn query_opt( &self, sql: &str, params: &[&(dyn ToSql + Sync)], ) -> PgResult<Option<Row>>

Execute a query and return zero or one row.

pub async fn execute( &self, sql: &str, params: &[&(dyn ToSql + Sync)], ) -> PgResult<u64>

Execute a statement and return the number of affected rows.

pub async fn savepoint(&mut self, name: &str) -> PgResult<()>

Create a savepoint.

pub async fn rollback_to(&mut self, name: &str) -> PgResult<()>

Rollback to a savepoint.

pub async fn release_savepoint(&mut self, name: &str) -> PgResult<()>

Release a savepoint.

pub async fn commit(self) -> PgResult<()>

Commit the transaction.

pub async fn rollback(self) -> PgResult<()>

Rollback the transaction.