Struct diesel::pg::PgConnection

[+] Show declaration

pub struct PgConnection { /* fields omitted */ }

[−] Expand description

The connection string expected by PgConnection::establish should be a PostgreSQL connection string, as documented at https://www.postgresql.org/docs/9.4/static/libpq-connect.html#LIBPQ-CONNSTRING

Methods

impl PgConnection

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pub fn build_transaction(&self) -> TransactionBuilder

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Build a transaction, specifying additional details such as isolation level

See TransactionBuilder for more examples.

conn.build_transaction()
    .read_only()
    .serializable()
    .deferrable()
    .run(|| Ok(()))

Trait Implementations

impl Send for PgConnection

impl SimpleConnection for PgConnection

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fn batch_execute(&self, query: &str) -> QueryResult<()>

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Execute multiple SQL statements within the same string.

impl Connection for PgConnection

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type Backend = Pg

The backend this type connects to

type TransactionManager = AnsiTransactionManager

fn establish(database_url: &str) -> ConnectionResult<PgConnection>

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Establishes a new connection to the database

fn transaction<T, E, F>(&self, f: F) -> Result<T, E> where     F: FnOnce() -> Result<T, E>,     E: From<Error>,

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Executes the given function inside of a database transaction

fn begin_test_transaction(&self) -> QueryResult<()>

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Creates a transaction that will never be committed. This is useful for tests. Panics if called while inside of a transaction.

fn test_transaction<T, E, F>(&self, f: F) -> T where     F: FnOnce() -> Result<T, E>,     E: Debug,

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Executes the given function inside a transaction, but does not commit it. Panics if the given function returns an error.