Struct diesel::connection::AnsiTransactionManager

[+] Show declaration

pub struct AnsiTransactionManager { /* fields omitted */ }

[−] Expand description

An implementation of TransactionManager which can be used for backends which use ANSI standard syntax for savepoints such as SQLite and PostgreSQL.

Methods

impl AnsiTransactionManager

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pub fn new() -> Self

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Create a new transaction manager

pub fn begin_transaction_sql<Conn>(     &self,     conn: &Conn,     sql: &str ) -> QueryResult<()> where     Conn: SimpleConnection,

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Begin a transaction with custom SQL

This is used by connections to implement more complex transaction APIs to set things such as isolation levels. Returns an error if already inside of a transaction.

Trait Implementations

impl Default for AnsiTransactionManager

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fn default() -> AnsiTransactionManager

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Returns the "default value" for a type.

impl<Conn> TransactionManager<Conn> for AnsiTransactionManager where     Conn: Connection,     Conn::Backend: UsesAnsiSavepointSyntax,

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fn begin_transaction(&self, conn: &Conn) -> QueryResult<()>

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Begin a new transaction or savepoint

fn rollback_transaction(&self, conn: &Conn) -> QueryResult<()>

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Rollback the inner-most transaction or savepoint

fn commit_transaction(&self, conn: &Conn) -> QueryResult<()>

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Commit the inner-most transaction or savepoint

fn get_transaction_depth(&self) -> u32

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Fetch the current transaction depth