PostgresBackend

tx2_query::postgres

Struct PostgresBackend 

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pub struct PostgresBackend { /* private fields */ }

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impl PostgresBackend

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pub async fn new(url: &str) -> Result<Self>

Create a new PostgreSQL backend with connection pool

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impl DatabaseBackend for PostgresBackend

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fn connect<'life0, 'async_trait>( url: &'life0 str, ) -> Pin<Box<dyn Future<Output = Result<Self>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Connect to the database
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fn execute<'life0, 'life1, 'async_trait>( &'life0 mut self, sql: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<u64>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Execute a SQL statement (no results)
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fn query<'life0, 'life1, 'async_trait>( &'life0 mut self, sql: &'life1 str, ) -> Pin<Box<dyn Future<Output = Result<QueryResult>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Query and return results
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fn begin_transaction<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Begin a transaction
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fn commit<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Commit the current transaction
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fn rollback<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Rollback the current transaction
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fn is_connected(&self) -> bool

Check if connected
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fn close<'async_trait>( self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait,

Close the connection

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