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ConnectionConfig

Struct ConnectionConfig 

Source
pub struct ConnectionConfig {
    pub db_type: DbType,
    pub host: String,
    pub port: u16,
    pub database: String,
    pub username: String,
    pub password: String,
    pub timeout: Duration,
    pub max_connections: usize,
}
Expand description

数据库连接配置

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§db_type: DbType§host: String§port: u16§database: String§username: String§password: String§timeout: Duration§max_connections: usize

Implementations§

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impl ConnectionConfig

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pub fn sqlite(path: &str) -> Self

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pub fn mysql( host: &str, port: u16, database: &str, username: &str, password: &str, ) -> Self

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pub fn postgresql( host: &str, port: u16, database: &str, username: &str, password: &str, ) -> Self

Examples found in repository?
examples/postgresql_example.rs (line 97)
77async fn demonstrate_database_connection() -> std::result::Result<(), Box<dyn std::error::Error>> {
78    println!("PostgreSQL connection (native wire protocol):");
79    let dsn = Dsn::new(DBDriver::PostgreSQL, PG_DB)
80        .with_host(PG_HOST)
81        .with_port(PG_PORT)
82        .with_username(PG_USER)
83        .with_password(PG_PASS);
84    println!("  DSN: {}", dsn.build());
85
86    // Test actual PostgreSQL connection
87    let db = Database::postgresql(PG_HOST, PG_PORT, PG_DB, PG_USER, PG_PASS).await?;
88    println!("  ✅ Connected to PostgreSQL (native wire protocol)");
89    println!("  DB type: {:?}", db.db_type());
90    println!("  Connected: {}", db.is_connected());
91    db.ping().await?;
92    println!("  ✅ Ping successful");
93    db.close().await?;
94
95    println!();
96    println!("Connection via ConnectionFactory:");
97    let config = ConnectionConfig::postgresql(PG_HOST, PG_PORT, PG_DB, PG_USER, PG_PASS)
98        .with_timeout(std::time::Duration::from_secs(30))
99        .with_max_connections(10);
100    let conn = ConnectionFactory::create_connection(config.clone()).await?;
101    println!("  ✅ Connection created (factory)");
102    println!("  DB type: {:?}", conn.db_type());
103    conn.close().await?;
104
105    println!();
106    println!("Direct PostgresConnection:");
107    let pg = PostgresConnection::new(&config).await?;
108    println!("  ✅ PostgresConnection created");
109    println!("  Connected: {}", pg.is_connected());
110    pg.close().await?;
111
112    Ok(())
113}
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pub fn with_timeout(self, timeout: Duration) -> Self

Examples found in repository?
examples/postgresql_example.rs (line 98)
77async fn demonstrate_database_connection() -> std::result::Result<(), Box<dyn std::error::Error>> {
78    println!("PostgreSQL connection (native wire protocol):");
79    let dsn = Dsn::new(DBDriver::PostgreSQL, PG_DB)
80        .with_host(PG_HOST)
81        .with_port(PG_PORT)
82        .with_username(PG_USER)
83        .with_password(PG_PASS);
84    println!("  DSN: {}", dsn.build());
85
86    // Test actual PostgreSQL connection
87    let db = Database::postgresql(PG_HOST, PG_PORT, PG_DB, PG_USER, PG_PASS).await?;
88    println!("  ✅ Connected to PostgreSQL (native wire protocol)");
89    println!("  DB type: {:?}", db.db_type());
90    println!("  Connected: {}", db.is_connected());
91    db.ping().await?;
92    println!("  ✅ Ping successful");
93    db.close().await?;
94
95    println!();
96    println!("Connection via ConnectionFactory:");
97    let config = ConnectionConfig::postgresql(PG_HOST, PG_PORT, PG_DB, PG_USER, PG_PASS)
98        .with_timeout(std::time::Duration::from_secs(30))
99        .with_max_connections(10);
100    let conn = ConnectionFactory::create_connection(config.clone()).await?;
101    println!("  ✅ Connection created (factory)");
102    println!("  DB type: {:?}", conn.db_type());
103    conn.close().await?;
104
105    println!();
106    println!("Direct PostgresConnection:");
107    let pg = PostgresConnection::new(&config).await?;
108    println!("  ✅ PostgresConnection created");
109    println!("  Connected: {}", pg.is_connected());
110    pg.close().await?;
111
112    Ok(())
113}
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pub fn with_max_connections(self, max: usize) -> Self

Examples found in repository?
examples/postgresql_example.rs (line 99)
77async fn demonstrate_database_connection() -> std::result::Result<(), Box<dyn std::error::Error>> {
78    println!("PostgreSQL connection (native wire protocol):");
79    let dsn = Dsn::new(DBDriver::PostgreSQL, PG_DB)
80        .with_host(PG_HOST)
81        .with_port(PG_PORT)
82        .with_username(PG_USER)
83        .with_password(PG_PASS);
84    println!("  DSN: {}", dsn.build());
85
86    // Test actual PostgreSQL connection
87    let db = Database::postgresql(PG_HOST, PG_PORT, PG_DB, PG_USER, PG_PASS).await?;
88    println!("  ✅ Connected to PostgreSQL (native wire protocol)");
89    println!("  DB type: {:?}", db.db_type());
90    println!("  Connected: {}", db.is_connected());
91    db.ping().await?;
92    println!("  ✅ Ping successful");
93    db.close().await?;
94
95    println!();
96    println!("Connection via ConnectionFactory:");
97    let config = ConnectionConfig::postgresql(PG_HOST, PG_PORT, PG_DB, PG_USER, PG_PASS)
98        .with_timeout(std::time::Duration::from_secs(30))
99        .with_max_connections(10);
100    let conn = ConnectionFactory::create_connection(config.clone()).await?;
101    println!("  ✅ Connection created (factory)");
102    println!("  DB type: {:?}", conn.db_type());
103    conn.close().await?;
104
105    println!();
106    println!("Direct PostgresConnection:");
107    let pg = PostgresConnection::new(&config).await?;
108    println!("  ✅ PostgresConnection created");
109    println!("  Connected: {}", pg.is_connected());
110    pg.close().await?;
111
112    Ok(())
113}

Trait Implementations§

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impl Clone for ConnectionConfig

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fn clone(&self) -> ConnectionConfig

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ConnectionConfig

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for ConnectionConfig

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fn default() -> Self

Returns the “default value” for a type. Read more

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where T: 'static + ?Sized,

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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