pub enum PoolGuard {
Pg(PoolConnection<Postgres>),
My(PoolConnection<MySql>),
Sq(PoolConnection<Sqlite>),
}Expand description
三种驱动的连接 guard 的聚合类型。Drop 即归还连接。
PoolConnection<DB> 自身持有 Arc,无需生命周期参数。
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Auto Trait Implementations§
impl !RefUnwindSafe for PoolGuard
impl !UnwindSafe for PoolGuard
impl Freeze for PoolGuard
impl Send for PoolGuard
impl Sync for PoolGuard
impl Unpin for PoolGuard
impl UnsafeUnpin for PoolGuard
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