Trait DatabaseType 

pub trait DatabaseType {
    type DB: Database + DatabaseInfo;
}

数据库类型提取 trait

用于从 Pool 或 Transaction 中自动推断数据库类型 这样用户就不需要显式指定 find_by_id::<sqlx::MySql, _>，而是可以直接调用 find_by_id_auto(pool, id)

Required Associated Types

type DB: Database + DatabaseInfo

关联的数据库类型

Implementations on Foreign Types

impl DatabaseType for &Pool<MySql>

Available on crate feature mysql only.

type DB = MySql

impl DatabaseType for &Pool<Postgres>

Available on crate feature postgres only.

type DB = Postgres

impl DatabaseType for &Pool<Sqlite>

Available on crate feature sqlite only.

type DB = Sqlite

impl DatabaseType for &mut MySqlConnection

Available on crate feature mysql only.

type DB = MySql

impl DatabaseType for &mut PgConnection

Available on crate feature postgres only.

type DB = Postgres

impl DatabaseType for &mut SqliteConnection

Available on crate feature sqlite only.

type DB = Sqlite

impl DatabaseType for Pool<MySql>

Available on crate feature mysql only.

type DB = MySql

impl DatabaseType for Pool<Postgres>

Available on crate feature postgres only.

type DB = Postgres

impl DatabaseType for Pool<Sqlite>

Available on crate feature sqlite only.

type DB = Sqlite

impl DatabaseType for MySqlConnection

Available on crate feature mysql only.

type DB = MySql

impl DatabaseType for PgConnection

Available on crate feature postgres only.

type DB = Postgres

impl DatabaseType for SqliteConnection

Available on crate feature sqlite only.

type DB = Sqlite

impl<'tx> DatabaseType for &mut Transaction<'tx, MySql>

Available on crate feature mysql only.

type DB = MySql

impl<'tx> DatabaseType for &mut Transaction<'tx, Postgres>

Available on crate feature postgres only.

type DB = Postgres

impl<'tx> DatabaseType for &mut Transaction<'tx, Sqlite>

Available on crate feature sqlite only.

type DB = Sqlite

Implementors