Struct rocket_db_pools::Initializer
source · pub struct Initializer<D: Database>(/* private fields */);Expand description
A Fairing which initializes a Database and its connection pool.
A value of this type can be created for any type D that implements
Database via the Database::init() method on the type. Normally, a
value of this type never needs to be constructed directly. This
documentation exists purely as a reference.
This fairing initializes a database pool. Specifically, it:
-
Reads the configuration at
database.db_name, wheredb_nameisDatabase::NAME. -
Sets
Configdefaults on the configuration figment. -
Calls
Pool::init(). -
Stores the database instance in managed storage, retrievable via
Database::fetch().
The name of the fairing itself is Initializer<D>, with D replaced with
the type name D unless a name is explicitly provided via
Self::with_name().
Implementations§
source§impl<D: Database> Initializer<D>
impl<D: Database> Initializer<D>
sourcepub fn new() -> Self
pub fn new() -> Self
Returns a database initializer fairing for D.
This method should never need to be called manually. See the crate docs for usage information.
sourcepub fn with_name(name: &'static str) -> Self
pub fn with_name(name: &'static str) -> Self
Returns a database initializer fairing for D with name name.
This method should never need to be called manually. See the crate docs for usage information.
Trait Implementations§
source§impl<D: Database> Fairing for Initializer<D>
impl<D: Database> Fairing for Initializer<D>
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Auto Trait Implementations§
impl<D> Freeze for Initializer<D>
impl<D> RefUnwindSafe for Initializer<D>
impl<D> Send for Initializer<D>
impl<D> Sync for Initializer<D>
impl<D> Unpin for Initializer<D>
impl<D> UnwindSafe for Initializer<D>
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.tap_ref_mut() only in debug builds, and is erased in release
builds.source§fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
.tap_deref() only in debug builds, and is erased in release
builds.