Struct MigrationContext

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pub struct MigrationContext {
    pub table_name: String,
    pub connection: Option<Box<dyn Connection>>,
    pub db_type: Option<DbType>,
}

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§table_name: String§connection: Option<Box<dyn Connection>>§db_type: Option<DbType>

数据库类型（用于判断是否支持 DDL 事务包裹）

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impl MigrationContext

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pub fn with_db_type(self, db_type: DbType) -> Self

设置数据库类型

Trait Implementations§

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impl Default for MigrationContext

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fn default() -> Self

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

Auto Trait Implementations§

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impl UnsafeUnpin for MigrationContext

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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Gets the TypeId of self. Read more

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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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fn instrument(self, span: Span) -> Instrumented<Self>

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fn in_current_span(self) -> Instrumented<Self>

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Calls U::from(self).

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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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