pub struct SchemaManager<'c> { /* private fields */ }
Expand description

Helper struct for writing migration scripts in migration file

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impl<'c> SchemaManager<'c>

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pub fn new<T>(conn: T) -> SchemaManager<'c>where T: IntoSchemaManagerConnection<'c>,

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pub async fn exec_stmt<S>( &self, stmt: S ) -> impl Future<Output = Result<(), DbErr>>where S: StatementBuilder,

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pub fn get_database_backend(&self) -> DatabaseBackend

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pub fn get_connection(&self) -> &SchemaManagerConnection<'c>

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impl<'c> SchemaManager<'c>

Schema Creation

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pub async fn create_table( &self, stmt: TableCreateStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn create_index( &self, stmt: IndexCreateStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn create_foreign_key( &self, stmt: ForeignKeyCreateStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn create_type( &self, stmt: TypeCreateStatement ) -> impl Future<Output = Result<(), DbErr>>

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impl<'c> SchemaManager<'c>

Schema Mutation

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pub async fn alter_table( &self, stmt: TableAlterStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn drop_table( &self, stmt: TableDropStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn rename_table( &self, stmt: TableRenameStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn truncate_table( &self, stmt: TableTruncateStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn drop_index( &self, stmt: IndexDropStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn drop_foreign_key( &self, stmt: ForeignKeyDropStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn alter_type( &self, stmt: TypeAlterStatement ) -> impl Future<Output = Result<(), DbErr>>

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pub async fn drop_type( &self, stmt: TypeDropStatement ) -> impl Future<Output = Result<(), DbErr>>

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impl<'c> SchemaManager<'c>

Schema Inspection

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pub async fn has_table<T>( &self, table: T ) -> impl Future<Output = Result<bool, DbErr>>where T: AsRef<str>,

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pub async fn has_column<T, C>( &self, table: T, column: C ) -> impl Future<Output = Result<bool, DbErr>>where T: AsRef<str>, C: AsRef<str>,

Auto Trait Implementations§

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impl<'c> !RefUnwindSafe for SchemaManager<'c>

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impl<'c> Send for SchemaManager<'c>

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impl<'c> Sync for SchemaManager<'c>

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impl<'c> Unpin for SchemaManager<'c>

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impl<'c> !UnwindSafe for SchemaManager<'c>

Blanket Implementations§

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

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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

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fn into(self) -> U

Calls U::from(self).

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impl<T> Pointable for T

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const ALIGN: usize = mem::align_of::<T>()

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type Error = Infallible

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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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