Struct WasmDbmsDatabase 

pub struct WasmDbmsDatabase<'ctx, M, A = AccessControlList>
where
    M: MemoryProvider,
    A: AccessControl,
{ /* private fields */ }

The main DBMS database struct, generic over MemoryProvider and AccessControl.

This struct borrows from a DbmsContext and provides all CRUD operations, transaction management, and query execution.

Implementations

impl<'ctx, M, A> WasmDbmsDatabase<'ctx, M, A>

where M: MemoryProvider, A: AccessControl,

pub fn oneshot( ctx: &'ctx DbmsContext<M, A>, schema: impl DatabaseSchema<M, A> + 'ctx, ) -> Self

Creates a one-shot (non-transactional) database instance.

pub fn from_transaction( ctx: &'ctx DbmsContext<M, A>, schema: impl DatabaseSchema<M, A> + 'ctx, transaction_id: TransactionId, ) -> Self

Creates a transactional database instance.

Trait Implementations

impl<M, A> Database for WasmDbmsDatabase<'_, M, A>

where M: MemoryProvider, A: AccessControl,

fn select<T>(&self, query: Query) -> DbmsResult<Vec<T::Record>>

where T: TableSchema,

Executes a SELECT query and returns the results.

fn select_raw( &self, table: &str, query: Query, ) -> DbmsResult<Vec<Vec<(ColumnDef, Value)>>>

Executes a generic SELECT and returns raw column-value pairs.

fn insert<T>(&self, record: T::Insert) -> DbmsResult<()>

where T: TableSchema, T::Insert: InsertRecord<Schema = T>,

Executes an INSERT query.

fn update<T>(&self, patch: T::Update) -> DbmsResult<u64>

where T: TableSchema, T::Update: UpdateRecord<Schema = T>,

Executes an UPDATE query.

fn delete<T>( &self, behaviour: DeleteBehavior, filter: Option<Filter>, ) -> DbmsResult<u64>

where T: TableSchema,

Executes a DELETE query.

fn commit(&mut self) -> DbmsResult<()>

Commits the current transaction.

fn rollback(&mut self) -> DbmsResult<()>

Rolls back the current transaction.