Struct UpsertExecutor 

pub struct UpsertExecutor<E: EntityKind> { /* private fields */ }

UpsertExecutor

Implementations

impl<E: EntityKind> UpsertExecutor<E>

where E::PrimaryKey: PrimaryKeyFromKey,

pub const fn new(db: Db<E::Canister>, debug: bool) -> Self

Construct a new upsert executor.

pub const fn debug(self) -> Self

Enable debug logging for subsequent upsert operations.

pub fn by_unique_index( &self, index: UniqueIndexSpec, entity: E, ) -> Result<E, Error>

Upsert using a unique index specification.

pub fn by_unique_index_view( &self, index: UniqueIndexSpec, view: E::ViewType, ) -> Result<E::ViewType, Error>

Upsert a view using a unique index specification.

pub fn by_unique_fields(&self, fields: &[&str], entity: E) -> Result<E, Error>

Upsert using a unique index identified by its field list.

pub fn by_unique_fields_view( &self, fields: &[&str], view: E::ViewType, ) -> Result<E::ViewType, Error>

Upsert a view using a unique index identified by its field list.

Trait Implementations

impl<E: Clone + EntityKind> Clone for UpsertExecutor<E>

where E::Canister: Clone,

fn clone(&self) -> UpsertExecutor<E>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<E: Copy + EntityKind> Copy for UpsertExecutor<E>

where E::Canister: Copy,