Enum tc_collection::table::Table

pub enum Table<Txn, FE> {
    Limited(Box<Limited<Self>>),
    Selection(Box<Selection<Self>>),
    Slice(TableSlice<Txn, FE>),
    Table(TableFile<Txn, FE>),
}

A relational database table, or a view of one

Variants

Limited(Box<Limited<Self>>)

Selection(Box<Selection<Self>>)

Slice(TableSlice<Txn, FE>)

Table(TableFile<Txn, FE>)

Trait Implementations

impl<Txn, FE> AsType<Box<Limited<Table<Txn, FE>>>> for Table<Txn, FE>

fn as_type(&self) -> Option<&Box<Limited<Self>>>

Borrow this instance as an instance of T if possible.

fn as_type_mut(&mut self) -> Option<&mut Box<Limited<Self>>>

Borrow this instance mutably as an instance of T if possible.

fn into_type(self) -> Option<Box<Limited<Self>>>

Convert this instance into an instance of T if possible.

impl<Txn, FE> AsType<Box<Selection<Table<Txn, FE>>>> for Table<Txn, FE>

fn as_type(&self) -> Option<&Box<Selection<Self>>>

Borrow this instance as an instance of T if possible.

fn as_type_mut(&mut self) -> Option<&mut Box<Selection<Self>>>

Borrow this instance mutably as an instance of T if possible.

fn into_type(self) -> Option<Box<Selection<Self>>>

Convert this instance into an instance of T if possible.

impl<Txn, FE> AsType<Table<Txn, FE>> for Collection<Txn, FE>

fn as_type(&self) -> Option<&Table<Txn, FE>>

Borrow this instance as an instance of T if possible.

fn as_type_mut(&mut self) -> Option<&mut Table<Txn, FE>>

Borrow this instance mutably as an instance of T if possible.

fn into_type(self) -> Option<Table<Txn, FE>>

Convert this instance into an instance of T if possible.

impl<Txn, FE> AsType<TableFile<Txn, FE>> for Table<Txn, FE>

fn as_type(&self) -> Option<&TableFile<Txn, FE>>

Borrow this instance as an instance of T if possible.

fn as_type_mut(&mut self) -> Option<&mut TableFile<Txn, FE>>

Borrow this instance mutably as an instance of T if possible.

fn into_type(self) -> Option<TableFile<Txn, FE>>

Convert this instance into an instance of T if possible.

impl<Txn, FE> Clone for Table<Txn, FE>

fn clone(&self) -> Self

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<Txn, FE> Debug for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<Txn, FE> From<Box<Limited<Table<Txn, FE>>>> for Table<Txn, FE>

fn from(t: Box<Limited<Self>>) -> Self

Converts to this type from the input type.

impl<Txn, FE> From<Box<Selection<Table<Txn, FE>>>> for Table<Txn, FE>

fn from(t: Box<Selection<Self>>) -> Self

Converts to this type from the input type.

impl<Txn, FE> From<Table<Txn, FE>> for Collection<Txn, FE>

fn from(t: Table<Txn, FE>) -> Self

Converts to this type from the input type.

impl<Txn, FE> From<TableFile<Txn, FE>> for Table<Txn, FE>

fn from(t: TableFile<Txn, FE>) -> Self

Converts to this type from the input type.

impl<Txn, FE> Instance for Table<Txn, FE>

where Txn: Send + Sync, FE: Send + Sync,

type Class = TableType

The Class type of this instance

fn class(&self) -> Self::Class

Returns the [Class] of this instance.

impl<'en, Txn, FE> IntoView<'en, FE> for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

type Txn = Txn

The type of Transaction which this state supports

type View = TableView<'en>

The type of encodable view returned by into_view

fn into_view<'async_trait>( self, txn: Self::Txn ) -> Pin<Box<dyn Future<Output = TCResult<Self::View>> + Send + 'async_trait>>

where Self: 'async_trait,

Return a View which can be encoded with en::IntoStream.

impl<State> Route<State> for Table<State::Txn, State::FE>

where State: StateInstance + From<Collection<State::Txn, State::FE>> + From<u64>, State::FE: AsType<Node>, Map<Value>: TryFrom<State, Error = TCError>, Scalar: TryCastFrom<State>, Tuple<State>: TryFrom<State, Error = TCError>, Value: TryCastFrom<State>,

fn route<'a>( &'a self, path: &'a [PathSegment] ) -> Option<Box<dyn Handler<'a, State> + 'a>>

impl<Txn, FE> TableInstance for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

fn schema(&self) -> &TableSchema

Borrow the schema of this Table.

impl<Txn, FE> TableOrder for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

type OrderBy = Table<Txn, FE>

The type of Table returned by this instance’s order_by method.

type Reverse = Table<Txn, FE>

The type of Table returned by this instance’s reversed method.

fn order_by(self, columns: Vec<Id>, reverse: bool) -> TCResult<Self>

Return an ordered view of this table.

fn reverse(self) -> TCResult<Self::Reverse>

Reverse the order returned by rows.

impl<Txn, FE> TableRead for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

fn read<'life0, 'life1, 'async_trait>( &'life0 self, txn_id: TxnId, key: &'life1 [Value] ) -> Pin<Box<dyn Future<Output = TCResult<Option<Row>>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Read the row with the given key from this table, if present.

impl<Txn, FE> TableSlice for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

type Slice = Table<Txn, FE>

The type of Table returned by this instance’s slice method.

fn slice(self, range: Range) -> TCResult<Self>

Limit the returned rows to the given Range.

impl<Txn, FE> TableStream for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

type Limit = Table<Txn, FE>

type Selection = Table<Txn, FE>

fn count<'async_trait>( self, txn_id: TxnId ) -> Pin<Box<dyn Future<Output = TCResult<u64>> + Send + 'async_trait>>

where Self: 'async_trait,

Return the number of rows in this table.

fn limit(self, limit: u64) -> TCResult<Self>

Limit the number of rows returned by rows.

fn select(self, columns: Vec<Id>) -> TCResult<Self>

Limit the columns returned by rows.

fn rows<'a, 'async_trait>( self, txn_id: TxnId ) -> Pin<Box<dyn Future<Output = TCResult<Rows<'a>>> + Send + 'async_trait>>

where Self: 'async_trait, 'a: 'async_trait,

Return a stream of the rows in this Table.

fn is_empty<'async_trait>( self, txn_id: TxnId ) -> Pin<Box<dyn Future<Output = TCResult<bool>> + Send + 'async_trait>>

where Self: Send + 'async_trait,

Return true if this table contains zero rows.

impl<Txn, FE> TableUpdate<FE> for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

fn truncate<'life0, 'async_trait>( &'life0 self, txn_id: TxnId, range: Range, tmp: BTreeLock<BTreeSchema, ValueCollator, FE> ) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Delete all rows in the given range from this table.

fn update<'life0, 'async_trait>( &'life0 self, txn_id: TxnId, range: Range, values: Map<Value>, tmp: BTreeLock<BTreeSchema, ValueCollator, FE> ) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Update all rows in range with the given values.

impl<Txn, FE> TableWrite for Table<Txn, FE>

where Txn: Transaction<FE>, FE: AsType<Node> + ThreadSafe,

fn delete<'life0, 'async_trait>( &'life0 self, txn_id: TxnId, key: Vec<Value> ) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Delete the given row from this table, if present.

fn upsert<'life0, 'async_trait>( &'life0 self, txn_id: TxnId, key: Vec<Value>, values: Vec<Value> ) -> Pin<Box<dyn Future<Output = TCResult<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Insert or update the given row.

impl<Txn, FE> TryCastFrom<Collection<Txn, FE>> for Table<Txn, FE>

fn can_cast_from(collection: &Collection<Txn, FE>) -> bool

Test if value can be cast into Self.

fn opt_cast_from(collection: Collection<Txn, FE>) -> Option<Self>

Returns Some(Self) if the source value can be cast into Self, otherwise None.

fn try_cast_from<Err, OnErr>(value: T, on_err: OnErr) -> Result<Self, Err>

where OnErr: FnOnce(&T) -> Err,

Returns Ok(Self) if the source value can be cast into Self, otherwise calls on_err.