teacherapi::schema::teacher_rating

Struct table

pub struct table;

Expand description

The actual table struct

This is the type which provides the base methods of the query builder, such as .select and .filter.

Implementations§

impl table

pub fn star(&self) -> star

Represents table_name.*, which is sometimes necessary for efficient count queries. It cannot be used in place of all_columns

Trait Implementations§

impl AppearsInFromClause<table> for ()

type Count = Never

How many times does Self appear in QS?

impl AppearsInFromClause<table> for table

type Count = Once

How many times does Self appear in QS?

impl AppearsInFromClause<table> for table

type Count = Never

How many times does Self appear in QS?

impl AppearsInFromClause<table> for table

type Count = Never

How many times does Self appear in QS?

impl AppearsInFromClause<table> for table

type Count = Never

How many times does Self appear in QS?

impl AppearsInFromClause<table> for table

type Count = Never

How many times does Self appear in QS?

impl AsQuery for table

type SqlType = (Nullable<Timestamp>, Nullable<Integer>, Uuid, Nullable<Uuid>, Uuid, Uuid, Nullable<Text>, Nullable<Uuid>, Nullable<Jsonb>)

The SQL type of Self::Query

type Query = SelectStatement<table>

What kind of query does this type represent?

fn as_query(self) -> Self::Query

Converts a type which semantically represents a SQL query into the actual query being executed. See the trait level docs for more.

impl Clone for table

fn clone(&self) -> table

Returns a copy of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Debug for table

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

Formats the value using the given formatter. Read more

impl HasTable for table

type Table = table

The table this type is associated with.

fn table() -> Self::Table

Returns the table this type is associated with.

impl<'a, T> Insertable<T> for &'a table
where table: Insertable<T>,

type Values = <table as Insertable<T>>::Values

The VALUES clause to insert these records Read more

fn values(self) -> Self::Values

Construct Self::Values Read more

fn insert_into(self, table: T) -> InsertStatement<T, Self::Values>
where Self: Sized,

Insert self into a given table. Read more

impl<T> Insertable<T> for table
where <table as AsQuery>::Query: Insertable<T>,

type Values = <<table as AsQuery>::Query as Insertable<T>>::Values

The VALUES clause to insert these records Read more

fn values(self) -> Self::Values

Construct Self::Values Read more

fn insert_into(self, table: T) -> InsertStatement<T, Self::Values>
where Self: Sized,

Insert self into a given table. Read more

impl<'insert> Insertable<table> for &'insert TeacherRating

type Values = <(Option<Eq<updt, <&'insert NaiveDateTime as AsExpression<<updt as Expression>::SqlType>>::Expression>>, Option<Eq<ver, <&'insert i32 as AsExpression<<ver as Expression>::SqlType>>::Expression>>, Option<Eq<uuid, <&'insert Uuid as AsExpression<<uuid as Expression>::SqlType>>::Expression>>, Option<Eq<updu, <&'insert Uuid as AsExpression<<updu as Expression>::SqlType>>::Expression>>, Option<Eq<user_id, <&'insert Uuid as AsExpression<<user_id as Expression>::SqlType>>::Expression>>, Option<Eq<teacher_id, <&'insert Uuid as AsExpression<<teacher_id as Expression>::SqlType>>::Expression>>, Option<Eq<rstatus, <&'insert RStatus as AsExpression<<rstatus as Expression>::SqlType>>::Expression>>, Option<Eq<lesson, <&'insert Uuid as AsExpression<<lesson as Expression>::SqlType>>::Expression>>, Option<Eq<ratings, <&'insert Json<Rating> as AsExpression<<ratings as Expression>::SqlType>>::Expression>>) as Insertable<table>>::Values

The VALUES clause to insert these records Read more

fn values(self) -> Self::Values

Construct Self::Values Read more

fn insert_into(self, table: T) -> InsertStatement<T, Self::Values>
where Self: Sized,

Insert self into a given table. Read more

impl<'insert> Insertable<table> for TeacherRating

type Values = <(Option<Eq<updt, <NaiveDateTime as AsExpression<<updt as Expression>::SqlType>>::Expression>>, Option<Eq<ver, <i32 as AsExpression<<ver as Expression>::SqlType>>::Expression>>, Option<Eq<uuid, <Uuid as AsExpression<<uuid as Expression>::SqlType>>::Expression>>, Option<Eq<updu, <Uuid as AsExpression<<updu as Expression>::SqlType>>::Expression>>, Option<Eq<user_id, <Uuid as AsExpression<<user_id as Expression>::SqlType>>::Expression>>, Option<Eq<teacher_id, <Uuid as AsExpression<<teacher_id as Expression>::SqlType>>::Expression>>, Option<Eq<rstatus, <RStatus as AsExpression<<rstatus as Expression>::SqlType>>::Expression>>, Option<Eq<lesson, <Uuid as AsExpression<<lesson as Expression>::SqlType>>::Expression>>, Option<Eq<ratings, <Json<Rating> as AsExpression<<ratings as Expression>::SqlType>>::Expression>>) as Insertable<table>>::Values

The VALUES clause to insert these records Read more

fn values(self) -> Self::Values

Construct Self::Values Read more

fn insert_into(self, table: T) -> InsertStatement<T, Self::Values>
where Self: Sized,

Insert self into a given table. Read more

impl IntoUpdateTarget for table

type WhereClause = <<table as AsQuery>::Query as IntoUpdateTarget>::WhereClause

What is the WHERE clause of this target?

fn into_update_target(self) -> UpdateTarget<Self::Table, Self::WhereClause>

Decomposes self into the table and where clause.

impl QueryId for table

const HAS_STATIC_QUERY_ID: bool = true

Can the SQL generated by Self be uniquely identified by its type? Read more

type QueryId = table

A type which uniquely represents Self in a SQL query. Read more

fn query_id() -> Option<TypeId>

Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more

impl QuerySource for table

type FromClause = Identifier<'static>

The type returned by from_clause

type DefaultSelection = <table as Table>::AllColumns

The type returned by default_selection

fn from_clause(&self) -> Self::FromClause

The actual FROM clause of this type. This is typically only called in QueryFragment implementations.

fn default_selection(&self) -> Self::DefaultSelection

The default select clause of this type, which should be used if no select clause was explicitly specified. This should always be a tuple of all the desired columns, not star

impl Table for table

type PrimaryKey = uuid

The type returned by primary_key

type AllColumns = (updt, ver, uuid, updu, user_id, teacher_id, rstatus, lesson, ratings)

The type returned by all_columns

fn primary_key(&self) -> Self::PrimaryKey

Returns the primary key of this table. Read more

fn all_columns() -> Self::AllColumns

Returns a tuple of all columns belonging to this table.

impl AppearsOnTable<table> for star

impl Copy for table

impl<'a, QS, ST, DB> JoinTo<BoxedSelectStatement<'a, QS, ST, DB>> for table
where BoxedSelectStatement<'a, QS, ST, DB>: JoinTo<table>,

impl<Left, Right, Kind> JoinTo<Join<Left, Right, Kind>> for table
where Join<Left, Right, Kind>: JoinTo<table>,

impl SelectableExpression<table> for lesson

impl SelectableExpression<table> for ratings

impl SelectableExpression<table> for rstatus

impl SelectableExpression<table> for star

impl SelectableExpression<table> for teacher_id

impl SelectableExpression<table> for updt

impl SelectableExpression<table> for updu

impl SelectableExpression<table> for user_id

impl SelectableExpression<table> for uuid

impl SelectableExpression<table> for ver

impl<'insert> UndecoratedInsertRecord<table> for TeacherRating

Auto Trait Implementations§

impl Freeze for table

impl RefUnwindSafe for table

impl Send for table

impl Sync for table

impl Unpin for table

impl UnwindSafe for table

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<Src, Scheme> ApproxFrom<Src, Scheme> for Src
where Scheme: ApproxScheme,

type Err = NoError

The error type produced by a failed conversion.

fn approx_from(src: Src) -> Result<Src, <Src as ApproxFrom<Src, Scheme>>::Err>

Convert the given value into an approximately equivalent representation.

impl<Dst, Src, Scheme> ApproxInto<Dst, Scheme> for Src
where Dst: ApproxFrom<Src, Scheme>, Scheme: ApproxScheme,

type Err = <Dst as ApproxFrom<Src, Scheme>>::Err

The error type produced by a failed conversion.

fn approx_into(self) -> Result<Dst, <Src as ApproxInto<Dst, Scheme>>::Err>

Convert the subject into an approximately equivalent representation.

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dst. Read more

impl<T, Dst> ConvAsUtil<Dst> for T

fn approx(self) -> Result<Dst, Self::Err>
where Self: Sized + ApproxInto<Dst>,

Approximate the subject with the default scheme.

fn approx_by<Scheme>(self) -> Result<Dst, Self::Err>
where Self: Sized + ApproxInto<Dst, Scheme>, Scheme: ApproxScheme,

Approximate the subject with a specific scheme.

impl<T> ConvUtil for T

fn approx_as<Dst>(self) -> Result<Dst, Self::Err>
where Self: Sized + ApproxInto<Dst>,

Approximate the subject to a given type with the default scheme.

fn approx_as_by<Dst, Scheme>(self) -> Result<Dst, Self::Err>
where Self: Sized + ApproxInto<Dst, Scheme>, Scheme: ApproxScheme,

Approximate the subject to a given type with a specific scheme.

fn into_as<Dst>(self) -> Dst
where Self: Sized + Into<Dst>,

Convert the subject to a given type.

fn try_as<Dst>(self) -> Result<Dst, Self::Err>
where Self: Sized + TryInto<Dst>,

Attempt to convert the subject to a given type.

fn value_as<Dst>(self) -> Result<Dst, Self::Err>
where Self: Sized + ValueInto<Dst>,

Attempt a value conversion of the subject to a given type.

impl<T> DistinctDsl for T
where T: Table, <T as AsQuery>::Query: DistinctDsl,

type Output = <<T as AsQuery>::Query as DistinctDsl>::Output

The type returned by .distinct

fn distinct(self) -> <T as DistinctDsl>::Output

See the trait documentation.

impl<T> ForUpdateDsl for T
where T: LockingDsl<ForUpdate>,

type Output = <T as LockingDsl<ForUpdate>>::Output

👎Deprecated since 1.3.0: use LockingDsl<ForUpdate> instead

The type returned by for_update. See dsl::ForUpdate for convenient access to this type.

fn for_update(self) -> <T as ForUpdateDsl>::Output

👎Deprecated since 1.3.0: use LockingDsl<ForUpdate> instead

See the trait level documentation

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

impl<T, U> Into<U> for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

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

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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

impl<T> IntoSql for T

fn into_sql<T>(self) -> Self::Expression
where Self: Sized + AsExpression<T>,

Convert self to an expression for Diesel’s query builder. Read more

fn as_sql<'a, T>(&'a self) -> <&'a Self as AsExpression<T>>::Expression
where &'a Self: AsExpression<T>,

Convert &self to an expression for Diesel’s query builder. Read more

impl<T> JoinOnDsl for T
where T: QuerySource,

fn on<On>(self, on: On) -> OnClauseWrapper<Self, On>

See the trait documentation.

impl<Lhs, Rhs, On> JoinTo<OnClauseWrapper<Rhs, On>> for Lhs
where Lhs: Table,

type FromClause = Rhs

type OnClause = On

fn join_target( rhs: OnClauseWrapper<Rhs, On>, ) -> (<Lhs as JoinTo<OnClauseWrapper<Rhs, On>>>::FromClause, <Lhs as JoinTo<OnClauseWrapper<Rhs, On>>>::OnClause)

impl<T> LimitDsl for T
where T: Table, <T as AsQuery>::Query: LimitDsl,

type Output = <<T as AsQuery>::Query as LimitDsl>::Output

The type returned by .limit

fn limit(self, limit: i64) -> <T as LimitDsl>::Output

See the trait documentation

impl<T> OffsetDsl for T
where T: Table, <T as AsQuery>::Query: OffsetDsl,

type Output = <<T as AsQuery>::Query as OffsetDsl>::Output

The type returned by .offset.

fn offset(self, offset: i64) -> <T as OffsetDsl>::Output

See the trait documentation

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> QueryDsl for T
where T: Table,

fn distinct(self) -> Self::Output
where Self: DistinctDsl,

Adds the DISTINCT keyword to a query. Read more

fn distinct_on<Expr>(self, expr: Expr) -> Self::Output
where Self: DistinctOnDsl<Expr>,

Adds the DISTINCT ON clause to a query. Read more

fn select<Selection>(self, selection: Selection) -> Self::Output
where Selection: Expression, Self: SelectDsl<Selection>,

Adds a SELECT clause to the query. Read more

fn count(self) -> Self::Output
where Self: SelectDsl<CountStar>,

Get the count of a query. This is equivalent to .select(count_star()) Read more

fn inner_join<Rhs>(self, rhs: Rhs) -> Self::Output
where Self: JoinWithImplicitOnClause<Rhs, Inner>,

Join two tables using a SQL INNER JOIN. Read more

fn left_outer_join<Rhs>(self, rhs: Rhs) -> Self::Output
where Self: JoinWithImplicitOnClause<Rhs, LeftOuter>,

Join two tables using a SQL LEFT OUTER JOIN. Read more

fn left_join<Rhs>(self, rhs: Rhs) -> Self::Output
where Self: JoinWithImplicitOnClause<Rhs, LeftOuter>,

Alias for left_outer_join.

fn filter<Predicate>(self, predicate: Predicate) -> Self::Output
where Self: FilterDsl<Predicate>,

Adds to the WHERE clause of a query. Read more

fn or_filter<Predicate>(self, predicate: Predicate) -> Self::Output
where Self: OrFilterDsl<Predicate>,

Adds to the WHERE clause of a query using OR Read more

fn find<PK>(self, id: PK) -> Self::Output
where Self: FindDsl<PK>,

Attempts to find a single record from the given table by primary key. Read more

fn order<Expr>(self, expr: Expr) -> Self::Output
where Expr: Expression, Self: OrderDsl<Expr>,

Sets the order clause of a query. Read more

fn order_by<Expr>(self, expr: Expr) -> Self::Output
where Expr: Expression, Self: OrderDsl<Expr>,

Alias for order

fn then_order_by<Order>(self, order: Order) -> Self::Output
where Self: ThenOrderDsl<Order>,

Appends to the ORDER BY clause of this SQL query. Read more

fn limit(self, limit: i64) -> Self::Output
where Self: LimitDsl,

Sets the limit clause of the query. Read more

fn offset(self, offset: i64) -> Self::Output
where Self: OffsetDsl,

Sets the offset clause of the query. Read more

fn for_update(self) -> Self::Output
where Self: ForUpdateDsl,

Adds FOR UPDATE to the end of the select statement. Read more

fn for_no_key_update(self) -> Self::Output
where Self: LockingDsl<ForNoKeyUpdate>,

Adds FOR NO KEY UPDATE to the end of the select statement. Read more

fn for_share(self) -> Self::Output
where Self: LockingDsl<ForShare>,

Adds FOR SHARE to the end of the select statement. Read more

fn for_key_share(self) -> Self::Output
where Self: LockingDsl<ForKeyShare>,

Adds FOR KEY SHARE to the end of the select statement. Read more

fn skip_locked(self) -> Self::Output
where Self: ModifyLockDsl<SkipLocked>,

Adds SKIP LOCKED to the end of a FOR UPDATE clause. Read more

fn no_wait(self) -> Self::Output
where Self: ModifyLockDsl<NoWait>,

Adds NOWAIT to the end of a FOR UPDATE clause. Read more

fn into_boxed<'a, DB>(self) -> Self::Output
where DB: Backend, Self: BoxedDsl<'a, DB>,

Boxes the pieces of a query into a single type. Read more

fn single_value(self) -> Self::Output
where Self: SingleValueDsl,

Wraps this select statement in parenthesis, allowing it to be used as an expression. Read more

fn nullable(self) -> Self::Output
where Self: SelectNullableDsl,

Coerce the SQL type of the select clause to it’s nullable equivalent. Read more

impl<T, Conn> RunQueryDsl<Conn> for T
where T: Table,

fn execute(self, conn: &Conn) -> Result<usize, Error>
where Conn: Connection, Self: ExecuteDsl<Conn>,

Executes the given command, returning the number of rows affected. Read more

fn load<U>(self, conn: &Conn) -> Result<Vec<U>, Error>
where Self: LoadQuery<Conn, U>,

Executes the given query, returning a Vec with the returned rows. Read more

fn get_result<U>(self, conn: &Conn) -> Result<U, Error>
where Self: LoadQuery<Conn, U>,

Runs the command, and returns the affected row. Read more

fn get_results<U>(self, conn: &Conn) -> Result<Vec<U>, Error>
where Self: LoadQuery<Conn, U>,

Runs the command, returning an Vec with the affected rows. Read more

fn first<U>(self, conn: &Conn) -> Result<U, Error>
where Self: LimitDsl, Self::Output: LoadQuery<Conn, U>,

Attempts to load a single record. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<SS, SP> SupersetOf<SS> for SP
where SS: SubsetOf<SP>,

fn to_subset(&self) -> Option<SS>

The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more

fn is_in_subset(&self) -> bool

Checks if self is actually part of its subset T (and can be converted to it).

fn to_subset_unchecked(&self) -> SS

Use with care! Same as self.to_subset but without any property checks. Always succeeds.

fn from_subset(element: &SS) -> SP

The inclusion map: converts self to the equivalent element of its superset.

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<Src> TryFrom<Src> for Src

type Err = NoError

The error type produced by a failed conversion.

fn try_from(src: Src) -> Result<Src, <Src as TryFrom<Src>>::Err>

Convert the given value into the subject type.

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<Src, Dst> TryInto<Dst> for Src
where Dst: TryFrom<Src>,

type Err = <Dst as TryFrom<Src>>::Err

The error type produced by a failed conversion.

fn try_into(self) -> Result<Dst, <Src as TryInto<Dst>>::Err>

Convert the subject into the destination type.

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

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,

fn vzip(self) -> V

impl<Src> ValueFrom<Src> for Src

type Err = NoError

The error type produced by a failed conversion.

fn value_from(src: Src) -> Result<Src, <Src as ValueFrom<Src>>::Err>

Convert the given value into an exactly equivalent representation.

impl<Src, Dst> ValueInto<Dst> for Src
where Dst: ValueFrom<Src>,

type Err = <Dst as ValueFrom<Src>>::Err

The error type produced by a failed conversion.

fn value_into(self) -> Result<Dst, <Src as ValueInto<Dst>>::Err>

Convert the subject into an exactly equivalent representation.

impl<T> WithSubscriber for T

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

impl<T> ErasedDestructor for T
where T: 'static,

impl<T> MaybeSendSync for T