Struct lemmy_db_schema::schema::community::columns::description [−][src]
pub struct description;
Trait Implementations
Returns the “default value” for a type. Read more
impl<DB> QueryFragment<DB> for description where
DB: Backend,
<table as QuerySource>::FromClause: QueryFragment<DB>,
impl<DB> QueryFragment<DB> for description where
DB: Backend,
<table as QuerySource>::FromClause: QueryFragment<DB>,
Walk over this QueryFragment
for all passes. Read more
Converts this QueryFragment
to its SQL representation. Read more
fn collect_binds(
&self,
out: &mut <DB as Backend>::BindCollector,
metadata_lookup: &<DB as TypeMetadata>::MetadataLookup
) -> Result<(), Error>
fn collect_binds(
&self,
out: &mut <DB as Backend>::BindCollector,
metadata_lookup: &<DB as TypeMetadata>::MetadataLookup
) -> Result<(), Error>
Serializes all bind parameters in this query. Read more
type QueryId = description
type QueryId = description
A type which uniquely represents Self
in a SQL query. Read more
Can the SQL generated by Self
be uniquely identified by its type? Read more
impl<QS> AppearsOnTable<QS> for description where
QS: AppearsInFromClause<table, Count = Once>,
Auto Trait Implementations
impl RefUnwindSafe for description
impl Send for description
impl Sync for description
impl Unpin for description
impl UnwindSafe for description
Blanket Implementations
Mutably borrows from an owned value. Read more
impl<Conn, DB, T> ExecuteDsl<Conn, DB> for T where
Conn: Connection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB> + QueryId,
impl<Conn, DB, T> ExecuteDsl<Conn, DB> for T where
Conn: Connection<Backend = DB>,
DB: Backend,
T: QueryFragment<DB> + QueryId,
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>,
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
fn is_not_distinct_from<T>(
self,
other: T
) -> IsNotDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression> where
T: AsExpression<Self::SqlType>,
fn is_not_distinct_from<T>(
self,
other: T
) -> IsNotDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression> where
T: AsExpression<Self::SqlType>,
Creates a PostgreSQL IS NOT DISTINCT FROM
expression. Read more
fn is_distinct_from<T>(
self,
other: T
) -> IsDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression> where
T: AsExpression<Self::SqlType>,
fn is_distinct_from<T>(
self,
other: T
) -> IsDistinctFrom<Self, <T as AsExpression<Self::SqlType>>::Expression> where
T: AsExpression<Self::SqlType>,
Creates a PostgreSQL IS DISTINCT FROM
expression. Read more