Struct diesel::expression::SqlLiteral
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[src]
pub struct SqlLiteral<ST> { /* fields omitted */ }Returned by the sql() function.
Trait Implementations
impl<ST: Debug> Debug for SqlLiteral<ST>[src]
impl<ST: Clone> Clone for SqlLiteral<ST>[src]
fn clone(&self) -> SqlLiteral<ST>[src]
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)1.0.0[src]
Performs copy-assignment from source. Read more
impl<ST> Expression for SqlLiteral<ST>[src]
type SqlType = ST
The type that this expression represents in SQL
impl<ST, DB> QueryFragment<DB> for SqlLiteral<ST> where
DB: Backend + HasSqlType<ST>, [src]
DB: Backend + HasSqlType<ST>,
fn walk_ast(&self, out: AstPass<DB>) -> QueryResult<()>[src]
Walk over this QueryFragment for all passes. Read more
fn to_sql(&self, out: &mut DB::QueryBuilder) -> QueryResult<()>[src]
Converts this QueryFragment to its SQL representation. Read more
fn collect_binds(
&self,
out: &mut DB::BindCollector,
metadata_lookup: &DB::MetadataLookup
) -> QueryResult<()>[src]
&self,
out: &mut DB::BindCollector,
metadata_lookup: &DB::MetadataLookup
) -> QueryResult<()>
Serializes all bind parameters in this query. Read more
fn is_safe_to_cache_prepared(&self) -> QueryResult<bool>[src]
Is this query safe to store in the prepared statement cache? Read more
impl<ST> QueryId for SqlLiteral<ST>[src]
type QueryId = ()
A type which uniquely represents Self in a SQL query. Read more
const HAS_STATIC_QUERY_ID: bool
HAS_STATIC_QUERY_ID: bool = false
Can the SQL generated by Self be uniquely identified by its type? Read more
fn query_id() -> Option<TypeId>[src]
Returns the type id of Self::QueryId if Self::HAS_STATIC_QUERY_ID. Returns None otherwise. Read more
impl<ST> Query for SqlLiteral<ST>[src]
impl<ST, Conn> RunQueryDsl<Conn> for SqlLiteral<ST>[src]
fn execute(self, conn: &Conn) -> QueryResult<usize> where
Conn: Connection,
Self: ExecuteDsl<Conn>, [src]
Conn: Connection,
Self: ExecuteDsl<Conn>,
Executes the given command, returning the number of rows affected. Read more
fn load<U>(self, conn: &Conn) -> QueryResult<Vec<U>> where
Self: LoadQuery<Conn, U>, [src]
Self: LoadQuery<Conn, U>,
Executes the given query, returning a Vec with the returned rows. Read more
fn get_result<U>(self, conn: &Conn) -> QueryResult<U> where
Self: LoadQuery<Conn, U>, [src]
Self: LoadQuery<Conn, U>,
Runs the command, and returns the affected row. Read more
fn get_results<U>(self, conn: &Conn) -> QueryResult<Vec<U>> where
Self: LoadQuery<Conn, U>, [src]
Self: LoadQuery<Conn, U>,
Runs the command, returning an Vec with the affected rows. Read more
fn first<U>(self, conn: &Conn) -> QueryResult<U> where
Self: LimitDsl,
Limit<Self>: LoadQuery<Conn, U>, [src]
Self: LimitDsl,
Limit<Self>: LoadQuery<Conn, U>,
Attempts to load a single record. Read more