pub struct AnsiSqlFromClauseSyntax;
Expand description
Indicates that this backend skips
the FROM
clause in SELECT
statements
if no table/view is queried
Trait Implementations§
source§impl Clone for AnsiSqlFromClauseSyntax
impl Clone for AnsiSqlFromClauseSyntax
source§fn clone(&self) -> AnsiSqlFromClauseSyntax
fn clone(&self) -> AnsiSqlFromClauseSyntax
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for AnsiSqlFromClauseSyntax
impl Debug for AnsiSqlFromClauseSyntax
source§impl<DB> QueryFragment<DB, AnsiSqlFromClauseSyntax> for NoFromClausewhere
DB: Backend<EmptyFromClauseSyntax = AnsiSqlFromClauseSyntax>,
impl<DB> QueryFragment<DB, AnsiSqlFromClauseSyntax> for NoFromClausewhere DB: Backend<EmptyFromClauseSyntax = AnsiSqlFromClauseSyntax>,
source§fn walk_ast<'b>(&'b self, _pass: AstPass<'_, 'b, DB>) -> QueryResult<()>
fn walk_ast<'b>(&'b self, _pass: AstPass<'_, 'b, DB>) -> QueryResult<()>
Walk over this
QueryFragment
for all passes. Read moresource§fn to_sql(&self, out: &mut DB::QueryBuilder, backend: &DB) -> QueryResult<()>
fn to_sql(&self, out: &mut DB::QueryBuilder, backend: &DB) -> QueryResult<()>
Converts this
QueryFragment
to its SQL representation. Read moresource§fn collect_binds<'b>(
&'b self,
out: &mut <DB as HasBindCollector<'b>>::BindCollector,
metadata_lookup: &mut DB::MetadataLookup,
backend: &'b DB
) -> QueryResult<()>
fn collect_binds<'b>( &'b self, out: &mut <DB as HasBindCollector<'b>>::BindCollector, metadata_lookup: &mut DB::MetadataLookup, backend: &'b DB ) -> QueryResult<()>
Serializes all bind parameters in this query. Read more
source§fn is_safe_to_cache_prepared(&self, backend: &DB) -> QueryResult<bool>
fn is_safe_to_cache_prepared(&self, backend: &DB) -> QueryResult<bool>
Is this query safe to store in the prepared statement cache? Read more
impl Copy for AnsiSqlFromClauseSyntax
Auto Trait Implementations§
impl RefUnwindSafe for AnsiSqlFromClauseSyntax
impl Send for AnsiSqlFromClauseSyntax
impl Sync for AnsiSqlFromClauseSyntax
impl Unpin for AnsiSqlFromClauseSyntax
impl UnwindSafe for AnsiSqlFromClauseSyntax
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> IntoSql for T
impl<T> IntoSql for T
source§fn into_sql<T>(self) -> AsExprOf<Self, T>where
Self: AsExpression<T> + Sized,
T: SqlType + TypedExpressionType,
fn into_sql<T>(self) -> AsExprOf<Self, T>where Self: AsExpression<T> + Sized, T: SqlType + TypedExpressionType,
Convert
self
to an expression for Diesel’s query builder. Read moresource§fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T>where
&'a Self: AsExpression<T>,
T: SqlType + TypedExpressionType,
fn as_sql<'a, T>(&'a self) -> AsExprOf<&'a Self, T>where &'a Self: AsExpression<T>, T: SqlType + TypedExpressionType,
Convert
&self
to an expression for Diesel’s query builder. Read more