Struct toql_core::field_handler::DefaultFieldHandler
source · [−]pub struct DefaultFieldHandler {}
Expand description
Handles the standart filters as documented in the guide. Returns FilterInvalid for any attempt to use FN filters.
Implementations
Trait Implementations
sourceimpl Clone for DefaultFieldHandler
impl Clone for DefaultFieldHandler
sourcefn clone(&self) -> DefaultFieldHandler
fn clone(&self) -> DefaultFieldHandler
Returns a copy of the value. Read more
1.0.0 · sourcefn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
sourceimpl Debug for DefaultFieldHandler
impl Debug for DefaultFieldHandler
sourceimpl Default for DefaultFieldHandler
impl Default for DefaultFieldHandler
sourceimpl FieldHandler for DefaultFieldHandler
impl FieldHandler for DefaultFieldHandler
sourcefn build_filter(
&self,
select: SqlExpr,
filter: &FieldFilter,
_aux_params: &ParameterMap<'_>
) -> Result<Option<SqlExpr>, SqlBuilderError>
fn build_filter(
&self,
select: SqlExpr,
filter: &FieldFilter,
_aux_params: &ParameterMap<'_>
) -> Result<Option<SqlExpr>, SqlBuilderError>
Match filter and return SQL expression.
Do not insert parameters in the SQL expression, use ?
instead.
If you miss some arguments, raise an error, typically SqlBuilderError::FilterInvalid
Read more
sourcefn build_select(
&self,
select: SqlExpr,
aux_params: &ParameterMap<'_>
) -> Result<Option<SqlExpr>, SqlBuilderError>
fn build_select(
&self,
select: SqlExpr,
aux_params: &ParameterMap<'_>
) -> Result<Option<SqlExpr>, SqlBuilderError>
Context parameters allow to share information between different handlers Return sql and params if you want to select it. Read more
Auto Trait Implementations
impl RefUnwindSafe for DefaultFieldHandler
impl Send for DefaultFieldHandler
impl Sync for DefaultFieldHandler
impl Unpin for DefaultFieldHandler
impl UnwindSafe for DefaultFieldHandler
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> Instrument for T
impl<T> Instrument for T
sourcefn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
sourcefn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more
sourceimpl<T> WithSubscriber for T
impl<T> WithSubscriber for T
sourcefn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,
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
sourcefn with_current_subscriber(self) -> WithDispatch<Self>
fn with_current_subscriber(self) -> WithDispatch<Self>
Attaches the current default Subscriber
to this type, returning a
WithDispatch
wrapper. Read more