Struct diesel::backend::sql_dialect::concat_clause::ConcatWithPipesClause
source · pub struct ConcatWithPipesClause;
Available on crate feature
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.Expand description
Indicates that this backend uses the
||
operator to select a concatenation
of two variables or strings
Trait Implementations§
source§impl Clone for ConcatWithPipesClause
impl Clone for ConcatWithPipesClause
source§fn clone(&self) -> ConcatWithPipesClause
fn clone(&self) -> ConcatWithPipesClause
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 ConcatWithPipesClause
impl Debug for ConcatWithPipesClause
source§impl<L, R, DB> QueryFragment<DB, ConcatWithPipesClause> for Concat<L, R>where
L: QueryFragment<DB>,
R: QueryFragment<DB>,
DB: Backend + SqlDialect<ConcatClause = ConcatWithPipesClause>,
impl<L, R, DB> QueryFragment<DB, ConcatWithPipesClause> for Concat<L, R>where
L: QueryFragment<DB>,
R: QueryFragment<DB>,
DB: Backend + SqlDialect<ConcatClause = ConcatWithPipesClause>,
source§fn walk_ast<'b>(&'b self, out: AstPass<'_, 'b, DB>) -> QueryResult<()>
fn walk_ast<'b>(&'b self, out: 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<()>
Available on crate feature
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.Converts this
QueryFragment
to its SQL representation. Read moresource§fn collect_binds<'b>(
&'b self,
out: &mut DB::BindCollector<'b>,
metadata_lookup: &mut DB::MetadataLookup,
backend: &'b DB,
) -> QueryResult<()>
fn collect_binds<'b>( &'b self, out: &mut DB::BindCollector<'b>, metadata_lookup: &mut DB::MetadataLookup, backend: &'b DB, ) -> QueryResult<()>
Available on crate feature
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.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>
Available on crate feature
i-implement-a-third-party-backend-and-opt-into-breaking-changes
only.Is this query safe to store in the prepared statement cache? Read more
impl Copy for ConcatWithPipesClause
Auto Trait Implementations§
impl Freeze for ConcatWithPipesClause
impl RefUnwindSafe for ConcatWithPipesClause
impl Send for ConcatWithPipesClause
impl Sync for ConcatWithPipesClause
impl Unpin for ConcatWithPipesClause
impl UnwindSafe for ConcatWithPipesClause
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> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)