Struct diesel::pg::DistinctOnClause
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pub struct DistinctOnClause<T>(_);
Represents DISTINCT ON (...)
Trait Implementations
impl<T: Debug> Debug for DistinctOnClause<T>
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impl<T: Clone> Clone for DistinctOnClause<T>
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fn clone(&self) -> DistinctOnClause<T>
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Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl<T: Copy> Copy for DistinctOnClause<T>
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impl<T> QueryFragment<Pg> for DistinctOnClause<T> where
T: QueryFragment<Pg>,
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T: QueryFragment<Pg>,
fn walk_ast(&self, out: AstPass<Pg>) -> QueryResult<()>
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Walk over this QueryFragment
for all passes. Read more
fn to_sql(&self, out: &mut DB::QueryBuilder) -> QueryResult<()>
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Converts this QueryFragment
to its SQL representation. Read more
fn collect_binds(
&self,
out: &mut DB::BindCollector,
metadata_lookup: &DB::MetadataLookup
) -> QueryResult<()>
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&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>
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Is this query safe to store in the prepared statement cache? Read more