pub struct DefaultDatabaseHandler;
Expand description
Default database handler that returns errors for unimplemented operations
Trait Implementations§
Source§impl DatabaseHandler for DefaultDatabaseHandler
impl DatabaseHandler for DefaultDatabaseHandler
Source§fn query(
&self,
_query: &str,
_params: Option<&JsonnetValue>,
) -> Result<JsonnetValue, JsonnetError>
fn query( &self, _query: &str, _params: Option<&JsonnetValue>, ) -> Result<JsonnetValue, JsonnetError>
Execute a GQL query and return results
Source§fn rewrite(
&self,
_rule: &str,
_params: Option<&JsonnetValue>,
) -> Result<JsonnetValue, JsonnetError>
fn rewrite( &self, _rule: &str, _params: Option<&JsonnetValue>, ) -> Result<JsonnetValue, JsonnetError>
Execute a graph rewrite rule
Source§fn patch(&self, _patch: &JsonnetValue) -> Result<JsonnetValue, JsonnetError>
fn patch(&self, _patch: &JsonnetValue) -> Result<JsonnetValue, JsonnetError>
Apply a patch to the graph
Auto Trait Implementations§
impl Freeze for DefaultDatabaseHandler
impl RefUnwindSafe for DefaultDatabaseHandler
impl Send for DefaultDatabaseHandler
impl Sync for DefaultDatabaseHandler
impl Unpin for DefaultDatabaseHandler
impl UnwindSafe for DefaultDatabaseHandler
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