pub struct MatchDeleteNodeStmt {
pub matches: Vec<Pattern>,
pub where_expr: Option<Expr>,
pub node_vars: Vec<String>,
pub detach: bool,
}Expand description
MATCH patterns [WHERE expr] [DETACH] DELETE node_var [, …]
When detach is true (DETACH DELETE), all incident edges are removed
before the node is tombstoned (openCypher semantics). When false
(bare DELETE), the node must have no incident edges; the executor returns
an error if any remain.
Fields§
§matches: Vec<Pattern>§where_expr: Option<Expr>§node_vars: Vec<String>Node variable names whose nodes are to be deleted (resolved from MATCH patterns).
detach: booltrue → DETACH DELETE (allowed regardless of edges).
false → bare DELETE (error if any edges touch the node).
Trait Implementations§
Source§impl Clone for MatchDeleteNodeStmt
impl Clone for MatchDeleteNodeStmt
Source§fn clone(&self) -> MatchDeleteNodeStmt
fn clone(&self) -> MatchDeleteNodeStmt
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · 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 MatchDeleteNodeStmt
impl Debug for MatchDeleteNodeStmt
Source§impl PartialEq for MatchDeleteNodeStmt
impl PartialEq for MatchDeleteNodeStmt
impl StructuralPartialEq for MatchDeleteNodeStmt
Auto Trait Implementations§
impl Freeze for MatchDeleteNodeStmt
impl RefUnwindSafe for MatchDeleteNodeStmt
impl Send for MatchDeleteNodeStmt
impl Sync for MatchDeleteNodeStmt
impl Unpin for MatchDeleteNodeStmt
impl UnsafeUnpin for MatchDeleteNodeStmt
impl UnwindSafe for MatchDeleteNodeStmt
Blanket Implementations§
Source§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
Source§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
Source§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
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§impl<T> LayoutRaw for T
impl<T> LayoutRaw for T
Source§fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
Returns the layout of the type.
Source§impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
impl<T, N1, N2> Niching<NichedOption<T, N1>> for N2
Source§unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool
unsafe fn is_niched(niched: *const NichedOption<T, N1>) -> bool
Returns whether the given value has been niched. Read more
Source§fn resolve_niched(out: Place<NichedOption<T, N1>>)
fn resolve_niched(out: Place<NichedOption<T, N1>>)
Writes data to
out indicating that a T is niched.