Struct deltalake::datafusion::logical_expr::logical_plan::display::GraphvizVisitor
source · pub struct GraphvizVisitor<'a, 'b> { /* private fields */ }
Expand description
Formats plans for graphical display using the DOT
language. This
format can be visualized using software from
graphviz
Implementations§
source§impl<'a, 'b> GraphvizVisitor<'a, 'b>
impl<'a, 'b> GraphvizVisitor<'a, 'b>
pub fn new(f: &'a mut Formatter<'b>) -> GraphvizVisitor<'a, 'b>
sourcepub fn set_with_schema(&mut self, with_schema: bool)
pub fn set_with_schema(&mut self, with_schema: bool)
Sets a flag which controls if the output schema is displayed
pub fn pre_visit_plan(&mut self, label: &str) -> Result<(), Error>
pub fn post_visit_plan(&mut self) -> Result<(), Error>
pub fn start_graph(&mut self) -> Result<(), Error>
pub fn end_graph(&mut self) -> Result<(), Error>
Trait Implementations§
source§impl<'a, 'b> TreeNodeVisitor for GraphvizVisitor<'a, 'b>
impl<'a, 'b> TreeNodeVisitor for GraphvizVisitor<'a, 'b>
§type Node = LogicalPlan
type Node = LogicalPlan
The node type which is visitable.
source§fn f_down(
&mut self,
plan: &LogicalPlan
) -> Result<TreeNodeRecursion, DataFusionError>
fn f_down( &mut self, plan: &LogicalPlan ) -> Result<TreeNodeRecursion, DataFusionError>
Invoked before any children of
node
are visited.
Default implementation simply continues the recursion.source§fn f_up(
&mut self,
_plan: &LogicalPlan
) -> Result<TreeNodeRecursion, DataFusionError>
fn f_up( &mut self, _plan: &LogicalPlan ) -> Result<TreeNodeRecursion, DataFusionError>
Invoked after all children of
node
are visited.
Default implementation simply continues the recursion.Auto Trait Implementations§
impl<'a, 'b> Freeze for GraphvizVisitor<'a, 'b>
impl<'a, 'b> !RefUnwindSafe for GraphvizVisitor<'a, 'b>
impl<'a, 'b> !Send for GraphvizVisitor<'a, 'b>
impl<'a, 'b> !Sync for GraphvizVisitor<'a, 'b>
impl<'a, 'b> Unpin for GraphvizVisitor<'a, 'b>
impl<'a, 'b> !UnwindSafe for GraphvizVisitor<'a, 'b>
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> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
source§impl<T> IntoEither for T
impl<T> IntoEither for T
source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moresource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moreCreates a shared type from an unshared type.