Struct PlanNodeMetadata 

pub struct PlanNodeMetadata {
    pub properties: BTreeMap<String, String>,
}

Free-form metadata map for nodes.

Fields

properties: BTreeMap<String, String>

Implementations

impl PlanNodeMetadata

pub fn is_empty(&self) -> bool

pub fn insert<K: Into<String>, V: Into<String>>(&mut self, key: K, value: V)

Trait Implementations

impl Clone for PlanNodeMetadata

fn clone(&self) -> PlanNodeMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PlanNodeMetadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for PlanNodeMetadata

fn default() -> PlanNodeMetadata

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for PlanNodeMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for PlanNodeMetadata

impl PartialEq for PlanNodeMetadata

fn eq(&self, other: &PlanNodeMetadata) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for PlanNodeMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for PlanNodeMetadata