Struct CycleClause 

pub struct CycleClause {
    pub columns: Vec<String>,
    pub set_column: String,
    pub using_column: String,
    pub mark_value: Option<String>,
    pub default_value: Option<String>,
}

Cycle detection for recursive CTEs.

Fields

columns: Vec<String>

Columns to check for cycles.

set_column: String

Column to mark cycle detection.

using_column: String

Column to store the path.

mark_value: Option<String>

Value when cycle is detected.

default_value: Option<String>

Value when no cycle.

Trait Implementations

impl Clone for CycleClause

fn clone(&self) -> CycleClause

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CycleClause

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for CycleClause

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for CycleClause

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for CycleClause

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for CycleClause

impl StructuralPartialEq for CycleClause