Struct RelationalAccessPathDescriptor 

pub struct RelationalAccessPathDescriptor {
    pub kind: RelationalAccessPathKind,
    pub name: String,
    pub index_columns: Vec<String>,
    pub access_columns: BTreeSet<String>,
    pub equality_prefix_len: usize,
    pub order_prefix_len: usize,
    pub exclusive_range: bool,
    pub reverse_order: bool,
    pub unique_point: bool,
    pub covering: bool,
    pub requires_row_fetch: bool,
    pub estimated_rows: usize,
}

Fields

kind: RelationalAccessPathKind

name: String

index_columns: Vec<String>

access_columns: BTreeSet<String>

equality_prefix_len: usize

order_prefix_len: usize

exclusive_range: bool

reverse_order: bool

unique_point: bool

covering: bool

requires_row_fetch: bool

estimated_rows: usize

Implementations

impl RelationalAccessPathDescriptor

pub fn validate(&self) -> Result<(), &'static str>

Trait Implementations

impl Clone for RelationalAccessPathDescriptor

fn clone(&self) -> RelationalAccessPathDescriptor

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for RelationalAccessPathDescriptor

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

Formats the value using the given formatter.

impl Eq for RelationalAccessPathDescriptor

impl PartialEq for RelationalAccessPathDescriptor

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for RelationalAccessPathDescriptor