Enum SQLQueryPlanNode 

pub enum SQLQueryPlanNode {
    SeqScan {
        table: String,
        cost: f64,
        rows: u64,
    },
    IndexScan {
        table: String,
        index: String,
        cost: f64,
        rows: u64,
    },
    HashJoin {
        cost: f64,
        rows: u64,
    },
    MergeJoin {
        cost: f64,
        rows: u64,
    },
    NestedLoop {
        cost: f64,
        rows: u64,
    },
    Sort {
        key: Vec<String>,
        cost: f64,
    },
    Aggregate {
        function: String,
        cost: f64,
    },
    Hash {
        cost: f64,
    },
}

Variants

SeqScan

Fields

table: String

cost: f64

rows: u64

IndexScan

Fields

table: String

index: String

cost: f64

rows: u64

HashJoin

Fields

cost: f64

rows: u64

MergeJoin

Fields

cost: f64

rows: u64

NestedLoop

Fields

cost: f64

rows: u64

Sort

Fields

key: Vec<String>

cost: f64

Aggregate

Fields

function: String

cost: f64

Hash

Fields

cost: f64

Implementations

impl SQLQueryPlanNode

pub fn cost(&self) -> f64

pub fn node_type(&self) -> &str

Trait Implementations

impl Clone for SQLQueryPlanNode

fn clone(&self) -> SQLQueryPlanNode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SQLQueryPlanNode

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

Formats the value using the given formatter.