Enum mentat::query::QueryExplanation

pub enum QueryExplanation {
    KnownEmpty(EmptyBecause),
    KnownConstant,
    ExecutionPlan {
        query: SQLQuery,
        steps: Vec<QueryPlanStep>,
    },
}

A struct describing information about how Mentat would execute a query.

Variants

KnownEmpty(EmptyBecause)

A query known in advance to be empty, and why we believe that.

KnownConstant

A query known in advance to return a constant value.

ExecutionPlan

A query that takes actual work to execute.

Fields of ExecutionPlan

query: SQLQuery	The translated query and any bindings.
steps: Vec<QueryPlanStep>	The output of SQLite's EXPLAIN QUERY PLAN.

Trait Implementations