Struct QueryPlanner

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pub struct QueryPlanner { /* private fields */ }

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Query planner that converts SQL AST to Volcano operator trees.

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impl QueryPlanner

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pub fn new(storage: Arc<dyn StorageBackend>) -> Self

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pub fn plan_select(&self, select: &SelectStmt) -> Result<Box<dyn PlanNode>>

Plan a SELECT statement into an operator tree.

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impl !UnwindSafe for QueryPlanner

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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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