Module optimizer

Optimizer and OptimizerRule

Structs

Optimizer

A rule-based optimizer.

OptimizerContext

A standalone OptimizerConfig that can be used independently of DataFusion’s config management

Enums

ApplyOrder

Specifies how recursion for an OptimizerRule should be handled.

Traits

OptimizerConfig

Options to control the DataFusion Optimizer.

OptimizerRule

OptimizerRules transforms one LogicalPlan into another which computes the same results, but in a potentially more efficient way. If there are no suitable transformations for the input plan, the optimizer should simply return it unmodified.