Module datafusion::optimizer

This module contains a query optimizer that operates against a logical plan and applies some simple rules to a logical plan, such as "Projection Push Down" and "Type Coercion".

Modules

filter_push_down	Filter Push Down optimizer rule ensures that filters are applied as early as possible in the plan
hash_build_probe_order	Optimizer rule to switch build and probe order of hash join based on statistics of a TableProvider. If the number of rows of both sources is known, the order can be switched for a faster hash join.
optimizer	Query optimizer traits
projection_push_down	Projection Push Down optimizer rule ensures that only referenced columns are loaded into memory
utils	Collection of utility functions that are leveraged by the query optimizer rules