Module datafusion::physical_optimizer::dist_enforcement

EnforceDistribution optimizer rule inspects the physical plan with respect to distribution requirements and adds RepartitionExecs to satisfy them when necessary.

Structs

• EnforceDistribution
  The EnforceDistribution rule ensures that distribution requirements are met in the strictest way. It might add additional RepartitionExec to the plan tree and give a non-optimal plan, but it can avoid the possible data skew in joins.