Function New

compiler/optimizer/optimizer.go:25–35

(ctx context.Context, env *exec.Environment)

}

func New(ctx context.Context, env *exec.Environment) *Optimizer {
	var root *db.Root
	if env != nil {
		root = env.DB()
	}
	return &Optimizer{
		ctx: ctx,
		env: env,
		db:  root,
	}
}

// mergeFilters transforms the DAG by merging adjacent filter operators so that,
// e.g., "where a | where b" becomes "where a and b".