Function _ExecutionPlan_Clone

src/execution_plan/execution_plan_clone.c:55–66

}

static ExecutionPlan *_ExecutionPlan_Clone(const ExecutionPlan *template) {
	// create mapping from old exec-plans to the ones
	dict *old_to_new = HashTableCreate(&def_dt);

	OpBase *clone_root = _CloneOpTree(template->root, old_to_new);
	// The "master" execution plan is the one constructed with the root op.
	ExecutionPlan *clone = (ExecutionPlan *)clone_root->plan;

	HashTableRelease(old_to_new);

	return clone;
}

/* This function clones the input ExecutionPlan by recursively visiting its tree of ops.
 * When an op is encountered that was constructed as part of a different ExecutionPlan segment, that segment