westonpace commented on code in PR #15104:
URL: https://github.com/apache/arrow/pull/15104#discussion_r1059426061
##########
cpp/src/arrow/compute/exec/exec_plan.cc:
##########
@@ -90,6 +95,15 @@ struct ExecPlanImpl : public ExecPlan {
if (started_) {
return Status::Invalid("restarted ExecPlan");
}
+ if (query_context_.exec_context()->executor() == nullptr) {
+ return Status::Invalid(
+ "An exec plan must have an executor for CPU tasks. To run without
threads use "
+ "a SerialExeuctor (the arrow::compute::DeclarationTo... methods
should take "
+ "care of this for you and are an easier way to execute an
ExecPlan.");
Review Comment:
Fixed
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