Method Prepare

be/src/exec/system-table-scan-node.cc:32–38

namespace impala {

Status SystemTableScanNode::Prepare(RuntimeState* state) {
  RETURN_IF_ERROR(ScanNode::Prepare(state));
  tuple_desc_ = state->desc_tbl().GetTupleDescriptor(
      plan_node().tnode_->system_table_scan_node.tuple_id);
  DCHECK(tuple_desc_ != nullptr);
  return Status::OK();
}

Status SystemTableScanNode::Open(RuntimeState* state) {
  SCOPED_TIMER(runtime_profile_->total_time_counter());