Method rowBasedSpillMode

bolt/core/QueryConfig.h:1219–1221

control row based spill, "raw" means enable row based spill with raw data, "compression" means enable row based spill with compressed data, otherwise disable row based spill

  int32_t testingSpillPct() const {
    return get<int32_t>(kTestingSpillPct, 0);
  }

  int32_t maxSpillLevel() const {
    return get<int32_t>(kMaxSpillLevel, 4);
  }