Method ResetMatchingBuildRows

be/src/exec/nested-loop-join-node.cc:205–220

}

Status NestedLoopJoinNode::ResetMatchingBuildRows(RuntimeState* state, int64_t num_bits) {
  // Reuse existing bitmap, expanding it if needed.
  if (matching_build_rows_->num_bits() >= num_bits) {
    matching_build_rows_->SetAllBits(false);
  } else {
    // Account for the additional memory used by the bitmap.
    int64_t bitmap_size_increase =
        Bitmap::MemUsage(num_bits) - matching_build_rows_->MemUsage();
    if (!mem_tracker()->TryConsume(bitmap_size_increase)) {
      return mem_tracker()->MemLimitExceeded(state,
          "Could not expand bitmap in nested loop join", bitmap_size_increase);
    }
    matching_build_rows_->Reset(num_bits);
  }
  return Status::OK();
}

void NestedLoopJoinNode::ResetForProbe() {
  DCHECK(build_batches_ != NULL);