t.Fatalf("Should find saved record")
	}

	if err := DB.First(&User{}, "name = ?", user1.Name).Error; err == nil {
		t.Fatalf("Should not find rollbacked record")
	}

	if err := DB.First(&User{}, "name = ?", user2.Name).Error; err != nil {
		t.Fatalf("Should find saved record")
	}
}

func TestNestedTransactionWithBlock(t *testing.T) {
	var (

		t.Errorf("Can't find a soft deleted record")
	}

	count = 0
	if DB.Model(&User{}).Where("name = ?", user.Name).Count(&count).Error != nil || count != 0 {
		t.Errorf("Count soft deleted record, expects: %v, got: %v", 0, count)
	}

	age = 0
	if DB.Model(&User{}).Select("age").Where("name = ?", user.Name).Scan(&age).Error != nil || age != 0 {
		t.Errorf("Age soft deleted record, expects: %v, got: %v", 0, age)
	}

			for k := 0; k < (i+1-TimeHistMinBucketBits)*TimeHistNumSubBuckets+j; k++ {
				// Record a number of times equal to the bucket index.
				h.Record(base + v)
			}
		}
	}
	// Hit the underflow and overflow buckets.
	h.Record(int64(-1))
	h.Record(math.MaxInt64)
	h.Record(math.MaxInt64)

	// Check to make sure there's exactly one count in each
	// bucket.

		r:     bufio.NewReader(r),
	}
}

// Read reads one record (a slice of fields) from r.
// If the record has an unexpected number of fields,
// Read returns the record along with the error [ErrFieldCount].
// If the record contains a field that cannot be parsed,
// Read returns a partial record along with the parse error.
// The partial record contains all fields read before the error.

				t.Errorf("io.ReadFull = %d, %v", n, err)
				return
			}

			length := int(recordHeader[3])<<8 | int(recordHeader[4])
			if len(record) < length {
				record = make([]byte, length)
			}

			n, err = io.ReadFull(clientConn, record[:length])
			if err != nil || n != length {
				t.Errorf("io.ReadFull = %d, %v", n, err)
				return
			}

// background goroutine for processing.
// Because sending to a channel can be expensive due to locking,
// we simulate a lock-free queue by adding the Record to a ring buffer.
// Omitting the locking makes this little more than a copy of the Record,
// but that is a worthwhile thing to measure because Records are on the large
// side. Since nothing actually reads from the ring buffer, it can handle an

		{"Rob", "Pike", "rob"},
		{"Ken", "Thompson", "ken"},
		{"Robert", "Griesemer", "gri"},
	}

	w := csv.NewWriter(os.Stdout)

	for _, record := range records {
		if err := w.Write(record); err != nil {
			log.Fatalln("error writing record to csv:", err)
		}
	}

	// Write any buffered data to the underlying writer (standard output).
	w.Flush()

	if err := w.Error(); err != nil {

		}
		return r, nil
	}
}

// EvalFrom evaluates the From clause on the input record. It only
// applies to JSON input data format (currently).
func (e *SelectStatement) EvalFrom(format string, input Record) ([]*Record, error) {
	if !e.selectAST.From.HasKeypath() {
		return []*Record{&input}, nil
	}
	_, rawVal := input.Raw()

	if format != "json" {

	assertRecordedMetrics()

	// Once we write it shows up
	testEmptyGauge.Record(0)
	testEmptySum.Record(0)
	testEmptyDistribution.Record(0)
	assertRecordedMetrics(relevantMetrics.UnsortedList()...)
}

func TestGauge(t *testing.T) {
	mt := monitortest.New(t)

	testGauge.Record(42)
	testGauge.Record(77)

	mt.Assert(testGauge.Name(), nil, monitortest.Exactly(77))
}

	r.baseMetric = baseMetric{
		name: o.name,
		rest: r,
	}
	return r
}

func (f *distribution) Record(value float64) {
	f.runRecordHook(value)
	if f.precomputedRecordOption != nil {
		f.d.Record(context.Background(), value, f.precomputedRecordOption...)
	} else {
		f.d.Record(context.Background(), value)
	}
}

func (f *distribution) With(labelValues ...LabelValue) Metric {