milvus/internal/storage/field_stats_test.go
wei liu d3e94f9861
enhance: Use Blocked Bloom Filter instead of basic bloom fitler impl (#34377)
issue: #32995
pr: #33405
To speed up the construction and querying of Bloom filters, we chose a
blocked Bloom filter instead of a basic Bloom filter implementation.

WARN: This PR is compatible with old version bf impl, but if fall back
to old milvus version, it may causes bloom filter deserialize failed.

In single Bloom filter test cases with a capacity of 1,000,000 and a
false positive rate (FPR) of 0.001, the blocked Bloom filter is 5 times
faster than the basic Bloom filter in both querying and construction, at
the cost of a 30% increase in memory usage.

Block BF construct time {"time": "54.128131ms"}
Block BF size {"size": 3021578}
Block BF Test cost {"time": "55.407352ms"}
Basic BF construct time {"time": "210.262183ms"}
Basic BF size {"size": 2396308}
Basic BF Test cost {"time": "192.596229ms"}
In multi Bloom filter test cases with a capacity of 100,000, an FPR of
0.001, and 100 Bloom filters, we reuse the primary key locations for all
Bloom filters to avoid repeated hash computations. As a result, the
blocked Bloom filter is also 5 times faster than the basic Bloom filter
in querying.

Block BF TestLocation cost {"time": "529.97183ms"}
Basic BF TestLocation cost {"time": "3.197430181s"}

Signed-off-by: Wei Liu <wei.liu@zilliz.com>
2024-07-05 17:04:10 +08:00

724 lines
21 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package storage
import (
"encoding/json"
"testing"
"github.com/stretchr/testify/assert"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/internal/util/bloomfilter"
"github.com/milvus-io/milvus/pkg/common"
"github.com/milvus-io/milvus/pkg/util/merr"
"github.com/milvus-io/milvus/pkg/util/paramtable"
)
func TestFieldStatsUpdate(t *testing.T) {
fieldStat1, err := NewFieldStats(1, schemapb.DataType_Int8, 2)
assert.NoError(t, err)
fieldStat1.Update(NewInt8FieldValue(1))
fieldStat1.Update(NewInt8FieldValue(3))
assert.Equal(t, int8(3), fieldStat1.Max.GetValue())
assert.Equal(t, int8(1), fieldStat1.Min.GetValue())
fieldStat2, err := NewFieldStats(1, schemapb.DataType_Int16, 2)
assert.NoError(t, err)
fieldStat2.Update(NewInt16FieldValue(99))
fieldStat2.Update(NewInt16FieldValue(201))
assert.Equal(t, int16(201), fieldStat2.Max.GetValue())
assert.Equal(t, int16(99), fieldStat2.Min.GetValue())
fieldStat3, err := NewFieldStats(1, schemapb.DataType_Int32, 2)
assert.NoError(t, err)
fieldStat3.Update(NewInt32FieldValue(99))
fieldStat3.Update(NewInt32FieldValue(201))
assert.Equal(t, int32(201), fieldStat3.Max.GetValue())
assert.Equal(t, int32(99), fieldStat3.Min.GetValue())
fieldStat4, err := NewFieldStats(1, schemapb.DataType_Int64, 2)
assert.NoError(t, err)
fieldStat4.Update(NewInt64FieldValue(99))
fieldStat4.Update(NewInt64FieldValue(201))
assert.Equal(t, int64(201), fieldStat4.Max.GetValue())
assert.Equal(t, int64(99), fieldStat4.Min.GetValue())
fieldStat5, err := NewFieldStats(1, schemapb.DataType_Float, 2)
assert.NoError(t, err)
fieldStat5.Update(NewFloatFieldValue(99.0))
fieldStat5.Update(NewFloatFieldValue(201.0))
assert.Equal(t, float32(201.0), fieldStat5.Max.GetValue())
assert.Equal(t, float32(99.0), fieldStat5.Min.GetValue())
fieldStat6, err := NewFieldStats(1, schemapb.DataType_Double, 2)
assert.NoError(t, err)
fieldStat6.Update(NewDoubleFieldValue(9.9))
fieldStat6.Update(NewDoubleFieldValue(20.1))
assert.Equal(t, float64(20.1), fieldStat6.Max.GetValue())
assert.Equal(t, float64(9.9), fieldStat6.Min.GetValue())
fieldStat7, err := NewFieldStats(2, schemapb.DataType_String, 2)
assert.NoError(t, err)
fieldStat7.Update(NewStringFieldValue("a"))
fieldStat7.Update(NewStringFieldValue("z"))
assert.Equal(t, "z", fieldStat7.Max.GetValue())
assert.Equal(t, "a", fieldStat7.Min.GetValue())
fieldStat8, err := NewFieldStats(2, schemapb.DataType_VarChar, 2)
assert.NoError(t, err)
fieldStat8.Update(NewVarCharFieldValue("a"))
fieldStat8.Update(NewVarCharFieldValue("z"))
assert.Equal(t, "z", fieldStat8.Max.GetValue())
assert.Equal(t, "a", fieldStat8.Min.GetValue())
}
func TestFieldStatsWriter_Int8FieldValue(t *testing.T) {
data := &Int8FieldData{
Data: []int8{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int8, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewInt8FieldValue(9)
minPk := NewInt8FieldValue(1)
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats.BF.Test(buffer))
}
msgs := &Int8FieldData{
Data: []int8{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int8, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_Int16FieldValue(t *testing.T) {
data := &Int16FieldData{
Data: []int16{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int16, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewInt16FieldValue(9)
minPk := NewInt16FieldValue(1)
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats.BF.Test(buffer))
}
msgs := &Int16FieldData{
Data: []int16{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int16, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_Int32FieldValue(t *testing.T) {
data := &Int32FieldData{
Data: []int32{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int32, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewInt32FieldValue(9)
minPk := NewInt32FieldValue(1)
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats.BF.Test(buffer))
}
msgs := &Int32FieldData{
Data: []int32{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int32, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_Int64FieldValue(t *testing.T) {
data := &Int64FieldData{
Data: []int64{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewInt64FieldValue(9)
minPk := NewInt64FieldValue(1)
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats.BF.Test(buffer))
}
msgs := &Int64FieldData{
Data: []int64{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_FloatFieldValue(t *testing.T) {
data := &FloatFieldData{
Data: []float32{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Float, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewFloatFieldValue(9)
minPk := NewFloatFieldValue(1)
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats.BF.Test(buffer))
}
msgs := &FloatFieldData{
Data: []float32{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Float, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_DoubleFieldValue(t *testing.T) {
data := &DoubleFieldData{
Data: []float64{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Double, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewDoubleFieldValue(9)
minPk := NewDoubleFieldValue(1)
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats.BF.Test(buffer))
}
msgs := &DoubleFieldData{
Data: []float64{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Double, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_StringFieldValue(t *testing.T) {
data := &StringFieldData{
Data: []string{"bc", "ac", "abd", "cd", "milvus"},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_String, data)
assert.NoError(t, err)
b := sw.GetBuffer()
t.Log(string(b))
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewStringFieldValue("milvus")
minPk := NewStringFieldValue("abd")
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
for _, id := range data.Data {
assert.True(t, stats.BF.TestString(id))
}
msgs := &Int64FieldData{
Data: []int64{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_VarCharFieldValue(t *testing.T) {
data := &StringFieldData{
Data: []string{"bc", "ac", "abd", "cd", "milvus"},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_VarChar, data)
assert.NoError(t, err)
b := sw.GetBuffer()
t.Log(string(b))
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := NewVarCharFieldValue("milvus")
minPk := NewVarCharFieldValue("abd")
assert.Equal(t, true, stats.Max.EQ(maxPk))
assert.Equal(t, true, stats.Min.EQ(minPk))
for _, id := range data.Data {
assert.True(t, stats.BF.TestString(id))
}
msgs := &Int64FieldData{
Data: []int64{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, msgs)
assert.NoError(t, err)
}
func TestFieldStatsWriter_BF(t *testing.T) {
value := make([]int64, 1000000)
for i := 0; i < 1000000; i++ {
value[i] = int64(i)
}
data := &Int64FieldData{
Data: value,
}
t.Log(data.RowNum())
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, data)
assert.NoError(t, err)
sr := &FieldStatsReader{}
sr.SetBuffer(sw.GetBuffer())
statsList, err := sr.GetFieldStatsList()
assert.NoError(t, err)
stats := statsList[0]
buf := make([]byte, 8)
for i := 0; i < 1000000; i++ {
common.Endian.PutUint64(buf, uint64(i))
assert.True(t, stats.BF.Test(buf))
}
common.Endian.PutUint64(buf, uint64(1000001))
assert.False(t, stats.BF.Test(buf))
assert.True(t, stats.Min.EQ(NewInt64FieldValue(0)))
assert.True(t, stats.Max.EQ(NewInt64FieldValue(999999)))
}
func TestFieldStatsWriter_UpgradePrimaryKey(t *testing.T) {
data := &Int64FieldData{
Data: []int64{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
stats := &PrimaryKeyStats{
FieldID: common.RowIDField,
Min: 1,
Max: 9,
BF: bloomfilter.NewBloomFilterWithType(100000, 0.05, paramtable.Get().CommonCfg.BloomFilterType.GetValue()),
}
b := make([]byte, 8)
for _, int64Value := range data.Data {
common.Endian.PutUint64(b, uint64(int64Value))
stats.BF.Add(b)
}
blob, err := json.Marshal(stats)
assert.NoError(t, err)
sr := &FieldStatsReader{}
sr.SetBuffer(blob)
unmarshalledStats, err := sr.GetFieldStatsList()
assert.NoError(t, err)
maxPk := &Int64FieldValue{
Value: 9,
}
minPk := &Int64FieldValue{
Value: 1,
}
assert.Equal(t, true, unmarshalledStats[0].Max.EQ(maxPk))
assert.Equal(t, true, unmarshalledStats[0].Min.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, unmarshalledStats[0].BF.Test(buffer))
}
}
func TestDeserializeFieldStatsFailed(t *testing.T) {
t.Run("empty field stats", func(t *testing.T) {
blob := &Blob{
Value: []byte{},
}
_, err := DeserializeFieldStats(blob)
assert.NoError(t, err)
})
t.Run("invalid field stats", func(t *testing.T) {
blob := &Blob{
Value: []byte("abc"),
}
_, err := DeserializeFieldStats(blob)
assert.ErrorIs(t, err, merr.ErrParameterInvalid)
})
t.Run("valid field stats", func(t *testing.T) {
blob := &Blob{
Value: []byte("[{\"fieldID\":1,\"max\":10, \"min\":1}]"),
}
_, err := DeserializeFieldStats(blob)
assert.NoError(t, err)
})
}
func TestDeserializeFieldStats(t *testing.T) {
t.Run("empty field stats", func(t *testing.T) {
blob := &Blob{
Value: []byte{},
}
_, err := DeserializeFieldStats(blob)
assert.NoError(t, err)
})
t.Run("invalid field stats, not valid json", func(t *testing.T) {
blob := &Blob{
Value: []byte("abc"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, no fieldID", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"field\":\"a\"}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, invalid fieldID", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":\"a\"}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, invalid type", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"type\":\"a\"}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, invalid type", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"type\":\"a\"}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, invalid max int64", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"max\":\"a\"}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, invalid min int64", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"min\":\"a\"}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, invalid max varchar", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"type\":21,\"max\":2}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("invalid field stats, invalid min varchar", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"type\":21,\"min\":1}"),
}
_, err := DeserializeFieldStats(blob)
assert.Error(t, err)
})
t.Run("valid int64 field stats", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"max\":10, \"min\":1}"),
}
_, err := DeserializeFieldStats(blob)
assert.NoError(t, err)
})
t.Run("valid varchar field stats", func(t *testing.T) {
blob := &Blob{
Value: []byte("{\"fieldID\":1,\"type\":21,\"max\":\"z\", \"min\":\"a\"}"),
}
_, err := DeserializeFieldStats(blob)
assert.NoError(t, err)
})
}
func TestCompatible_ReadPrimaryKeyStatsWithFieldStatsReader(t *testing.T) {
data := &Int64FieldData{
Data: []int64{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &StatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
stats, err := sr.GetFieldStatsList()
assert.NoError(t, err)
maxPk := &Int64FieldValue{
Value: 9,
}
minPk := &Int64FieldValue{
Value: 1,
}
assert.Equal(t, true, stats[0].Max.EQ(maxPk))
assert.Equal(t, true, stats[0].Min.EQ(minPk))
assert.Equal(t, schemapb.DataType_Int64.String(), stats[0].Type.String())
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats[0].BF.Test(buffer))
}
msgs := &Int64FieldData{
Data: []int64{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, msgs)
assert.NoError(t, err)
}
func TestFieldStatsUnMarshal(t *testing.T) {
t.Run("fail", func(t *testing.T) {
stats, err := NewFieldStats(1, schemapb.DataType_Int64, 1)
assert.NoError(t, err)
err = stats.UnmarshalJSON([]byte("{\"fieldID\":1,\"max\":10, }"))
assert.Error(t, err)
err = stats.UnmarshalJSON([]byte("{\"fieldID\":1,\"max\":10, \"maxPk\":\"A\"}"))
assert.Error(t, err)
err = stats.UnmarshalJSON([]byte("{\"fieldID\":1,\"max\":10, \"maxPk\":10, \"minPk\": \"b\"}"))
assert.Error(t, err)
// return AlwaysTrueBloomFilter when deserialize bloom filter failed.
err = stats.UnmarshalJSON([]byte("{\"fieldID\":1,\"max\":10, \"maxPk\":10, \"minPk\": 1, \"bf\": \"2\"}"))
assert.NoError(t, err)
})
t.Run("succeed", func(t *testing.T) {
int8stats, err := NewFieldStats(1, schemapb.DataType_Int8, 1)
assert.NoError(t, err)
err = int8stats.UnmarshalJSON([]byte("{\"type\":2, \"fieldID\":1,\"max\":10, \"min\": 1}"))
assert.NoError(t, err)
int16stats, err := NewFieldStats(1, schemapb.DataType_Int16, 1)
assert.NoError(t, err)
err = int16stats.UnmarshalJSON([]byte("{\"type\":3, \"fieldID\":1,\"max\":10, \"min\": 1}"))
assert.NoError(t, err)
int32stats, err := NewFieldStats(1, schemapb.DataType_Int32, 1)
assert.NoError(t, err)
err = int32stats.UnmarshalJSON([]byte("{\"type\":4, \"fieldID\":1,\"max\":10, \"min\": 1}"))
assert.NoError(t, err)
int64stats, err := NewFieldStats(1, schemapb.DataType_Int64, 1)
assert.NoError(t, err)
err = int64stats.UnmarshalJSON([]byte("{\"type\":5, \"fieldID\":1,\"max\":10, \"min\": 1}"))
assert.NoError(t, err)
floatstats, err := NewFieldStats(1, schemapb.DataType_Float, 1)
assert.NoError(t, err)
err = floatstats.UnmarshalJSON([]byte("{\"type\":10, \"fieldID\":1,\"max\":10.0, \"min\": 1.2}"))
assert.NoError(t, err)
doublestats, err := NewFieldStats(1, schemapb.DataType_Double, 1)
assert.NoError(t, err)
err = doublestats.UnmarshalJSON([]byte("{\"type\":11, \"fieldID\":1,\"max\":10.0, \"min\": 1.2}"))
assert.NoError(t, err)
})
}
func TestCompatible_ReadFieldStatsWithPrimaryKeyStatsReader(t *testing.T) {
data := &Int64FieldData{
Data: []int64{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &StatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetPrimaryKeyStatsList()
assert.NoError(t, err)
stats := statsList[0]
maxPk := &Int64PrimaryKey{
Value: 9,
}
minPk := &Int64PrimaryKey{
Value: 1,
}
assert.Equal(t, true, stats.MaxPk.EQ(maxPk))
assert.Equal(t, true, stats.MinPk.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, stats.BF.Test(buffer))
}
msgs := &Int64FieldData{
Data: []int64{},
}
err = sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, msgs)
assert.NoError(t, err)
}
func TestMultiFieldStats(t *testing.T) {
pkData := &Int64FieldData{
Data: []int64{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
partitionKeyData := &Int64FieldData{
Data: []int64{1, 10, 21, 31, 41, 51, 61, 71, 81},
}
sw := &FieldStatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, pkData, partitionKeyData)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &FieldStatsReader{}
sr.SetBuffer(b)
statsList, err := sr.GetFieldStatsList()
assert.Equal(t, 2, len(statsList))
assert.NoError(t, err)
pkStats := statsList[0]
maxPk := NewInt64FieldValue(9)
minPk := NewInt64FieldValue(1)
assert.Equal(t, true, pkStats.Max.EQ(maxPk))
assert.Equal(t, true, pkStats.Min.EQ(minPk))
partitionKeyStats := statsList[1]
maxPk2 := NewInt64FieldValue(81)
minPk2 := NewInt64FieldValue(1)
assert.Equal(t, true, partitionKeyStats.Max.EQ(maxPk2))
assert.Equal(t, true, partitionKeyStats.Min.EQ(minPk2))
}
func TestVectorFieldStatsMarshal(t *testing.T) {
stats, err := NewFieldStats(1, schemapb.DataType_FloatVector, 1)
assert.NoError(t, err)
centroid := NewFloatVectorFieldValue([]float32{1.0, 2.0, 3.0, 4.0, 1.0, 2.0, 3.0, 4.0})
stats.SetVectorCentroids(centroid)
bytes, err := json.Marshal(stats)
assert.NoError(t, err)
stats2, err := NewFieldStats(1, schemapb.DataType_FloatVector, 1)
assert.NoError(t, err)
stats2.UnmarshalJSON(bytes)
assert.Equal(t, 1, len(stats2.Centroids))
assert.ElementsMatch(t, []VectorFieldValue{centroid}, stats2.Centroids)
stats3, err := NewFieldStats(1, schemapb.DataType_FloatVector, 2)
assert.NoError(t, err)
centroid2 := NewFloatVectorFieldValue([]float32{9.0, 2.0, 3.0, 4.0, 1.0, 2.0, 3.0, 4.0})
stats3.SetVectorCentroids(centroid, centroid2)
bytes2, err := json.Marshal(stats3)
assert.NoError(t, err)
stats4, err := NewFieldStats(1, schemapb.DataType_FloatVector, 2)
assert.NoError(t, err)
stats4.UnmarshalJSON(bytes2)
assert.Equal(t, 2, len(stats4.Centroids))
assert.ElementsMatch(t, []VectorFieldValue{centroid, centroid2}, stats4.Centroids)
}
func TestFindMaxVersion(t *testing.T) {
files := []string{"path/1", "path/2", "path/3"}
version, path := FindPartitionStatsMaxVersion(files)
assert.Equal(t, int64(3), version)
assert.Equal(t, "path/3", path)
files2 := []string{}
version2, path2 := FindPartitionStatsMaxVersion(files2)
assert.Equal(t, int64(-1), version2)
assert.Equal(t, "", path2)
}