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chore: import upstream snapshot with attribution
2026-07-13 12:31:17 +08:00

349 lines
9.9 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 (
"bytes"
"encoding/binary"
"testing"
"github.com/stretchr/testify/assert"
"github.com/milvus-io/milvus-proto/go-api/v3/schemapb"
"github.com/milvus-io/milvus/internal/json"
"github.com/milvus-io/milvus/internal/util/bloomfilter"
"github.com/milvus-io/milvus/pkg/v3/common"
"github.com/milvus-io/milvus/pkg/v3/util/merr"
"github.com/milvus-io/milvus/pkg/v3/util/paramtable"
)
func TestStatsWriter_Int64PrimaryKey(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 := &StatsReader{}
sr.SetBuffer(b)
stats, err := sr.GetPrimaryKeyStats()
assert.NoError(t, err)
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 TestStatsWriter_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 := &StatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_Int64, data)
assert.NoError(t, err)
stats := &PrimaryKeyStats{}
stats.UnmarshalJSON(sw.buffer)
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.MinPk.EQ(NewInt64PrimaryKey(0)))
assert.True(t, stats.MaxPk.EQ(NewInt64PrimaryKey(999999)))
}
func TestStatsWriter_VarCharPrimaryKey(t *testing.T) {
data := &StringFieldData{
Data: []string{"bc", "ac", "abd", "cd", "milvus"},
}
sw := &StatsWriter{}
err := sw.GenerateByData(common.RowIDField, schemapb.DataType_VarChar, data)
assert.NoError(t, err)
b := sw.GetBuffer()
sr := &StatsReader{}
sr.SetBuffer(b)
stats, err := sr.GetPrimaryKeyStats()
assert.NoError(t, err)
maxPk := NewVarCharPrimaryKey("milvus")
minPk := NewVarCharPrimaryKey("abd")
assert.Equal(t, true, stats.MaxPk.EQ(maxPk))
assert.Equal(t, true, stats.MinPk.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 TestStatsWriter_UpgradePrimaryKey(t *testing.T) {
data := &Int64FieldData{
Data: []int64{1, 2, 3, 4, 5, 6, 7, 8, 9},
}
bfType := paramtable.Get().CommonCfg.BloomFilterType.GetValue()
stats := &PrimaryKeyStats{
FieldID: common.RowIDField,
Min: 1,
Max: 9,
BFType: bloomfilter.BFTypeFromString(bfType),
BF: bloomfilter.NewBloomFilterWithType(100000, 0.05, bfType),
}
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 := &StatsReader{}
sr.SetBuffer(blob)
unmarshaledStats, err := sr.GetPrimaryKeyStats()
assert.NoError(t, err)
maxPk := &Int64PrimaryKey{
Value: 9,
}
minPk := &Int64PrimaryKey{
Value: 1,
}
assert.Equal(t, true, unmarshaledStats.MaxPk.EQ(maxPk))
assert.Equal(t, true, unmarshaledStats.MinPk.EQ(minPk))
buffer := make([]byte, 8)
for _, id := range data.Data {
common.Endian.PutUint64(buffer, uint64(id))
assert.True(t, unmarshaledStats.BF.Test(buffer))
}
}
func TestDeserializeBloomFilterStats(t *testing.T) {
// Build a compound stats blob using GenerateList.
stat, err := NewPrimaryKeyStats(1, int64(schemapb.DataType_Int64), 100)
assert.NoError(t, err)
stat.Update(NewInt64PrimaryKey(1))
stat.Update(NewInt64PrimaryKey(2))
sw := &StatsWriter{}
sw.GenerateList([]*PrimaryKeyStats{stat})
compoundBlob := &Blob{Value: sw.GetBuffer()}
// Build a default (per-row) stats blob.
sw2 := &StatsWriter{}
err = sw2.GenerateByData(common.RowIDField, schemapb.DataType_Int64, &Int64FieldData{
Data: []int64{10, 20},
})
assert.NoError(t, err)
defaultBlob := &Blob{Value: sw2.GetBuffer()}
t.Run("compound path at non-zero index", func(t *testing.T) {
// The compound blob is at index 1 (not 0). Before the fix this
// would incorrectly use blobs[0] (the default blob) and fail.
paths := []string{
"root/stats/0",
"root/stats/" + CompoundStatsType.LogIdx(),
}
blobs := []*Blob{defaultBlob, compoundBlob}
stats, err := DeserializeBloomFilterStats(paths, blobs)
assert.NoError(t, err)
assert.Equal(t, 1, len(stats))
assert.True(t, stats[0].MinPk.EQ(NewInt64PrimaryKey(1)))
assert.True(t, stats[0].MaxPk.EQ(NewInt64PrimaryKey(2)))
})
t.Run("compound path at index zero", func(t *testing.T) {
paths := []string{
"root/stats/" + CompoundStatsType.LogIdx(),
}
blobs := []*Blob{compoundBlob}
stats, err := DeserializeBloomFilterStats(paths, blobs)
assert.NoError(t, err)
assert.Equal(t, 1, len(stats))
assert.True(t, stats[0].MinPk.EQ(NewInt64PrimaryKey(1)))
})
t.Run("default stats fallback", func(t *testing.T) {
paths := []string{"root/stats/0"}
blobs := []*Blob{defaultBlob}
stats, err := DeserializeBloomFilterStats(paths, blobs)
assert.NoError(t, err)
assert.Equal(t, 1, len(stats))
assert.True(t, stats[0].MinPk.EQ(NewInt64PrimaryKey(10)))
assert.True(t, stats[0].MaxPk.EQ(NewInt64PrimaryKey(20)))
})
}
func TestDeserializeStatsFailed(t *testing.T) {
blob := &Blob{
Value: []byte("abc"),
}
_, err := DeserializeStatsList(blob)
assert.ErrorIs(t, err, merr.ErrDataIntegrity)
}
func TestDeserializeEmptyStats(t *testing.T) {
blob := &Blob{
Value: []byte{},
}
_, err := DeserializeStats([]*Blob{blob})
assert.NoError(t, err)
}
func TestMarshalStats(t *testing.T) {
stat, err := NewPrimaryKeyStats(1, int64(schemapb.DataType_Int64), 100000)
assert.NoError(t, err)
for i := 0; i < 10000; i++ {
stat.Update(NewInt64PrimaryKey(int64(i)))
}
sw := &StatsWriter{}
sw.GenerateList([]*PrimaryKeyStats{stat})
bytes := sw.GetBuffer()
sr := &StatsReader{}
sr.SetBuffer(bytes)
stat1, err := sr.GetPrimaryKeyStatsList()
assert.NoError(t, err)
assert.Equal(t, 1, len(stat1))
assert.Equal(t, stat.Min, stat1[0].Min)
assert.Equal(t, stat.Max, stat1[0].Max)
for i := 0; i < 10000; i++ {
b := make([]byte, 8)
common.Endian.PutUint64(b, uint64(i))
assert.True(t, stat1[0].BF.Test(b))
}
}
func TestBM25Stats_MemSize(t *testing.T) {
stats := NewBM25Stats()
baseSize := stats.MemSize()
assert.Equal(t, int64(120), baseSize)
// Add tokens and verify size grows
for i := uint32(0); i < 100; i++ {
stats.Append(map[uint32]float32{i: 1})
}
bytesPerEntry := paramtable.Get().QueryNodeCfg.BM25StatsBytesPerEntry.GetAsInt64()
assert.Equal(t, int64(120)+100*bytesPerEntry, stats.MemSize())
}
func TestBM25Stats_DeserializeFromReader(t *testing.T) {
t.Run("roundtrip", func(t *testing.T) {
original := NewBM25Stats()
for i := uint32(0); i < 50; i++ {
original.Append(map[uint32]float32{i: 1})
}
data, err := original.Serialize()
assert.NoError(t, err)
restored := NewBM25Stats()
err = restored.DeserializeFromReader(bytes.NewReader(data))
assert.NoError(t, err)
assert.Equal(t, original.NumRow(), restored.NumRow())
assert.Equal(t, original.GetAvgdl(), restored.GetAvgdl())
})
t.Run("accumulate_multiple", func(t *testing.T) {
s1 := NewBM25Stats()
s1.Append(map[uint32]float32{1: 1, 2: 1})
d1, _ := s1.Serialize()
s2 := NewBM25Stats()
s2.Append(map[uint32]float32{2: 1, 3: 1})
d2, _ := s2.Serialize()
merged := NewBM25Stats()
assert.NoError(t, merged.DeserializeFromReader(bytes.NewReader(d1)))
assert.NoError(t, merged.DeserializeFromReader(bytes.NewReader(d2)))
assert.Equal(t, int64(2), merged.NumRow())
})
t.Run("truncated_header", func(t *testing.T) {
// Only 10 bytes, header needs 20 (version + numRow + tokenNum)
data := make([]byte, 10)
restored := NewBM25Stats()
err := restored.DeserializeFromReader(bytes.NewReader(data))
assert.Error(t, err)
})
t.Run("truncated_value", func(t *testing.T) {
// Valid header + key but truncated value
buf := new(bytes.Buffer)
binary.Write(buf, common.Endian, int32(0)) // version
binary.Write(buf, common.Endian, int64(1)) // numRow
binary.Write(buf, common.Endian, int64(1)) // numToken
binary.Write(buf, common.Endian, uint32(42)) // key
binary.Write(buf, common.Endian, int16(1)) // truncated value (2 bytes instead of 4)
restored := NewBM25Stats()
err := restored.DeserializeFromReader(buf)
assert.Error(t, err)
})
t.Run("empty_tokens", func(t *testing.T) {
// Valid header, zero tokens
buf := new(bytes.Buffer)
binary.Write(buf, common.Endian, int32(0)) // version
binary.Write(buf, common.Endian, int64(5)) // numRow
binary.Write(buf, common.Endian, int64(0)) // numToken
restored := NewBM25Stats()
err := restored.DeserializeFromReader(buf)
assert.NoError(t, err)
assert.Equal(t, int64(5), restored.NumRow())
})
}