Repository: milvus-io/milvus-sdk-go
Pull request #835 (2024-10-22 15:51:30)

enhance: [2.4] Move collection meta check to server side
Move collection/partition validation logic to server side in case of frequent check rpc.

sre-ci-robot: [APPROVALNOTIFIER] This PR is **APPROVED**

This pull-request has been approved by: *<a href="https://github.com/milvus-io/milvus-sdk-go/pull/835#" title="Author self-approved">congqixia</a>*

The full list of commands accepted by this bot can be found [here](https://go.k8s.io/bot-commands?repo=milvus-io%2Fmilvus-sdk-go).

The pull request process is described [here](https://git.k8s.io/community/contributors/guide/owners.md#the-code-review-process)

<details >
Needs approval from an approver in each of these files:

- ~~[OWNERS](https://github.com/milvus-io/milvus-sdk-go/blob/v2.4.x/OWNERS)~~ [congqixia]

Approvers can indicate their approval by writing `/approve` in a comment
Approvers can cancel approval by writing `/approve cancel` in a comment
</details>
<!-- META={"approvers":[]} -->
congqixia: /kind enhancement
smellthemoon: /lgtm

Patch:
diff --git a/client/collection.go b/client/collection.go
index 359e250..65efe50 100644
--- a/client/collection.go
+++ b/client/collection.go
@@ -301,9 +301,6 @@ func (c *GrpcClient) DropCollection(ctx context.Context, collName string, opts .
 	if c.Service == nil {
 		return ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
 
 	req := &milvuspb.DropCollectionRequest{
 		CollectionName: collName,
@@ -350,10 +347,6 @@ func (c *GrpcClient) GetCollectionStatistics(ctx context.Context, collName strin
 		return nil, ErrClientNotReady
 	}
 
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return nil, err
-	}
-
 	req := &milvuspb.GetCollectionStatisticsRequest{
 		CollectionName: collName,
 	}
@@ -372,9 +365,6 @@ func (c *GrpcClient) ShowCollection(ctx context.Context, collName string) (*enti
 	if c.Service == nil {
 		return nil, ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return nil, err
-	}
 
 	req := &milvuspb.ShowCollectionsRequest{
 		Type:            milvuspb.ShowType_InMemory,
@@ -404,10 +394,6 @@ func (c *GrpcClient) RenameCollection(ctx context.Context, collName, newName str
 		return ErrClientNotReady
 	}
 
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-
 	req := &milvuspb.RenameCollectionRequest{
 		OldName: collName,
 		NewName: newName,
@@ -425,10 +411,6 @@ func (c *GrpcClient) LoadCollection(ctx context.Context, collName string, async
 		return ErrClientNotReady
 	}
 
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-
 	req := &milvuspb.LoadCollectionRequest{
 		CollectionName: collName,
 	}
@@ -471,9 +453,6 @@ func (c *GrpcClient) ReleaseCollection(ctx context.Context, collName string, opt
 	if c.Service == nil {
 		return ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
 
 	req := &milvuspb.ReleaseCollectionRequest{
 		DbName:         "", // reserved
@@ -537,9 +516,6 @@ func (c *GrpcClient) GetLoadingProgress(ctx context.Context, collName string, pa
 	if c.Service == nil {
 		return 0, ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return 0, err
-	}
 
 	req := &milvuspb.GetLoadingProgressRequest{
 		CollectionName: collName,
@@ -558,9 +534,6 @@ func (c *GrpcClient) GetLoadState(ctx context.Context, collName string, partitio
 	if c.Service == nil {
 		return 0, ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return 0, err
-	}
 
 	req := &milvuspb.GetLoadStateRequest{
 		CollectionName: collName,
@@ -579,9 +552,6 @@ func (c *GrpcClient) AlterCollection(ctx context.Context, collName string, attrs
 	if c.Service == nil {
 		return ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
 
 	if len(attrs) == 0 {
 		return errors.New("no collection attribute provided")
diff --git a/client/data.go b/client/data.go
index 79e5a43..725cfb3 100644
--- a/client/data.go
+++ b/client/data.go
@@ -92,7 +92,8 @@ func (c *GrpcClient) HybridSearch(ctx context.Context, collName string, partitio
 
 // Search with bool expression
 func (c *GrpcClient) Search(ctx context.Context, collName string, partitions []string,
-	expr string, outputFields []string, vectors []entity.Vector, vectorField string, metricType entity.MetricType, topK int, sp entity.SearchParam, opts ...SearchQueryOptionFunc) ([]SearchResult, error) {
+	expr string, outputFields []string, vectors []entity.Vector, vectorField string, metricType entity.MetricType, topK int, sp entity.SearchParam, opts ...SearchQueryOptionFunc,
+) ([]SearchResult, error) {
 	if c.Service == nil {
 		return []SearchResult{}, ErrClientNotReady
 	}
@@ -243,7 +244,7 @@ func expandWildcard(schema *entity.Schema, outputFields []string) ([]string, boo
 
 func PKs2Expr(backName string, ids entity.Column) string {
 	var expr string
-	var pkName = ids.Name()
+	pkName := ids.Name()
 	if ids.Name() == "" {
 		pkName = backName
 	}
@@ -354,7 +355,7 @@ func (c *GrpcClient) Query(ctx context.Context, collectionName string, partition
 
 	fieldsData := resp.GetFieldsData()
 
-	columns, err := c.parseSearchResult(sch, outputFields, fieldsData, 0, 0, -1) //entity.FieldDataColumn(fieldData, 0, -1)
+	columns, err := c.parseSearchResult(sch, outputFields, fieldsData, 0, 0, -1) // entity.FieldDataColumn(fieldData, 0, -1)
 	if err != nil {
 		return nil, err
 	}
@@ -382,7 +383,8 @@ func getVectorField(schema *entity.Schema) *entity.Field {
 
 func prepareSearchRequest(collName string, partitions []string,
 	expr string, outputFields []string, vectors []entity.Vector, vectorField string,
-	metricType entity.MetricType, topK int, sp entity.SearchParam, opt *SearchQueryOption) (*milvuspb.SearchRequest, error) {
+	metricType entity.MetricType, topK int, sp entity.SearchParam, opt *SearchQueryOption,
+) (*milvuspb.SearchRequest, error) {
 	params := sp.Params()
 	params[forTuningKey] = opt.ForTuning
 	bs, err := json.Marshal(params)
@@ -482,7 +484,8 @@ func (c *GrpcClient) GetQuerySegmentInfo(ctx context.Context, collName string) (
 }
 
 func (c *GrpcClient) CalcDistance(ctx context.Context, collName string, partitions []string,
-	metricType entity.MetricType, opLeft, opRight entity.Column) (entity.Column, error) {
+	metricType entity.MetricType, opLeft, opRight entity.Column,
+) (entity.Column, error) {
 	if c.Service == nil {
 		return nil, ErrClientNotReady
 	}
@@ -490,22 +493,6 @@ func (c *GrpcClient) CalcDistance(ctx context.Context, collName string, partitio
 		return nil, errors.New("operators cannot be nil")
 	}
 
-	// check meta
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return nil, err
-	}
-	for _, partition := range partitions {
-		if err := c.checkPartitionExists(ctx, collName, partition); err != nil {
-			return nil, err
-		}
-	}
-	if err := c.checkCollField(ctx, collName, opLeft.Name(), isVectorField); err != nil {
-		return nil, err
-	}
-	if err := c.checkCollField(ctx, collName, opRight.Name(), isVectorField); err != nil {
-		return nil, err
-	}
-
 	req := &milvuspb.CalcDistanceRequest{
 		OpLeft:  columnToVectorsArray(collName, partitions, opLeft),
 		OpRight: columnToVectorsArray(collName, partitions, opRight),
diff --git a/client/insert.go b/client/insert.go
index 205b99a..30a3c0b 100644
--- a/client/insert.go
+++ b/client/insert.go
@@ -217,9 +217,6 @@ func (c *GrpcClient) FlushV2(ctx context.Context, collName string, async bool, o
 	if c.Service == nil {
 		return nil, nil, 0, nil, ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return nil, nil, 0, nil, err
-	}
 	req := &milvuspb.FlushRequest{
 		DbName:          "", // reserved,
 		CollectionNames: []string{collName},
@@ -280,21 +277,6 @@ func (c *GrpcClient) DeleteByPks(ctx context.Context, collName string, partition
 		return ErrClientNotReady
 	}
 
-	// check collection name
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-	coll, err := c.DescribeCollection(ctx, collName)
-	if err != nil {
-		return err
-	}
-	// check partition name
-	if partitionName != "" {
-		err := c.checkPartitionExists(ctx, collName, partitionName)
-		if err != nil {
-			return err
-		}
-	}
 	// check primary keys
 	if ids.Len() == 0 {
 		return errors.New("ids len must not be zero")
@@ -303,6 +285,11 @@ func (c *GrpcClient) DeleteByPks(ctx context.Context, collName string, partition
 		return errors.New("only int64 and varchar column can be primary key for now")
 	}
 
+	coll, err := c.DescribeCollection(ctx, collName)
+	if err != nil {
+		return err
+	}
+
 	pkf := getPKField(coll.Schema)
 	// pkf shall not be nil since is returned from milvus
 	if ids.Name() != "" && pkf.Name != ids.Name() {
@@ -336,19 +323,6 @@ func (c *GrpcClient) Delete(ctx context.Context, collName string, partitionName
 		return ErrClientNotReady
 	}
 
-	// check collection name
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-
-	// check partition name
-	if partitionName != "" {
-		err := c.checkPartitionExists(ctx, collName, partitionName)
-		if err != nil {
-			return err
-		}
-	}
-
 	req := &milvuspb.DeleteRequest{
 		DbName:         "",
 		CollectionName: collName,
diff --git a/client/maintainance.go b/client/maintainance.go
index 532d871..1f9ea0e 100644
--- a/client/maintainance.go
+++ b/client/maintainance.go
@@ -30,9 +30,6 @@ func (c *GrpcClient) ManualCompaction(ctx context.Context, collName string, _ ti
 		return 0, ErrClientNotReady
 	}
 
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return 0, err
-	}
 	coll, err := c.DescribeCollection(ctx, collName)
 	if err != nil {
 		return 0, err
diff --git a/client/partition.go b/client/partition.go
index d0f95ac..30126ec 100644
--- a/client/partition.go
+++ b/client/partition.go
@@ -13,7 +13,6 @@ package client
 
 import (
 	"context"
-	"fmt"
 	"time"
 
 	"github.com/cockroachdb/errors"
@@ -28,19 +27,9 @@ func (c *GrpcClient) CreatePartition(ctx context.Context, collName string, parti
 	if c.Service == nil {
 		return ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-	has, err := c.HasPartition(ctx, collName, partitionName)
-	if err != nil {
-		return err
-	}
-	if has {
-		return fmt.Errorf("partition %s of collection %s already exists", partitionName, collName)
-	}
 
 	req := &milvuspb.CreatePartitionRequest{
-		DbName:         "", //reserved
+		DbName:         "", // reserved
 		CollectionName: collName,
 		PartitionName:  partitionName,
 	}
@@ -54,28 +43,12 @@ func (c *GrpcClient) CreatePartition(ctx context.Context, collName string, parti
 	return handleRespStatus(resp)
 }
 
-func (c *GrpcClient) checkPartitionExists(ctx context.Context, collName string, partitionName string) error {
-	has, err := c.HasPartition(ctx, collName, partitionName)
-	if err != nil {
-		return err
-	}
-	if !has {
-		return partNotExistsErr(collName, partitionName)
-	}
-	return nil
-}
-
 // DropPartition drop partition from collection
 func (c *GrpcClient) DropPartition(ctx context.Context, collName string, partitionName string, opts ...DropPartitionOption) error {
 	if c.Service == nil {
 		return ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-	if err := c.checkPartitionExists(ctx, collName, partitionName); err != nil {
-		return err
-	}
+
 	req := &milvuspb.DropPartitionRequest{
 		DbName:         "",
 		CollectionName: collName,
@@ -147,14 +120,6 @@ func (c *GrpcClient) LoadPartitions(ctx context.Context, collName string, partit
 	if c.Service == nil {
 		return ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-	for _, partitionName := range partitionNames {
-		if err := c.checkPartitionExists(ctx, collName, partitionName); err != nil {
-			return err
-		}
-	}
 
 	req := &milvuspb.LoadPartitionsRequest{
 		DbName:         "", // reserved
@@ -200,14 +165,6 @@ func (c *GrpcClient) ReleasePartitions(ctx context.Context, collName string, par
 	if c.Service == nil {
 		return ErrClientNotReady
 	}
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return err
-	}
-	for _, partitionName := range partitionNames {
-		if err := c.checkPartitionExists(ctx, collName, partitionName); err != nil {
-			return err
-		}
-	}
 	req := &milvuspb.ReleasePartitionsRequest{
 		DbName:         "", // reserved
 		CollectionName: collName,
diff --git a/client/row.go b/client/row.go
index 6e36ab8..12014f4 100644
--- a/client/row.go
+++ b/client/row.go
@@ -60,7 +60,8 @@ func (c *GrpcClient) CreateCollectionByRow(ctx context.Context, row entity.Row,
 
 // InsertByRows insert by rows
 func (c *GrpcClient) InsertByRows(ctx context.Context, collName string, partitionName string,
-	rows []entity.Row) (entity.Column, error) {
+	rows []entity.Row,
+) (entity.Column, error) {
 	anys := make([]interface{}, 0, len(rows))
 	for _, row := range rows {
 		anys = append(anys, row)
@@ -72,7 +73,8 @@ func (c *GrpcClient) InsertByRows(ctx context.Context, collName string, partitio
 // InsertRows allows insert with row based data
 // rows could be struct or map.
 func (c *GrpcClient) InsertRows(ctx context.Context, collName string, partitionName string,
-	rows []interface{}) (entity.Column, error) {
+	rows []interface{},
+) (entity.Column, error) {
 	if c.Service == nil {
 		return nil, ErrClientNotReady
 	}
@@ -80,14 +82,6 @@ func (c *GrpcClient) InsertRows(ctx context.Context, collName string, partitionN
 		return nil, errors.New("empty rows provided")
 	}
 
-	if err := c.checkCollectionExists(ctx, collName); err != nil {
-		return nil, err
-	}
-	if partitionName != "" {
-		if err := c.checkPartitionExists(ctx, collName, partitionName); err != nil {
-			return nil, err
-		}
-	}
 	coll, err := c.DescribeCollection(ctx, collName)
 	if err != nil {
 		return nil, err
@@ -97,7 +91,7 @@ func (c *GrpcClient) InsertRows(ctx context.Context, collName string, partitionN
 	if err != nil {
 		return nil, err
 	}
-	//fieldData
+	// fieldData
 	// 2. do insert request
 	req := &milvuspb.InsertRequest{
 		DbName:         "", // reserved
@@ -211,10 +205,8 @@ func SearchResultToRows(sch *entity.Schema, results *schemapb.SearchResultData,
 	return sr, nil
 }
 
-var (
-	// ErrFieldTypeNotMatch error for field type not match
-	ErrFieldTypeNotMatch = errors.New("field type not matched")
-)
+// ErrFieldTypeNotMatch error for field type not match
+var ErrFieldTypeNotMatch = errors.New("field type not matched")
 
 // SetFieldValue set row field value with reflection
 func SetFieldValue(field *entity.Field, f reflect.Value, fieldData *schemapb.FieldData, idx int) error {
@@ -329,7 +321,6 @@ func SetFieldValue(field *entity.Field, f reflect.Value, fieldData *schemapb.Fie
 		}
 		data := vectors.GetFloatVector()
 		if data == nil {
-
 			return ErrFieldTypeNotMatch
 		}
 		vector := data.Data[idx*int(vectors.Dim) : (idx+1)*int(vectors.Dim)]


Test patch:
diff --git a/client/collection_test.go b/client/collection_test.go
index 91baba0..7aaffa7 100644
--- a/client/collection_test.go
+++ b/client/collection_test.go
@@ -417,30 +417,17 @@ func (s *CollectionSuite) TestRenameCollection() {
 
 		newCollName := fmt.Sprintf("new_%s", randStr(6))
 
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 		s.mock.EXPECT().RenameCollection(mock.Anything, &milvuspb.RenameCollectionRequest{OldName: testCollectionName, NewName: newCollName}).Return(&commonpb.Status{}, nil)
 
 		err := c.RenameCollection(ctx, testCollectionName, newCollName)
 		s.NoError(err)
 	})
 
-	s.Run("coll_not_exist", func() {
-		defer s.resetMock()
-
-		newCollName := fmt.Sprintf("new_%s", randStr(6))
-
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: false}, nil)
-
-		err := c.RenameCollection(ctx, testCollectionName, newCollName)
-		s.Error(err)
-	})
-
 	s.Run("rename_failed", func() {
 		defer s.resetMock()
 
 		newCollName := fmt.Sprintf("new_%s", randStr(6))
 
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 		s.mock.EXPECT().RenameCollection(mock.Anything, &milvuspb.RenameCollectionRequest{OldName: testCollectionName, NewName: newCollName}).Return(&commonpb.Status{ErrorCode: commonpb.ErrorCode_UnexpectedError, Reason: "mocked failure"}, nil)
 
 		err := c.RenameCollection(ctx, testCollectionName, newCollName)
@@ -452,7 +439,6 @@ func (s *CollectionSuite) TestRenameCollection() {
 
 		newCollName := fmt.Sprintf("new_%s", randStr(6))
 
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 		s.mock.EXPECT().RenameCollection(mock.Anything, &milvuspb.RenameCollectionRequest{OldName: testCollectionName, NewName: newCollName}).Return(nil, errors.New("mocked error"))
 
 		err := c.RenameCollection(ctx, testCollectionName, newCollName)
@@ -468,7 +454,6 @@ func (s *CollectionSuite) TestAlterCollection() {
 	s.Run("normal_run", func() {
 		defer s.resetMock()
 
-		s.setupHasCollection(testCollectionName)
 		s.mock.EXPECT().AlterCollection(mock.Anything, mock.AnythingOfType("*milvuspb.AlterCollectionRequest")).
 			Return(&commonpb.Status{}, nil)
 
@@ -479,31 +464,15 @@ func (s *CollectionSuite) TestAlterCollection() {
 		s.NoError(err)
 	})
 
-	s.Run("collection_not_exist", func() {
-		defer s.resetMock()
-
-		s.mock.EXPECT().HasCollection(mock.Anything, mock.AnythingOfType("*milvuspb.HasCollectionRequest")).
-			Return(&milvuspb.BoolResponse{
-				Status: &commonpb.Status{},
-				Value:  false,
-			}, nil)
-
-		err := c.AlterCollection(ctx, testCollectionName, entity.CollectionTTL(100000))
-		s.Error(err)
-	})
-
 	s.Run("no_attributes", func() {
 		defer s.resetMock()
 
-		s.setupHasCollection(testCollectionName)
 		err := c.AlterCollection(ctx, testCollectionName)
 		s.Error(err)
 	})
 
 	s.Run("request_fails", func() {
 		defer s.resetMock()
-
-		s.setupHasCollection(testCollectionName)
 		s.mock.EXPECT().AlterCollection(mock.Anything, mock.AnythingOfType("*milvuspb.AlterCollectionRequest")).
 			Return(nil, errors.New("mocked"))
 
@@ -514,7 +483,6 @@ func (s *CollectionSuite) TestAlterCollection() {
 	s.Run("server_return_error", func() {
 		defer s.resetMock()
 
-		s.setupHasCollection(testCollectionName)
 		s.mock.EXPECT().AlterCollection(mock.Anything, mock.AnythingOfType("*milvuspb.AlterCollectionRequest")).
 			Return(&commonpb.Status{ErrorCode: commonpb.ErrorCode_UnexpectedError}, nil)
 
@@ -537,8 +505,6 @@ func (s *CollectionSuite) TestLoadCollection() {
 
 	s.Run("normal_run_async", func() {
 		defer s.resetMock()
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-			Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 
 		s.mock.EXPECT().LoadCollection(mock.Anything, mock.Anything).Return(&commonpb.Status{ErrorCode: commonpb.ErrorCode_Success}, nil)
 
@@ -548,8 +514,6 @@ func (s *CollectionSuite) TestLoadCollection() {
 
 	s.Run("normal_run_sync", func() {
 		defer s.resetMock()
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-			Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 
 		s.mock.EXPECT().LoadCollection(mock.Anything, mock.Anything).Return(&commonpb.Status{ErrorCode: commonpb.ErrorCode_Success}, nil)
 		s.mock.EXPECT().GetLoadingProgress(mock.Anything, mock.Anything).
@@ -564,8 +528,6 @@ func (s *CollectionSuite) TestLoadCollection() {
 
 	s.Run("load_default_replica", func() {
 		defer s.resetMock()
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-			Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 
 		s.mock.EXPECT().LoadCollection(mock.Anything, mock.Anything).Run(func(_ context.Context, req *milvuspb.LoadCollectionRequest) {
 			s.Equal(int32(0), req.GetReplicaNumber())
@@ -578,8 +540,6 @@ func (s *CollectionSuite) TestLoadCollection() {
 
 	s.Run("load_multiple_replica", func() {
 		defer s.resetMock()
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-			Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 
 		s.mock.EXPECT().LoadCollection(mock.Anything, mock.Anything).Run(func(_ context.Context, req *milvuspb.LoadCollectionRequest) {
 			s.Equal(testMultiReplicaNumber, req.GetReplicaNumber())
@@ -590,31 +550,9 @@ func (s *CollectionSuite) TestLoadCollection() {
 		s.NoError(err)
 	})
 
-	s.Run("has_collection_failure", func() {
-		s.Run("return_false", func() {
-			defer s.resetMock()
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: false}, nil)
-
-			err := c.LoadCollection(ctx, testCollectionName, true)
-			s.Error(err)
-		})
-
-		s.Run("return_error", func() {
-			defer s.resetMock()
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(nil, errors.New("mock error"))
-
-			err := c.LoadCollection(ctx, testCollectionName, true)
-			s.Error(err)
-		})
-	})
-
 	s.Run("load_collection_failure", func() {
 		s.Run("failure_status", func() {
 			defer s.resetMock()
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 
 			s.mock.EXPECT().LoadCollection(mock.Anything, mock.Anything).
 				Return(&commonpb.Status{ErrorCode: commonpb.ErrorCode_UnexpectedError}, nil)
@@ -624,9 +562,6 @@ func (s *CollectionSuite) TestLoadCollection() {
 		})
 
 		s.Run("return_error", func() {
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
-
 			s.mock.EXPECT().LoadCollection(mock.Anything, mock.Anything).
 				Return(nil, errors.New("mock error"))
 
@@ -637,8 +572,6 @@ func (s *CollectionSuite) TestLoadCollection() {
 
 	s.Run("get_loading_progress_failure", func() {
 		defer s.resetMock()
-		s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-			Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
 
 		s.mock.EXPECT().LoadCollection(mock.Anything, mock.Anything).Return(&commonpb.Status{ErrorCode: commonpb.ErrorCode_Success}, nil)
 		s.mock.EXPECT().GetLoadingProgress(mock.Anything, mock.Anything).
@@ -655,6 +588,188 @@ func (s *CollectionSuite) TestLoadCollection() {
 	})
 }
 
+func (s *CollectionSuite) TestDropCollection() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+
+	s.Run("normal_run", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().DropCollection(mock.Anything, mock.AnythingOfType("*milvuspb.DropCollectionRequest")).RunAndReturn(func(ctx context.Context, dcr *milvuspb.DropCollectionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, dcr.GetCollectionName())
+			return s.getSuccessStatus(), nil
+		}).Once()
+
+		err := c.DropCollection(ctx, collectionName)
+		s.NoError(err)
+	})
+
+	s.Run("return_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().DropCollection(mock.Anything, mock.AnythingOfType("*milvuspb.DropCollectionRequest")).RunAndReturn(func(ctx context.Context, dcr *milvuspb.DropCollectionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, dcr.GetCollectionName())
+			return nil, errors.New("mock")
+		}).Once()
+
+		err := c.DropCollection(ctx, collectionName)
+		s.Error(err)
+	})
+}
+
+func (s *CollectionSuite) TestGetCollectionStatistics() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+	stat := make(map[string]string)
+	stat["row_count"] = fmt.Sprintf("%d", rand.Int31n(10000))
+
+	s.Run("normal_case", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().GetCollectionStatistics(mock.Anything, mock.AnythingOfType("*milvuspb.GetCollectionStatisticsRequest")).RunAndReturn(func(ctx context.Context, dcr *milvuspb.GetCollectionStatisticsRequest) (*milvuspb.GetCollectionStatisticsResponse, error) {
+			s.Equal(collectionName, dcr.GetCollectionName())
+			return &milvuspb.GetCollectionStatisticsResponse{
+				Status: s.getSuccessStatus(),
+				Stats:  entity.MapKvPairs(stat),
+			}, nil
+		}).Once()
+
+		result, err := c.GetCollectionStatistics(ctx, collectionName)
+		s.NoError(err)
+		s.Len(result, len(stat))
+		for k, v := range result {
+			s.Equal(v, stat[k])
+		}
+	})
+
+	s.Run("server_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().GetCollectionStatistics(mock.Anything, mock.AnythingOfType("*milvuspb.GetCollectionStatisticsRequest")).RunAndReturn(func(ctx context.Context, dcr *milvuspb.GetCollectionStatisticsRequest) (*milvuspb.GetCollectionStatisticsResponse, error) {
+			s.Equal(collectionName, dcr.GetCollectionName())
+			return nil, errors.New("mock")
+		}).Once()
+
+		_, err := c.GetCollectionStatistics(ctx, collectionName)
+		s.Error(err)
+	})
+}
+
+func (s *CollectionSuite) TestReleaseCollection() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+
+	s.Run("normal_run", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().ReleaseCollection(mock.Anything, mock.AnythingOfType("*milvuspb.ReleaseCollectionRequest")).RunAndReturn(func(ctx context.Context, dcr *milvuspb.ReleaseCollectionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, dcr.GetCollectionName())
+			return s.getSuccessStatus(), nil
+		}).Once()
+
+		err := c.ReleaseCollection(ctx, collectionName)
+		s.NoError(err)
+	})
+
+	s.Run("return_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().ReleaseCollection(mock.Anything, mock.AnythingOfType("*milvuspb.ReleaseCollectionRequest")).RunAndReturn(func(ctx context.Context, dcr *milvuspb.ReleaseCollectionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, dcr.GetCollectionName())
+			return nil, errors.New("mock")
+		}).Once()
+
+		err := c.ReleaseCollection(ctx, collectionName)
+		s.Error(err)
+	})
+}
+
+func (s *CollectionSuite) TestGetLoadingProgress() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+	partName := fmt.Sprintf("part_%s", randStr(6))
+	loadProgress := rand.Int63n(100)
+
+	s.Run("normal_run", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().GetLoadingProgress(mock.Anything, mock.AnythingOfType("*milvuspb.GetLoadingProgressRequest")).RunAndReturn(func(ctx context.Context, glpr *milvuspb.GetLoadingProgressRequest) (*milvuspb.GetLoadingProgressResponse, error) {
+			s.Equal(collectionName, glpr.GetCollectionName())
+			return &milvuspb.GetLoadingProgressResponse{
+				Status:   s.getSuccessStatus(),
+				Progress: loadProgress,
+			}, nil
+		}).Once()
+
+		percent, err := c.GetLoadingProgress(ctx, collectionName, []string{partName})
+		s.NoError(err)
+		s.Equal(loadProgress, percent)
+	})
+
+	s.Run("return_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().GetLoadingProgress(mock.Anything, mock.AnythingOfType("*milvuspb.GetLoadingProgressRequest")).RunAndReturn(func(ctx context.Context, glpr *milvuspb.GetLoadingProgressRequest) (*milvuspb.GetLoadingProgressResponse, error) {
+			s.Equal(collectionName, glpr.GetCollectionName())
+			return nil, errors.New("mock")
+		}).Once()
+
+		_, err := c.GetLoadingProgress(ctx, collectionName, nil)
+		s.Error(err)
+	})
+}
+
+func (s *CollectionSuite) TestGetLoadState() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+	partName := fmt.Sprintf("part_%s", randStr(6))
+	loadState := commonpb.LoadState(rand.Int31n(4))
+
+	s.Run("normal_run", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().GetLoadState(mock.Anything, mock.AnythingOfType("*milvuspb.GetLoadStateRequest")).RunAndReturn(func(ctx context.Context, glsr *milvuspb.GetLoadStateRequest) (*milvuspb.GetLoadStateResponse, error) {
+			s.Equal(collectionName, glsr.GetCollectionName())
+			s.ElementsMatch([]string{partName}, glsr.GetPartitionNames())
+			return &milvuspb.GetLoadStateResponse{
+				Status: s.getSuccessStatus(),
+				State:  loadState,
+			}, nil
+		}).Once()
+
+		state, err := c.GetLoadState(ctx, collectionName, []string{partName})
+		s.NoError(err)
+		s.EqualValues(loadState, state)
+	})
+
+	s.Run("return_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().GetLoadState(mock.Anything, mock.AnythingOfType("*milvuspb.GetLoadStateRequest")).RunAndReturn(func(ctx context.Context, glsr *milvuspb.GetLoadStateRequest) (*milvuspb.GetLoadStateResponse, error) {
+			s.Equal(collectionName, glsr.GetCollectionName())
+			return nil, errors.New("mock")
+		}).Once()
+
+		_, err := c.GetLoadState(ctx, collectionName, nil)
+		s.Error(err)
+	})
+}
+
 func TestCollectionSuite(t *testing.T) {
 	suite.Run(t, new(CollectionSuite))
 }
@@ -674,48 +789,6 @@ var hasCollectionDefault = func(_ context.Context, raw proto.Message) (proto.Mes
 	return resp, err
 }
 
-func TestGrpcClientDropCollection(t *testing.T) {
-	ctx := context.Background()
-	c := testClient(ctx, t)
-
-	mockServer.SetInjection(MHasCollection, hasCollectionDefault)
-	mockServer.SetInjection(MDropCollection, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := (raw).(*milvuspb.DropCollectionRequest)
-		if !ok {
-			return BadRequestStatus()
-		}
-		if req.GetCollectionName() != testCollectionName { // in mockServer.server, assume testCollection exists only
-			return BadRequestStatus()
-		}
-		return SuccessStatus()
-	})
-
-	t.Run("Test Normal drop", func(t *testing.T) {
-		assert.Nil(t, c.DropCollection(ctx, testCollectionName, WithDropCollectionMsgBase(&commonpb.MsgBase{})))
-	})
-
-	t.Run("Test drop non-existing collection", func(t *testing.T) {
-		assert.NotNil(t, c.DropCollection(ctx, "AAAAAAAAAANonExists"))
-	})
-}
-
-func TestReleaseCollection(t *testing.T) {
-	ctx := context.Background()
-
-	c := testClient(ctx, t)
-
-	mockServer.SetInjection(MReleaseCollection, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := raw.(*milvuspb.ReleaseCollectionRequest)
-		if !ok {
-			return BadRequestStatus()
-		}
-		assert.Equal(t, testCollectionName, req.GetCollectionName())
-		return SuccessStatus()
-	})
-
-	c.ReleaseCollection(ctx, testCollectionName, WithReleaseCollectionMsgBase(&commonpb.MsgBase{}))
-}
-
 func TestGrpcClientHasCollection(t *testing.T) {
 	ctx := context.Background()
 
@@ -742,32 +815,6 @@ func TestGrpcClientHasCollection(t *testing.T) {
 	assert.True(t, has)
 }
 
-// return injection asserts collection name matchs
-// partition name request in partitionNames if flag is true
-func hasCollectionInjection(t *testing.T, mustIn bool, collNames ...string) func(context.Context, proto.Message) (proto.Message, error) {
-	return func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := raw.(*milvuspb.HasCollectionRequest)
-		resp := &milvuspb.BoolResponse{}
-		if !ok {
-			s, err := BadRequestStatus()
-			resp.Status = s
-			return resp, err
-		}
-		if mustIn {
-			resp.Value = assert.Contains(t, collNames, req.GetCollectionName())
-		} else {
-			for _, pn := range collNames {
-				if pn == req.GetCollectionName() {
-					resp.Value = true
-				}
-			}
-		}
-		s, err := SuccessStatus()
-		resp.Status = s
-		return resp, err
-	}
-}
-
 func describeCollectionInjection(t *testing.T, collID int64, collName string, sch *entity.Schema) func(_ context.Context, raw proto.Message) (proto.Message, error) {
 	return func(_ context.Context, raw proto.Message) (proto.Message, error) {
 		req, ok := raw.(*milvuspb.DescribeCollectionRequest)
@@ -807,39 +854,6 @@ func TestGrpcClientDescribeCollection(t *testing.T) {
 	}
 }
 
-func TestGrpcClientGetCollectionStatistics(t *testing.T) {
-	ctx := context.Background()
-
-	c := testClient(ctx, t)
-
-	stat := make(map[string]string)
-	stat["row_count"] = "0"
-
-	mockServer.SetInjection(MGetCollectionStatistics, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := raw.(*milvuspb.GetCollectionStatisticsRequest)
-		resp := &milvuspb.GetCollectionStatisticsResponse{}
-		if !ok {
-			s, err := BadRequestStatus()
-			resp.Status = s
-			return resp, err
-		}
-		assert.Equal(t, testCollectionName, req.GetCollectionName())
-		s, err := SuccessStatus()
-		resp.Status, resp.Stats = s, entity.MapKvPairs(stat)
-		return resp, err
-	})
-
-	rStat, err := c.GetCollectionStatistics(ctx, testCollectionName)
-	assert.Nil(t, err)
-	if assert.NotNil(t, rStat) {
-		for k, v := range stat {
-			rv, has := rStat[k]
-			assert.True(t, has)
-			assert.Equal(t, v, rv)
-		}
-	}
-}
-
 func TestGrpcClientGetReplicas(t *testing.T) {
 	ctx := context.Background()
 	c := testClient(ctx, t)
@@ -902,11 +916,6 @@ func TestGrpcClientGetReplicas(t *testing.T) {
 		assert.Equal(t, 2, len(groups[0].ShardReplicas))
 	})
 
-	t.Run("get replicas invalid name", func(t *testing.T) {
-		_, err := c.GetReplicas(ctx, "invalid name")
-		assert.Error(t, err)
-	})
-
 	t.Run("get replicas grpc error", func(t *testing.T) {
 		mockServer.SetInjection(MGetReplicas, func(ctx context.Context, raw proto.Message) (proto.Message, error) {
 			return &milvuspb.GetReplicasResponse{}, errors.New("mockServer.d grpc error")
@@ -931,59 +940,3 @@ func TestGrpcClientGetReplicas(t *testing.T) {
 
 	mockServer.DelInjection(MGetReplicas)
 }
-
-func TestGrpcClientGetLoadingProgress(t *testing.T) {
-	ctx := context.Background()
-	c := testClient(ctx, t)
-
-	mockServer.SetInjection(MHasCollection, hasCollectionDefault)
-
-	mockServer.SetInjection(MGetLoadingProgress, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := raw.(*milvuspb.GetLoadingProgressRequest)
-		if !ok {
-			return BadRequestStatus()
-		}
-		resp := &milvuspb.GetLoadingProgressResponse{}
-		if !ok {
-			s, err := BadRequestStatus()
-			resp.Status = s
-			return resp, err
-		}
-		assert.Equal(t, testCollectionName, req.GetCollectionName())
-		s, err := SuccessStatus()
-		resp.Status, resp.Progress = s, 100
-		return resp, err
-	})
-
-	progress, err := c.GetLoadingProgress(ctx, testCollectionName, []string{})
-	assert.NoError(t, err)
-	assert.Equal(t, int64(100), progress)
-}
-
-func TestGrpcClientGetLoadState(t *testing.T) {
-	ctx := context.Background()
-	c := testClient(ctx, t)
-
-	mockServer.SetInjection(MHasCollection, hasCollectionDefault)
-
-	mockServer.SetInjection(MGetLoadState, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := raw.(*milvuspb.GetLoadStateRequest)
-		if !ok {
-			return BadRequestStatus()
-		}
-		resp := &milvuspb.GetLoadStateResponse{}
-		if !ok {
-			s, err := BadRequestStatus()
-			resp.Status = s
-			return resp, err
-		}
-		assert.Equal(t, testCollectionName, req.GetCollectionName())
-		s, err := SuccessStatus()
-		resp.Status, resp.State = s, commonpb.LoadState_LoadStateLoaded
-		return resp, err
-	})
-
-	state, err := c.GetLoadState(ctx, testCollectionName, []string{})
-	assert.NoError(t, err)
-	assert.Equal(t, entity.LoadStateLoaded, state)
-}
diff --git a/client/data_test.go b/client/data_test.go
index 46631b6..bb6a0e5 100644
--- a/client/data_test.go
+++ b/client/data_test.go
@@ -100,151 +100,6 @@ func TestGrpcClientFlush(t *testing.T) {
 	})
 }
 
-func TestGrpcDeleteByPks(t *testing.T) {
-	ctx := context.Background()
-
-	c := testClient(ctx, t)
-	defer c.Close()
-
-	mockServer.SetInjection(MDescribeCollection, describeCollectionInjection(t, 1, testCollectionName, defaultSchema()))
-	defer mockServer.DelInjection(MDescribeCollection)
-
-	t.Run("normal delete by pks", func(t *testing.T) {
-		partName := "testPart"
-		mockServer.SetInjection(MHasPartition, hasPartitionInjection(t, testCollectionName, true, partName))
-		defer mockServer.DelInjection(MHasPartition)
-		mockServer.SetInjection(MDelete, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-			req, ok := raw.(*milvuspb.DeleteRequest)
-			if !ok {
-				t.FailNow()
-			}
-			assert.Equal(t, testCollectionName, req.GetCollectionName())
-			assert.Equal(t, partName, req.GetPartitionName())
-
-			resp := &milvuspb.MutationResult{}
-			s, err := SuccessStatus()
-			resp.Status = s
-			return resp, err
-		})
-		defer mockServer.DelInjection(MDelete)
-
-		err := c.DeleteByPks(ctx, testCollectionName, partName, entity.NewColumnInt64(testPrimaryField, []int64{1, 2, 3}))
-		assert.NoError(t, err)
-	})
-
-	t.Run("Bad request deletes", func(t *testing.T) {
-		partName := "testPart"
-		mockServer.SetInjection(MHasPartition, hasPartitionInjection(t, testCollectionName, false, partName))
-		defer mockServer.DelInjection(MHasPartition)
-
-		// non-exist collection
-		err := c.DeleteByPks(ctx, "non-exists-collection", "", entity.NewColumnInt64("pk", []int64{}))
-		assert.Error(t, err)
-
-		// non-exist parition
-		err = c.DeleteByPks(ctx, testCollectionName, "non-exists-part", entity.NewColumnInt64("pk", []int64{}))
-		assert.Error(t, err)
-
-		// zero length pk
-		err = c.DeleteByPks(ctx, testCollectionName, "", entity.NewColumnInt64(testPrimaryField, []int64{}))
-		assert.Error(t, err)
-
-		// string pk field
-		err = c.DeleteByPks(ctx, testCollectionName, "", entity.NewColumnString(testPrimaryField, []string{"1"}))
-		assert.Error(t, err)
-
-		// pk name not match
-		err = c.DeleteByPks(ctx, testCollectionName, "", entity.NewColumnInt64("not_pk", []int64{1}))
-		assert.Error(t, err)
-	})
-
-	t.Run("delete services fail", func(t *testing.T) {
-		mockServer.SetInjection(MDelete, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-			resp := &milvuspb.MutationResult{}
-			return resp, errors.New("mockServer.d error")
-		})
-
-		err := c.DeleteByPks(ctx, testCollectionName, "", entity.NewColumnInt64(testPrimaryField, []int64{1}))
-		assert.Error(t, err)
-
-		mockServer.SetInjection(MDelete, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-			resp := &milvuspb.MutationResult{}
-			resp.Status = &commonpb.Status{
-				ErrorCode: commonpb.ErrorCode_UnexpectedError,
-			}
-			return resp, nil
-		})
-		err = c.DeleteByPks(ctx, testCollectionName, "", entity.NewColumnInt64(testPrimaryField, []int64{1}))
-		assert.Error(t, err)
-	})
-}
-
-func TestGrpcDelete(t *testing.T) {
-	ctx := context.Background()
-
-	c := testClient(ctx, t)
-	defer c.Close()
-
-	mockServer.SetInjection(MDescribeCollection, describeCollectionInjection(t, 1, testCollectionName, defaultSchema()))
-	defer mockServer.DelInjection(MDescribeCollection)
-
-	t.Run("normal delete by pks", func(t *testing.T) {
-		partName := "testPart"
-		mockServer.SetInjection(MHasPartition, hasPartitionInjection(t, testCollectionName, true, partName))
-		defer mockServer.DelInjection(MHasPartition)
-		mockServer.SetInjection(MDelete, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-			req, ok := raw.(*milvuspb.DeleteRequest)
-			if !ok {
-				t.FailNow()
-			}
-			assert.Equal(t, testCollectionName, req.GetCollectionName())
-			assert.Equal(t, partName, req.GetPartitionName())
-
-			resp := &milvuspb.MutationResult{}
-			s, err := SuccessStatus()
-			resp.Status = s
-			return resp, err
-		})
-		defer mockServer.DelInjection(MDelete)
-
-		err := c.Delete(ctx, testCollectionName, partName, "")
-		assert.NoError(t, err)
-	})
-
-	t.Run("Bad request deletes", func(t *testing.T) {
-		partName := "testPart"
-		mockServer.SetInjection(MHasPartition, hasPartitionInjection(t, testCollectionName, false, partName))
-		defer mockServer.DelInjection(MHasPartition)
-
-		// non-exist collection
-		err := c.Delete(ctx, "non-exists-collection", "", "")
-		assert.Error(t, err)
-
-		// non-exist parition
-		err = c.Delete(ctx, testCollectionName, "non-exists-part", "")
-		assert.Error(t, err)
-	})
-	t.Run("delete services fail", func(t *testing.T) {
-		mockServer.SetInjection(MDelete, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-			resp := &milvuspb.MutationResult{}
-			return resp, errors.New("mockServer.d error")
-		})
-
-		err := c.Delete(ctx, testCollectionName, "", "")
-		assert.Error(t, err)
-
-		mockServer.SetInjection(MDelete, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-			resp := &milvuspb.MutationResult{}
-			resp.Status = &commonpb.Status{
-				ErrorCode: commonpb.ErrorCode_UnexpectedError,
-			}
-			return resp, nil
-		})
-		err = c.Delete(ctx, testCollectionName, "", "")
-		assert.Error(t, err)
-	})
-}
-
 type SearchSuite struct {
 	MockSuiteBase
 	sch        *entity.Schema
@@ -634,7 +489,7 @@ func (s *QuerySuite) TestQueryFail() {
 				FieldsData: []*schemapb.FieldData{
 					{
 						FieldName: "ID",
-						Type:      schemapb.DataType_String, //wrong data type here
+						Type:      schemapb.DataType_String, // wrong data type here
 						Field: &schemapb.FieldData_Scalars{
 							Scalars: &schemapb.ScalarField{
 								Data: &schemapb.ScalarField_LongData{
@@ -794,7 +649,6 @@ func TestGrpcCalcDistanceWithIDs(t *testing.T) {
 			entity.NewColumnInt64("non-exists", []int64{1}), entity.NewColumnInt64("int64", []int64{1}))
 		assert.Nil(t, r)
 		assert.NotNil(t, err)
-
 	})
 
 	t.Run("valid calls", func(t *testing.T) {
@@ -992,7 +846,6 @@ func TestIsCollectionPrimaryKey(t *testing.T) {
 		assert.True(t, isCollectionPrimaryKey(&entity.Collection{
 			Schema: defaultSchema(),
 		}, entity.NewColumnInt64("int64", []int64{})))
-
 	})
 }
 
diff --git a/client/insert_test.go b/client/insert_test.go
index 693c7b0..853a72f 100644
--- a/client/insert_test.go
+++ b/client/insert_test.go
@@ -13,6 +13,8 @@ package client
 
 import (
 	"context"
+	"fmt"
+	"math/rand"
 	"testing"
 
 	"github.com/cockroachdb/errors"
@@ -566,3 +568,120 @@ func TestWrite(t *testing.T) {
 	suite.Run(t, new(InsertSuite))
 	suite.Run(t, new(UpsertSuite))
 }
+
+type DeleteSuite struct {
+	MockSuiteBase
+}
+
+func (s *DeleteSuite) TestDeleteByPks() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+	partitionName := fmt.Sprintf("part_%s", randStr(6))
+
+	s.Run("normal_case", func() {
+		defer s.resetMock()
+
+		s.setupDescribeCollection(collectionName, entity.NewSchema().
+			WithField(entity.NewField().WithIsPrimaryKey(true).WithIsAutoID(true).WithName("ID").WithDataType(entity.FieldTypeInt64)).
+			WithField(entity.NewField().WithName("vector").WithDataType(entity.FieldTypeFloatVector).WithTypeParams(entity.TypeParamDim, "128")),
+		)
+		s.mock.EXPECT().Delete(mock.Anything, mock.AnythingOfType("*milvuspb.DeleteRequest")).RunAndReturn(func(ctx context.Context, dr *milvuspb.DeleteRequest) (*milvuspb.MutationResult, error) {
+			s.Equal(collectionName, dr.GetCollectionName())
+			s.Equal(partitionName, dr.GetPartitionName())
+			return &milvuspb.MutationResult{
+				Status: s.getSuccessStatus(),
+			}, nil
+		}).Once()
+		err := c.DeleteByPks(ctx, collectionName, partitionName, entity.NewColumnInt64("ID", []int64{1, 2, 3}))
+		s.NoError(err)
+	})
+
+	s.Run("bad_requests", func() {
+		defer s.resetMock()
+
+		s.setupDescribeCollection(collectionName, entity.NewSchema().
+			WithField(entity.NewField().WithIsPrimaryKey(true).WithIsAutoID(true).WithName("ID").WithDataType(entity.FieldTypeInt64)).
+			WithField(entity.NewField().WithName("vector").WithDataType(entity.FieldTypeFloatVector).WithTypeParams(entity.TypeParamDim, "128")),
+		)
+
+		s.Run("zero_length_pks", func() {
+			err := c.DeleteByPks(ctx, collectionName, "", entity.NewColumnInt64("ID", []int64{}))
+			s.Error(err)
+		})
+
+		s.Run("pk_type_not_valid", func() {
+			err := c.DeleteByPks(ctx, collectionName, "", entity.NewColumnBool("ID", []bool{true, false}))
+			s.Error(err)
+		})
+
+		s.Run("pk_name_not_match", func() {
+			err := c.DeleteByPks(ctx, collectionName, "", entity.NewColumnInt64("pk_", []int64{100, 200}))
+			s.Error(err)
+		})
+	})
+
+	s.Run("server_error", func() {
+		defer s.resetMock()
+
+		s.setupDescribeCollection(collectionName, entity.NewSchema().
+			WithField(entity.NewField().WithIsPrimaryKey(true).WithIsAutoID(true).WithName("ID").WithDataType(entity.FieldTypeInt64)).
+			WithField(entity.NewField().WithName("vector").WithDataType(entity.FieldTypeFloatVector).WithTypeParams(entity.TypeParamDim, "128")),
+		)
+		s.mock.EXPECT().Delete(mock.Anything, mock.AnythingOfType("")).RunAndReturn(func(ctx context.Context, dr *milvuspb.DeleteRequest) (*milvuspb.MutationResult, error) {
+			s.Equal(collectionName, dr.GetCollectionName())
+			s.Equal(partitionName, dr.GetPartitionName())
+			return nil, errors.New("mocked")
+		}).Once()
+		err := c.DeleteByPks(ctx, collectionName, partitionName, entity.NewColumnInt64("ID", []int64{1, 2, 3}))
+		s.Error(err)
+	})
+}
+
+func (s *DeleteSuite) TestDelete() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+	partitionName := fmt.Sprintf("part_%s", randStr(6))
+
+	s.Run("normal_case", func() {
+		defer s.resetMock()
+		expr := fmt.Sprintf("tag in [%d, %d, %d]", rand.Int31n(10), rand.Int31n(20), rand.Int31n(30))
+
+		s.mock.EXPECT().Delete(mock.Anything, mock.Anything).RunAndReturn(func(ctx context.Context, dr *milvuspb.DeleteRequest) (*milvuspb.MutationResult, error) {
+			s.Equal(collectionName, dr.GetCollectionName())
+			s.Equal(partitionName, dr.GetPartitionName())
+			s.Equal(expr, dr.GetExpr())
+			return &milvuspb.MutationResult{
+				Status: s.getSuccessStatus(),
+			}, nil
+		}).Once()
+
+		err := c.Delete(ctx, collectionName, partitionName, expr)
+		s.NoError(err)
+	})
+
+	s.Run("server_error", func() {
+		expr := "tag > 50"
+		defer s.resetMock()
+		s.mock.EXPECT().Delete(mock.Anything, mock.Anything).RunAndReturn(func(ctx context.Context, dr *milvuspb.DeleteRequest) (*milvuspb.MutationResult, error) {
+			s.Equal(collectionName, dr.GetCollectionName())
+			s.Equal(partitionName, dr.GetPartitionName())
+			s.Equal(expr, dr.GetExpr())
+			return &milvuspb.MutationResult{
+				Status: s.getStatus(commonpb.ErrorCode_UnexpectedError, "mocked"),
+			}, nil
+		}).Once()
+
+		err := c.Delete(ctx, collectionName, partitionName, expr)
+		s.Error(err)
+	})
+}
+
+func TestDelete(t *testing.T) {
+	suite.Run(t, new(DeleteSuite))
+}
diff --git a/client/partition_test.go b/client/partition_test.go
index 588eb42..9e217d9 100644
--- a/client/partition_test.go
+++ b/client/partition_test.go
@@ -44,42 +44,6 @@ func hasPartitionInjection(t *testing.T, collName string, mustIn bool, partition
 	}
 }
 
-func TestGrpcClientCreatePartition(t *testing.T) {
-
-	ctx := context.Background()
-	c := testClient(ctx, t)
-
-	partitionName := fmt.Sprintf("_part_%d", rand.Int())
-
-	mockServer.SetInjection(MHasCollection, hasCollectionDefault)
-	mockServer.SetInjection(MHasPartition, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := raw.(*milvuspb.HasPartitionRequest)
-		resp := &milvuspb.BoolResponse{}
-		if !ok {
-			s, err := BadRequestStatus()
-			resp.Status = s
-			return resp, err
-		}
-		assert.Equal(t, testCollectionName, req.GetCollectionName())
-		assert.Equal(t, partitionName, req.GetPartitionName())
-		resp.Value = false
-		s, err := SuccessStatus()
-		resp.Status = s
-		return resp, err
-	})
-
-	assert.Nil(t, c.CreatePartition(ctx, testCollectionName, partitionName, WithCreatePartitionMsgBase(&commonpb.MsgBase{})))
-}
-
-func TestGrpcClientDropPartition(t *testing.T) {
-	partitionName := fmt.Sprintf("_part_%d", rand.Int())
-	ctx := context.Background()
-	c := testClient(ctx, t)
-	mockServer.SetInjection(MHasCollection, hasCollectionDefault)
-	mockServer.SetInjection(MHasPartition, hasPartitionInjection(t, testCollectionName, true, partitionName)) // injection has assertion of collName & parition name
-	assert.Nil(t, c.DropPartition(ctx, testCollectionName, partitionName, WithDropPartitionMsgBase(&commonpb.MsgBase{})))
-}
-
 func TestGrpcClientHasPartition(t *testing.T) {
 	partitionName := fmt.Sprintf("_part_%d", rand.Int())
 	ctx := context.Background()
@@ -121,7 +85,6 @@ func getPartitionsInterception(t *testing.T, collName string, partitions ...*ent
 }
 
 func TestGrpcClientShowPartitions(t *testing.T) {
-
 	ctx := context.Background()
 	c := testClient(ctx, t)
 
@@ -168,29 +131,6 @@ func TestGrpcClientShowPartitions(t *testing.T) {
 	}
 }
 
-func TestGrpcClientReleasePartitions(t *testing.T) {
-	ctx := context.Background()
-
-	c := testClient(ctx, t)
-
-	parts := []string{"_part1", "_part2"}
-	mockServer.SetInjection(MHasCollection, hasCollectionDefault)
-	mockServer.SetInjection(MHasPartition, hasPartitionInjection(t, testCollectionName, true, "_part1", "_part2", "_part3", "_part4"))
-	mockServer.SetInjection(MReleasePartitions, func(_ context.Context, raw proto.Message) (proto.Message, error) {
-		req, ok := raw.(*milvuspb.ReleasePartitionsRequest)
-		if !ok {
-			return BadRequestStatus()
-		}
-		assert.Equal(t, testCollectionName, req.GetCollectionName())
-		assert.ElementsMatch(t, parts, req.GetPartitionNames())
-
-		return SuccessStatus()
-	})
-	defer mockServer.SetInjection(MHasPartition, hasPartitionInjection(t, testCollectionName, false, "testPart"))
-
-	assert.Nil(t, c.ReleasePartitions(ctx, testCollectionName, parts, WithReleasePartitionsMsgBase(&commonpb.MsgBase{})))
-}
-
 func TestGrpcShowPartitions(t *testing.T) {
 	ctx := context.Background()
 	c := testClient(ctx, t)
@@ -255,6 +195,89 @@ type PartitionSuite struct {
 	MockSuiteBase
 }
 
+func (s *PartitionSuite) TestCreatePartition() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+	partitionName := fmt.Sprintf("part_%s", randStr(6))
+
+	s.Run("normal_case", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().CreatePartition(mock.Anything, mock.AnythingOfType("*milvuspb.CreatePartitionRequest")).RunAndReturn(func(ctx context.Context, cpr *milvuspb.CreatePartitionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, cpr.GetCollectionName())
+			s.Equal(partitionName, cpr.GetPartitionName())
+			return s.getSuccessStatus(), nil
+		}).Once()
+
+		err := c.CreatePartition(ctx, collectionName, partitionName)
+		s.NoError(err)
+	})
+
+	s.Run("server_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().CreatePartition(mock.Anything, mock.AnythingOfType("*milvuspb.CreatePartitionRequest")).RunAndReturn(func(ctx context.Context, cpr *milvuspb.CreatePartitionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, cpr.GetCollectionName())
+			s.Equal(partitionName, cpr.GetPartitionName())
+			return nil, errors.New("mocked")
+		}).Once()
+
+		err := c.CreatePartition(ctx, collectionName, partitionName)
+		s.Error(err)
+	})
+}
+
+func (s *PartitionSuite) TestDropPartition() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%s", randStr(6))
+	partitionName := fmt.Sprintf("part_%s", randStr(6))
+
+	s.Run("normal_case", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().DropPartition(mock.Anything, mock.AnythingOfType("*milvuspb.DropPartitionRequest")).RunAndReturn(func(ctx context.Context, dpr *milvuspb.DropPartitionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, dpr.GetCollectionName())
+			s.Equal(partitionName, dpr.GetPartitionName())
+			return s.getSuccessStatus(), nil
+		}).Once()
+
+		err := c.DropPartition(ctx, collectionName, partitionName)
+		s.NoError(err)
+	})
+
+	s.Run("server_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().DropPartition(mock.Anything, mock.AnythingOfType("*milvuspb.DropPartitionRequest")).RunAndReturn(func(ctx context.Context, dpr *milvuspb.DropPartitionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, dpr.GetCollectionName())
+			s.Equal(partitionName, dpr.GetPartitionName())
+			return nil, errors.New("mocked")
+		}).Once()
+
+		err := c.DropPartition(ctx, collectionName, partitionName)
+		s.Error(err)
+	})
+
+	s.Run("server_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().DropPartition(mock.Anything, mock.AnythingOfType("*milvuspb.DropPartitionRequest")).RunAndReturn(func(ctx context.Context, dpr *milvuspb.DropPartitionRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, dpr.GetCollectionName())
+			s.Equal(partitionName, dpr.GetPartitionName())
+			return s.getStatus(commonpb.ErrorCode_UnexpectedError, ""), nil
+		}).Once()
+
+		err := c.DropPartition(ctx, collectionName, partitionName)
+		s.Error(err)
+	})
+}
+
 func (s *PartitionSuite) TestLoadPartitions() {
 	c := s.client
 	ctx, cancel := context.WithCancel(context.Background())
@@ -301,50 +324,6 @@ func (s *PartitionSuite) TestLoadPartitions() {
 		s.NoError(err)
 	})
 
-	s.Run("has_collection_failure", func() {
-		s.Run("return_false", func() {
-			defer s.resetMock()
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: false}, nil)
-
-			err := c.LoadPartitions(ctx, testCollectionName, partNames, false)
-			s.Error(err)
-		})
-
-		s.Run("return_error", func() {
-			defer s.resetMock()
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(nil, errors.New("mock error"))
-
-			err := c.LoadPartitions(ctx, testCollectionName, partNames, false)
-			s.Error(err)
-		})
-	})
-
-	s.Run("has_partition_failure", func() {
-		s.Run("return_false", func() {
-			defer s.resetMock()
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
-			s.mock.EXPECT().HasPartition(mock.Anything, mock.Anything).
-				Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: false}, nil)
-
-			err := c.LoadPartitions(ctx, testCollectionName, partNames, false)
-			s.Error(err)
-		})
-
-		s.Run("return_error", func() {
-			defer s.resetMock()
-			s.mock.EXPECT().HasCollection(mock.Anything, &milvuspb.HasCollectionRequest{CollectionName: testCollectionName}).
-				Return(&milvuspb.BoolResponse{Status: &commonpb.Status{}, Value: true}, nil)
-			s.mock.EXPECT().HasPartition(mock.Anything, mock.Anything).
-				Return(nil, errors.New("mock"))
-
-			err := c.LoadPartitions(ctx, testCollectionName, partNames, false)
-			s.Error(err)
-		})
-	})
-
 	s.Run("load_partitions_failure", func() {
 		s.Run("fail_status_code", func() {
 			defer s.resetMock()
@@ -410,6 +389,41 @@ func (s *PartitionSuite) TestLoadPartitions() {
 	})
 }
 
+func (s *PartitionSuite) TestReleasePartitions() {
+	c := s.client
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	collectionName := fmt.Sprintf("coll_%d", rand.Int31n(100))
+	partNames := []string{"part_1", "part_2"}
+
+	s.Run("normal_case", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().ReleasePartitions(mock.Anything, mock.AnythingOfType("")).RunAndReturn(func(ctx context.Context, rpr *milvuspb.ReleasePartitionsRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, rpr.GetCollectionName())
+			s.Equal(partNames, rpr.GetPartitionNames())
+			return s.getSuccessStatus(), nil
+		}).Once()
+
+		err := c.ReleasePartitions(ctx, collectionName, partNames)
+		s.NoError(err)
+	})
+
+	s.Run("server_error", func() {
+		defer s.resetMock()
+
+		s.mock.EXPECT().ReleasePartitions(mock.Anything, mock.AnythingOfType("")).RunAndReturn(func(ctx context.Context, rpr *milvuspb.ReleasePartitionsRequest) (*commonpb.Status, error) {
+			s.Equal(collectionName, rpr.GetCollectionName())
+			s.Equal(partNames, rpr.GetPartitionNames())
+			return nil, errors.New("mocked")
+		}).Once()
+
+		err := c.ReleasePartitions(ctx, collectionName, partNames)
+		s.Error(err)
+	})
+}
+
 func TestPartitionSuite(t *testing.T) {
 	suite.Run(t, new(PartitionSuite))
 }
diff --git a/client/row_test.go b/client/row_test.go
index e69479d..ad16018 100644
--- a/client/row_test.go
+++ b/client/row_test.go
@@ -53,7 +53,7 @@ func TestCreateCollectionByRow(t *testing.T) {
 	})
 
 	t.Run("Invalid cases", func(t *testing.T) {
-		//Duplicated
+		// Duplicated
 		m := make(map[string]struct{})
 		mockServer.SetInjection(MCreateCollection, func(_ context.Context, raw proto.Message) (proto.Message, error) {
 			req, ok := raw.(*milvuspb.CreateCollectionRequest)
@@ -106,51 +106,6 @@ func (s *InsertByRowsSuite) TestFails() {
 		s.Error(err)
 	})
 
-	s.Run("fail_collection_not_found", func() {
-		defer s.resetMock()
-		s.setupHasCollection()
-		_, err := c.InsertByRows(ctx, testCollectionName, partName, []entity.Row{entity.RowBase{}})
-		s.Error(err)
-	})
-
-	s.Run("fail_hascollection_errcode", func() {
-		defer s.resetMock()
-		s.setupHasCollectionError(commonpb.ErrorCode_UnexpectedError, nil)
-		_, err := c.InsertByRows(ctx, testCollectionName, partName, []entity.Row{entity.RowBase{}})
-		s.Error(err)
-	})
-
-	s.Run("fail_hascollection_error", func() {
-		defer s.resetMock()
-		s.setupHasCollectionError(commonpb.ErrorCode_Success, errors.New("mock error"))
-		_, err := c.InsertByRows(ctx, testCollectionName, partName, []entity.Row{entity.RowBase{}})
-		s.Error(err)
-	})
-
-	s.Run("fail_partition_not_found", func() {
-		defer s.resetMock()
-		s.setupHasCollection(testCollectionName)
-		s.setupHasPartition(testCollectionName)
-		_, err := c.InsertByRows(ctx, testCollectionName, partName, []entity.Row{entity.RowBase{}})
-		s.Error(err)
-	})
-
-	s.Run("fail_haspartition_error", func() {
-		defer s.resetMock()
-		s.setupHasCollection(testCollectionName)
-		s.setupHasPartitionError(commonpb.ErrorCode_Success, errors.New("mock error"))
-		_, err := c.InsertByRows(ctx, testCollectionName, partName, []entity.Row{entity.RowBase{}})
-		s.Error(err)
-	})
-
-	s.Run("fail_haspartition_errcode", func() {
-		defer s.resetMock()
-		s.setupHasCollection(testCollectionName)
-		s.setupHasPartitionError(commonpb.ErrorCode_UnexpectedError, nil)
-		_, err := c.InsertByRows(ctx, testCollectionName, partName, []entity.Row{entity.RowBase{}})
-		s.Error(err)
-	})
-
 	s.Run("fail_describecollection_error", func() {
 		defer s.resetMock()
 		s.setupHasCollection(testCollectionName)
@@ -250,8 +205,6 @@ func (s *InsertByRowsSuite) TestSuccess() {
 
 	s.Run("non_dynamic", func() {
 		defer s.resetMock()
-		s.setupHasCollection(testCollectionName)
-		s.setupHasPartition(testCollectionName, partName)
 		s.setupDescribeCollection(testCollectionName, entity.NewSchema().WithName(testCollectionName).
 			WithField(entity.NewField().WithName("ID").WithDataType(entity.FieldTypeInt64).WithIsPrimaryKey(true)).
 			WithField(entity.NewField().WithName("Vector").WithDataType(entity.FieldTypeFloatVector).WithTypeParams(entity.TypeParamDim, "128")),
@@ -280,8 +233,6 @@ func (s *InsertByRowsSuite) TestSuccess() {
 
 	s.Run("dynamic", func() {
 		defer s.resetMock()
-		s.setupHasCollection(testCollectionName)
-		s.setupHasPartition(testCollectionName, partName)
 		s.setupDescribeCollection(testCollectionName, entity.NewSchema().
 			WithName(testCollectionName).WithDynamicFieldEnabled(true).
 			WithField(entity.NewField().WithName("ID").WithDataType(entity.FieldTypeInt64).WithIsPrimaryKey(true)).
@@ -494,7 +445,7 @@ func TestSetFieldValue(t *testing.T) {
 		f64 := reflect.ValueOf(item).Elem().FieldByName("Double")
 		str := reflect.ValueOf(item).Elem().FieldByName("String")
 		vf := reflect.ValueOf(item).Elem().FieldByName("Arr")
-		//vb := reflect.ValueOf(item).Elem().FieldByName("ArrBin")
+		// vb := reflect.ValueOf(item).Elem().FieldByName("ArrBin")
 
 		err = SetFieldValue(&entity.Field{
 			DataType: entity.FieldTypeNone,
@@ -587,6 +538,7 @@ func TestSetFieldValue(t *testing.T) {
 func emptyFieldData() *schemapb.FieldData {
 	return &schemapb.FieldData{}
 }
+
 func emptyScalarFieldData() *schemapb.FieldData {
 	return &schemapb.FieldData{
 		Field: &schemapb.FieldData_Scalars{
diff --git a/test/testcases/collection_test.go b/test/testcases/collection_test.go
index 7111055..4311f56 100644
--- a/test/testcases/collection_test.go
+++ b/test/testcases/collection_test.go
@@ -159,12 +159,16 @@ func TestCreateCollectionInvalidFields(t *testing.T) {
 	}
 	invalidFields := []invalidFieldsStruct{
 		// create collection without pk field
-		{fields: []*entity.Field{common.GenField(common.DefaultFloatVecFieldName, entity.FieldTypeFloatVector, common.WithDim(common.DefaultDim))},
-			errMsg: "primary key is not specified"},
+		{
+			fields: []*entity.Field{common.GenField(common.DefaultFloatVecFieldName, entity.FieldTypeFloatVector, common.WithDim(common.DefaultDim))},
+			errMsg: "primary key is not specified",
+		},
 
 		// create collection without vector field
-		{fields: []*entity.Field{common.GenField(common.DefaultIntFieldName, entity.FieldTypeInt64, common.WithIsPrimaryKey(true))},
-			errMsg: "vector field not set"},
+		{
+			fields: []*entity.Field{common.GenField(common.DefaultIntFieldName, entity.FieldTypeInt64, common.WithIsPrimaryKey(true))},
+			errMsg: "vector field not set",
+		},
 
 		// create collection with multi pk fields
 		{fields: []*entity.Field{
@@ -354,7 +358,7 @@ func TestCreateCollectionDescription(t *testing.T) {
 	pkField := common.GenField(common.DefaultIntFieldName, entity.FieldTypeInt64, common.WithIsPrimaryKey(true),
 		common.WithFieldDescription("pk field"))
 	vecField := common.GenField("", entity.FieldTypeFloatVector, common.WithDim(common.DefaultDim))
-	var fields = []*entity.Field{
+	fields := []*entity.Field{
 		pkField, vecField,
 	}
 	schema := &entity.Schema{
@@ -491,8 +495,10 @@ func TestCreateCollectionDynamicSchema(t *testing.T) {
 	common.CheckContainsCollection(t, collections, collName)
 
 	// insert data
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVec,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVec,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, err = insertData(ctx, t, mc, dp)
 	common.CheckErr(t, err, true)
 }
@@ -519,8 +525,10 @@ func TestCreateCollectionDynamic(t *testing.T) {
 	common.CheckContainsCollection(t, collections, collName)
 
 	// insert data
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVec,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVec,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, err = insertData(ctx, t, mc, dp)
 	common.CheckErr(t, err, true)
 }
@@ -693,5 +701,5 @@ func TestGetStaticsCollectionNotExisted(t *testing.T) {
 
 	// flush and check row count
 	_, errStatist := mc.GetCollectionStatistics(ctx, "collName")
-	common.CheckErr(t, errStatist, false, "collection collName does not exist")
+	common.CheckErr(t, errStatist, false, "collection not found")
 }
diff --git a/test/testcases/compact_test.go b/test/testcases/compact_test.go
index 94188a2..6ee7b0e 100644
--- a/test/testcases/compact_test.go
+++ b/test/testcases/compact_test.go
@@ -18,14 +18,18 @@ func TestCompact(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with 1 shard
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: 1, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: 1, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
 	for i := 0; i < 4; i++ {
-		dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
-			start: i * common.DefaultNb, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+		dp := DataParams{
+			CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
+			start: i * common.DefaultNb, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+		}
 		_, _ = insertData(ctx, t, mc, dp)
 		mc.Flush(ctx, collName, false)
 	}
@@ -87,7 +91,7 @@ func TestCompactCollectionNotExist(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	_, err := mc.Compact(ctx, "coll", 0)
-	common.CheckErr(t, err, false, "collection coll does not exist")
+	common.CheckErr(t, err, false, "can't find collection")
 }
 
 // test compact empty collection
diff --git a/test/testcases/delete_test.go b/test/testcases/delete_test.go
index 0ae6b24..7a06965 100644
--- a/test/testcases/delete_test.go
+++ b/test/testcases/delete_test.go
@@ -86,7 +86,7 @@ func TestDeleteNotExistCollection(t *testing.T) {
 	// flush and check row count
 	deleteIds := entity.NewColumnInt64(common.DefaultIntFieldName, []int64{0, 1})
 	errDelete := mc.DeleteByPks(ctx, "collName", common.DefaultPartition, deleteIds)
-	common.CheckErr(t, errDelete, false, "collection collName does not exist")
+	common.CheckErr(t, errDelete, false, "can't find collection")
 }
 
 // test delete from an not exist partition
@@ -105,7 +105,7 @@ func TestDeleteNotExistPartition(t *testing.T) {
 	// delete
 	deleteIds := ids.Slice(0, 10)
 	errDelete := mc.DeleteByPks(ctx, collName, "p1", deleteIds)
-	common.CheckErr(t, errDelete, false, fmt.Sprintf("partition p1 of collection %s does not exist", collName))
+	common.CheckErr(t, errDelete, false, "partition not found")
 }
 
 // test delete empty partition names
@@ -411,13 +411,17 @@ func TestDeleteComplexExprWithoutLoading(t *testing.T) {
 	// connect
 	mc := createMilvusClient(ctx, t)
 
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVecJSON, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVecJSON, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp, client.WithConsistencyLevel(entity.ClStrong))
 
 	// prepare and insert data
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecJSON,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecJSON,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 	mc.Flush(ctx, collName, false)
 
diff --git a/test/testcases/flush_test.go b/test/testcases/flush_test.go
index 2aa3793..15ae25f 100644
--- a/test/testcases/flush_test.go
+++ b/test/testcases/flush_test.go
@@ -57,7 +57,7 @@ func TestFlushNotExistedCollection(t *testing.T) {
 
 	// flush and check row count
 	errFlush := mc.Flush(ctx, "collName", false)
-	common.CheckErr(t, errFlush, false, "collection collName does not exist")
+	common.CheckErr(t, errFlush, false, "collection not found")
 }
 
 // test flush async
diff --git a/test/testcases/index_test.go b/test/testcases/index_test.go
index d23911f..7d2f007 100644
--- a/test/testcases/index_test.go
+++ b/test/testcases/index_test.go
@@ -60,13 +60,17 @@ func TestCreateIndexMultiVectors(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection
-	cp := CollectionParams{CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: true, ShardsNum: 1,
-		Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: true, ShardsNum: 1,
+		Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllVectors, start: 0,
-		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllVectors, start: 0,
+		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 	_ = mc.Flush(ctx, collName, false)
 
@@ -106,11 +110,15 @@ func TestDescribeIndexMultiVectors(t *testing.T) {
 	// connect
 	mc := createMilvusClient(ctx, t)
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb * 2,
-		dim: common.DefaultDim, EnableDynamicField: true}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb * 2,
+		dim: common.DefaultDim, EnableDynamicField: true,
+	}
 
 	// create index for all vector fields
 	ips := GenDefaultIndexParamsForAllVectors()
@@ -154,17 +162,21 @@ func TestCreateIndexDup(t *testing.T) {
 // test create scalar index on all scalar field
 func TestCreateScalarIndex(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 	mc.Flush(ctx, collName, false)
 
@@ -213,17 +225,21 @@ func TestCreateScalarIndex(t *testing.T) {
 // test create scalar index on loaded collection
 func TestCreateIndexOnLoadedCollection(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 	mc.Flush(ctx, collName, false)
 
@@ -276,11 +292,15 @@ func TestCreateTrieScalarIndexUnsupportedDataType(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 
 	// index params
 	ips := []IndexParams{{BuildIndex: false}}
@@ -316,11 +336,15 @@ func TestCreateSortScalarIndexUnsupportedDataType(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 
 	// index params
 	ips := []IndexParams{{BuildIndex: false}}
@@ -357,11 +381,15 @@ func TestCreateInvertedScalarIndex(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 
 	// index params
 	ips := GenDefaultIndexParamsForAllVectors()
@@ -404,11 +432,15 @@ func TestCreateBitmapScalarIndex(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 
 	// build vector's indexes
 	ips := GenDefaultIndexParamsForAllVectors()
@@ -463,11 +495,15 @@ func TestCreateScalarIndexVectorField(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllVectors, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllVectors, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 
 	// no index
 	ips := []IndexParams{{BuildIndex: false}}
@@ -494,7 +530,7 @@ func TestCreateScalarIndexVectorField(t *testing.T) {
 // test create scalar index with vector field name
 func TestCreateIndexWithOtherFieldName(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	collName, _ := createVarcharCollectionWithDataIndex(ctx, t, mc, false)
@@ -521,13 +557,17 @@ func TestCreateIndexJsonField(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVecJSON, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVecJSON, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, CollectionFieldsType: Int64FloatVecJSON, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		CollectionName: collName, CollectionFieldsType: Int64FloatVecJSON, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 
 	// create vector index on json field
@@ -535,7 +575,7 @@ func TestCreateIndexJsonField(t *testing.T) {
 	err := mc.CreateIndex(ctx, collName, common.DefaultJSONFieldName, idx, false, client.WithIndexName("json_index"))
 	common.CheckErr(t, err, false, "data type should be FloatVector, Float16Vector or BFloat16Vector")
 
-	//create scalar index on json field
+	// create scalar index on json field
 	type scalarIndexError struct {
 		indexType entity.IndexType
 		errMsg    string
@@ -563,13 +603,17 @@ func TestCreateIndexArrayField(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVecArray, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxCapacity: common.TestCapacity}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVecArray, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxCapacity: common.TestCapacity,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// prepare and insert data
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecArray,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecArray,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp, common.WithArrayCapacity(common.TestCapacity))
 
 	// flush and check row count
@@ -610,13 +654,17 @@ func TestCreateInvertedIndexArrayField(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVecArray, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxCapacity: common.TestCapacity}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVecArray, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxCapacity: common.TestCapacity,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// prepare and insert data
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecArray,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: false, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecArray,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: false, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp, common.WithArrayCapacity(common.TestCapacity))
 
 	// flush and check row count
@@ -654,13 +702,17 @@ func TestCreateBitmapIndexOnArrayField(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVecArray, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxCapacity: common.TestCapacity}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVecArray, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxCapacity: common.TestCapacity,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// prepare and insert data
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecArray,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVecArray,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp, common.WithArrayCapacity(common.TestCapacity))
 
 	// flush and check row count
@@ -783,7 +835,6 @@ func TestCreateBinaryIndexNotSupportedMetricsType(t *testing.T) {
 		common.CheckErr(t, errIvf, false, fmt.Sprintf("metric type %s not found or not supported, supported: [HAMMING JACCARD]", metricType),
 			"binary vector index does not support metric type")
 	}
-
 }
 
 // test create index without specify index name
@@ -809,17 +860,21 @@ func TestCreateIndexWithoutName(t *testing.T) {
 // test create auto index
 func TestCreateIndexWithoutIndexTypeParams(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 	err := mc.Flush(ctx, collName, false)
 	common.CheckErr(t, err, true)
@@ -865,17 +920,21 @@ func TestCreateIndexWithoutIndexTypeParams(t *testing.T) {
 // test create default auto index on scalar fields, array and json -> error
 func TestCreateAutoIndexScalarFields(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 	mc.Flush(ctx, collName, false)
 
@@ -923,23 +982,29 @@ func TestCreateAutoIndexScalarFields(t *testing.T) {
 
 func TestCreateIndexDynamicFields(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllFields,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 
 	// create scalar and auto index for all vector fields
 	indexAuto, _ := entity.NewIndexAUTOINDEX(entity.L2)
-	for _, idx := range []entity.Index{indexAuto, entity.NewScalarIndex(), entity.NewScalarIndexWithType(entity.Inverted),
-		entity.NewScalarIndexWithType(entity.Sorted), entity.NewScalarIndexWithType(entity.Trie), entity.NewScalarIndexWithType(entity.Bitmap)} {
+	for _, idx := range []entity.Index{
+		indexAuto, entity.NewScalarIndex(), entity.NewScalarIndexWithType(entity.Inverted),
+		entity.NewScalarIndexWithType(entity.Sorted), entity.NewScalarIndexWithType(entity.Trie), entity.NewScalarIndexWithType(entity.Bitmap),
+	} {
 		err := mc.CreateIndex(ctx, collName, common.DefaultDynamicFieldName, idx, false, client.WithIndexName("dynamic"))
 		common.CheckErr(t, err, false, fmt.Sprintf("field %s of collection %s does not exist", common.DefaultDynamicFieldName, collName))
 	}
@@ -953,17 +1018,21 @@ func TestCreateIndexSparseVector(t *testing.T) {
 
 	for _, idx := range []entity.Index{idxInverted, idxWand} {
 		ctx := createContext(t, time.Second*common.DefaultTimeout)
-		//connect
+		// connect
 		mc := createMilvusClient(ctx, t)
 
 		// create collection with all datatype
-		cp := CollectionParams{CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
-			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300}
+		cp := CollectionParams{
+			CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
+			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300,
+		}
 		collName := createCollection(ctx, t, mc, cp)
 
 		// insert
-		dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
-			start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+		dp := DataParams{
+			CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
+			start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+		}
 		_, _ = insertData(ctx, t, mc, dp, common.WithSparseVectorLen(100))
 		mc.Flush(ctx, collName, false)
 
@@ -985,17 +1054,21 @@ func TestCreateIndexSparseVector2(t *testing.T) {
 	idxWand1, _ := entity.NewIndexSparseWAND(entity.IP, 0.3)
 	for _, idx := range []entity.Index{idxInverted1, idxWand1} {
 		ctx := createContext(t, time.Second*common.DefaultTimeout)
-		//connect
+		// connect
 		mc := createMilvusClient(ctx, t)
 
 		// create collection with all datatype
-		cp := CollectionParams{CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
-			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300}
+		cp := CollectionParams{
+			CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
+			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300,
+		}
 		collName := createCollection(ctx, t, mc, cp)
 
 		// insert
-		dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
-			start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+		dp := DataParams{
+			CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
+			start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+		}
 		_, _ = insertData(ctx, t, mc, dp, common.WithSparseVectorLen(100))
 		mc.Flush(ctx, collName, false)
 
@@ -1016,17 +1089,21 @@ func TestCreateIndexSparseVector2(t *testing.T) {
 func TestCreateSparseIndexInvalidParams(t *testing.T) {
 	for _, indexType := range []entity.IndexType{"SPARSE_INVERTED_INDEX", "SPARSE_WAND"} {
 		ctx := createContext(t, time.Second*common.DefaultTimeout)
-		//connect
+		// connect
 		mc := createMilvusClient(ctx, t)
 
 		// create collection with all datatype
-		cp := CollectionParams{CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
-			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300}
+		cp := CollectionParams{
+			CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
+			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300,
+		}
 		collName := createCollection(ctx, t, mc, cp)
 
 		// insert
-		dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
-			start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+		dp := DataParams{
+			CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
+			start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+		}
 		_, _ = insertData(ctx, t, mc, dp, common.WithSparseVectorLen(100))
 		mc.Flush(ctx, collName, false)
 
@@ -1056,17 +1133,21 @@ func TestCreateSparseIndexInvalidParams(t *testing.T) {
 
 func TestCreateSparseIndexInvalidParams2(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp, common.WithSparseVectorLen(100))
 	mc.Flush(ctx, collName, false)
 
@@ -1103,17 +1184,21 @@ func TestCreateSparseIndexInvalidParams2(t *testing.T) {
 // create sparse unsupported index: other vector index and scalar index and auto index
 func TestCreateSparseUnsupportedIndex(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp, common.WithSparseVectorLen(100))
 	mc.Flush(ctx, collName, false)
 
@@ -1139,17 +1224,21 @@ func TestCreateSparseUnsupportedIndex(t *testing.T) {
 // create sparse auto / scalar index
 func TestCreateSparseAutoIndex(t *testing.T) {
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
-	//connect
+	// connect
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: 300,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64VarcharSparseVec,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp, common.WithSparseVectorLen(100))
 	mc.Flush(ctx, collName, false)
 
@@ -1200,7 +1289,7 @@ func TestCreateIndexNotExistCollName(t *testing.T) {
 	// create index
 	idx, _ := entity.NewIndexHNSW(entity.L2, 8, 96)
 	err := mc.CreateIndex(ctx, "haha", common.DefaultFloatVecFieldName, idx, false)
-	common.CheckErr(t, err, false, "collection haha does not exist")
+	common.CheckErr(t, err, false, fmt.Sprintf("collection %s does not exist", "haha"))
 }
 
 func TestCreateIndexNotExistField(t *testing.T) {
@@ -1347,13 +1436,17 @@ func TestIndexMultiVectorDupName(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection with all datatype
-	cp := CollectionParams{CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp, client.WithConsistencyLevel(entity.ClStrong))
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllVectors,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllVectors,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, err := insertData(ctx, t, mc, dp)
 	common.CheckErr(t, err, true)
 
diff --git a/test/testcases/iterator_test.go b/test/testcases/iterator_test.go
new file mode 100644
index 0000000..f423005
--- /dev/null
+++ b/test/testcases/iterator_test.go
@@ -0,0 +1,53 @@
+//go:build L0
+
+package testcases
+
+// func TestSearchIteratorDefault(t *testing.T) {
+// 	ctx := createContext(t, time.Second*common.DefaultTimeout)
+// 	// connect
+// 	mc := createMilvusClient(ctx, t)
+
+// 	// create collection
+// 	cp := CollectionParams{CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: true,
+// 		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+// 	collName := createCollection(ctx, t, mc, cp)
+
+// 	// insert
+// 	dpColumns := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVec,
+// 		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+// 	_, _ = insertData(ctx, t, mc, dpColumns)
+
+// 	mc.Flush(ctx, collName, false)
+
+// 	/* dpRows := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: Int64FloatVec,
+// 	   start: common.DefaultNb, nb: common.DefaultNb * 2, dim: common.DefaultDim, EnableDynamicField: true, WithRows: true}
+// 	_, _ = insertData(ctx, t, mc, dpRows)*/
+
+// 	idx, _ := entity.NewIndexHNSW(entity.COSINE, 8, 96)
+// 	_ = mc.CreateIndex(ctx, collName, common.DefaultFloatVecFieldName, idx, false)
+
+// 	// Load collection
+// 	errLoad := mc.LoadCollection(ctx, collName, false)
+// 	common.CheckErr(t, errLoad, true)
+
+// 	// search iterator with default batch
+// 	sp, _ := entity.NewIndexHNSWSearchParam(80)
+// 	queryVec := common.GenSearchVectors(1, common.DefaultDim, entity.FieldTypeFloatVector)
+// 	opt := client.NewSearchIteratorOption(collName, common.DefaultFloatVecFieldName, sp, queryVec[0], entity.COSINE)
+// 	itr, err := mc.SearchIterator(ctx, opt)
+// 	common.CheckErr(t, err, true)
+// 	// common.CheckSearchIteratorResult(ctx, t, itr, common.DefaultNb)
+// 	var cnt int
+// 	for {
+// 		sr, err := itr.Next(ctx)
+// 		if err != nil {
+// 			if err == io.EOF {
+// 				break
+// 			}
+// 			t.FailNow()
+// 		}
+// 		cnt += sr.IDs.Len()
+// 		time.Sleep(time.Second)
+// 	}
+// 	log.Println(cnt)
+// }
diff --git a/test/testcases/load_release_test.go b/test/testcases/load_release_test.go
index 2bc7d41..f40bf0b 100644
--- a/test/testcases/load_release_test.go
+++ b/test/testcases/load_release_test.go
@@ -20,7 +20,7 @@ import (
 
 // test load collection
 func TestLoadCollection(t *testing.T) {
-	//t.Skip("Issue: https://github.com/milvus-io/milvus-sdk-go/issues/374")
+	// t.Skip("Issue: https://github.com/milvus-io/milvus-sdk-go/issues/374")
 	ctx := createContext(t, time.Second*common.DefaultTimeout)
 	// connect
 	mc := createMilvusClient(ctx, t)
@@ -39,7 +39,7 @@ func TestLoadCollection(t *testing.T) {
 	// check collection loaded
 	collection, _ := mc.DescribeCollection(ctx, collName)
 	log.Println(collection.Loaded)
-	//require.True(t, collection.Loaded)
+	// require.True(t, collection.Loaded)
 }
 
 // test load not existed collection
@@ -50,7 +50,7 @@ func TestLoadCollectionNotExist(t *testing.T) {
 
 	// Load collection
 	errLoad := mc.LoadCollection(ctx, "collName", false)
-	common.CheckErr(t, errLoad, false, "exist")
+	common.CheckErr(t, errLoad, false, "collection not found")
 }
 
 // test load collection async
@@ -98,7 +98,7 @@ func TestLoadCollectionWithoutIndex(t *testing.T) {
 
 // load collection with multi partitions
 func TestLoadCollectionMultiPartitions(t *testing.T) {
-	//t.Skip("Issue: https://github.com/milvus-io/milvus-sdk-go/issues/374")
+	// t.Skip("Issue: https://github.com/milvus-io/milvus-sdk-go/issues/374")
 	ctx := createContext(t, time.Second*common.DefaultTimeout*3)
 	// connect
 	mc := createMilvusClient(ctx, t)
@@ -119,18 +119,17 @@ func TestLoadCollectionMultiPartitions(t *testing.T) {
 	partitions, _ := mc.ShowPartitions(ctx, collName)
 	for _, partition := range partitions {
 		log.Println(partition.Loaded)
-		//require.True(t, partition.Loaded)
+		// require.True(t, partition.Loaded)
 	}
 
 	// check collection loaded
 	collection, _ := mc.DescribeCollection(ctx, collName)
 	log.Println(collection.Loaded)
-	//require.True(t, collection.Loaded)
+	// require.True(t, collection.Loaded)
 }
 
 // test load with empty partition name ""
 func TestLoadEmptyPartitionName(t *testing.T) {
-	//t.Skip("Issue: https://github.com/milvus-io/milvus-sdk-go/issues/373")
 	ctx := createContext(t, time.Second*common.DefaultTimeout*3)
 	// connect
 	mc := createMilvusClient(ctx, t)
@@ -145,7 +144,7 @@ func TestLoadEmptyPartitionName(t *testing.T) {
 
 	// load partition with empty partition names
 	errLoadEmpty := mc.LoadPartitions(ctx, collName, []string{""}, false)
-	common.CheckErr(t, errLoadEmpty, false, "request failed")
+	common.CheckErr(t, errLoadEmpty, false, "partition not found[partition=]")
 }
 
 // test load partitions with empty slice []string{}
@@ -183,11 +182,11 @@ func TestLoadPartitionsNotExist(t *testing.T) {
 
 	// load with not exist partition names
 	errLoadNotExist := mc.LoadPartitions(ctx, collName, []string{"xxx"}, false)
-	common.CheckErr(t, errLoadNotExist, false, fmt.Sprintf("partition xxx of collection %s does not exist", collName))
+	common.CheckErr(t, errLoadNotExist, false, "partition not found")
 
 	// load partition with part exist partition names
 	errLoadPartExist := mc.LoadPartitions(ctx, collName, []string{"xxx", partitionName}, false)
-	common.CheckErr(t, errLoadPartExist, false, fmt.Sprintf("partition xxx of collection %s does not exist", collName))
+	common.CheckErr(t, errLoadPartExist, false, "partition not found")
 }
 
 // test load partition
@@ -216,16 +215,16 @@ func TestLoadPartitions(t *testing.T) {
 	partitions, _ := mc.ShowPartitions(ctx, collName)
 	for _, p := range partitions {
 		if p.Name == partitionName {
-			//require.True(t, p.Loaded)
+			// require.True(t, p.Loaded)
 			log.Println(p.Loaded)
 		} else {
 			log.Println(p.Loaded)
-			//require.True(t, p.Loaded)
+			// require.True(t, p.Loaded)
 		}
 		log.Printf("id: %d, name: %s, loaded %t", p.ID, p.Name, p.Loaded)
 	}
 
-	//query from nb from partition
+	// query from nb from partition
 	queryIds := entity.NewColumnInt64(common.DefaultIntFieldName, []int64{0, int64(nb)})
 	queryResultPartition, _ := mc.QueryByPks(ctx, collName, []string{}, queryIds, []string{common.DefaultIntFieldName})
 	common.CheckQueryResult(t, queryResultPartition, []entity.Column{
@@ -251,7 +250,7 @@ func TestLoadMultiPartitions(t *testing.T) {
 	errLoad := mc.LoadPartitions(ctx, collName, []string{common.DefaultPartition}, false)
 	common.CheckErr(t, errLoad, true)
 
-	//query nb from default partition
+	// query nb from default partition
 	resDef, _ := mc.Query(ctx, collName, []string{common.DefaultPartition}, "", []string{common.QueryCountFieldName})
 	require.EqualValues(t, common.DefaultNb, resDef.GetColumn(common.QueryCountFieldName).(*entity.ColumnInt64).Data()[0])
 
@@ -283,7 +282,7 @@ func TestLoadPartitionsRepeatedly(t *testing.T) {
 	errLoadRepeat := mc.LoadPartitions(ctx, collName, []string{partitionName, partitionName}, false)
 	common.CheckErr(t, errLoadRepeat, true)
 
-	//query from nb from partition
+	// query from nb from partition
 	queryIds := entity.NewColumnInt64(common.DefaultIntFieldName, []int64{common.DefaultNb})
 	queryResultPartition, _ := mc.QueryByPks(ctx, collName, []string{}, queryIds, []string{common.DefaultIntFieldName})
 	common.CheckQueryResult(t, queryResultPartition, []entity.Column{queryIds})
@@ -333,13 +332,17 @@ func TestLoadCollectionMultiVectors(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create collection
-	cp := CollectionParams{CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllVectors, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// insert
-	dp := DataParams{CollectionName: collName, PartitionName: "", CollectionFieldsType: AllVectors,
-		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false}
+	dp := DataParams{
+		CollectionName: collName, PartitionName: "", CollectionFieldsType: AllVectors,
+		start: 0, nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true, WithRows: false,
+	}
 	_, _ = insertData(ctx, t, mc, dp)
 	mc.Flush(ctx, collName, false)
 
@@ -372,7 +375,7 @@ func TestReleasePartition(t *testing.T) {
 	// create collection -> insert data -> create index
 	collName, _ := createCollectionWithDataIndex(ctx, t, mc, true, true)
 
-	//load collection
+	// load collection
 	errLoad := mc.LoadCollection(ctx, collName, true)
 	common.CheckErr(t, errLoad, true)
 
@@ -400,13 +403,13 @@ func TestReleaseCollectionNotExist(t *testing.T) {
 	// create collection -> insert data -> create index
 	collName, _ := createCollectionWithDataIndex(ctx, t, mc, true, true)
 
-	//load collection
+	// load collection
 	errLoad := mc.LoadCollection(ctx, collName, true)
 	common.CheckErr(t, errLoad, true)
 
 	// release collection
 	errRelease := mc.ReleaseCollection(ctx, "collName")
-	common.CheckErr(t, errRelease, false, "not exist")
+	common.CheckErr(t, errRelease, false, "collection not found")
 }
 
 // test release partitions
@@ -467,11 +470,11 @@ func TestReleasePartitionsNotExist(t *testing.T) {
 
 	// release partition
 	errRelease := mc.ReleasePartitions(ctx, collName, []string{"partitionName"})
-	common.CheckErr(t, errRelease, false, "not exist")
+	common.CheckErr(t, errRelease, false, "partition not found")
 
 	// release partition
 	errRelease2 := mc.ReleasePartitions(ctx, collName, []string{"partitionName", partitionName})
-	common.CheckErr(t, errRelease2, false, "not exist")
+	common.CheckErr(t, errRelease2, false, "partition not found")
 
 	// check release success
 	partitions, _ := mc.ShowPartitions(ctx, collName)
@@ -530,12 +533,16 @@ func TestMmapCollectionIndexDefault(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
-	dp := DataParams{DoInsert: true, CollectionName: collName, CollectionFieldsType: AllFields, start: 0,
-		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true}
+	dp := DataParams{
+		DoInsert: true, CollectionName: collName, CollectionFieldsType: AllFields, start: 0,
+		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true,
+	}
 	insertData(ctx, t, mc, dp)
 	_ = mc.Flush(ctx, collName, false)
 
@@ -575,7 +582,7 @@ func TestMmapCollectionIndexDefault(t *testing.T) {
 	err := mc.AlterCollection(ctx, collName, entity.Mmap(true))
 	common.CheckErr(t, err, true)
 
-	//describe collection
+	// describe collection
 	mc.LoadCollection(ctx, collName, false)
 	coll, _ = mc.DescribeCollection(ctx, collName)
 	require.Equal(t, "true", coll.Properties["mmap.enabled"])
@@ -612,11 +619,15 @@ func TestMmapAlterCollectionIndexDefault(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0,
-		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0,
+		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: true,
+	}
 
 	ips := GenDefaultIndexParamsForAllVectors()
 	collName := prepareCollection(ctx, t, mc, cp, WithDataParams(dp), WithIndexParams(ips), WithCreateOption(client.WithConsistencyLevel(entity.ClStrong)))
@@ -628,7 +639,7 @@ func TestMmapAlterCollectionIndexDefault(t *testing.T) {
 		require.Equal(t, "", indexes[0].Params()["mmap.enabled"])
 	}
 
-	//describe collection
+	// describe collection
 	mc.LoadCollection(ctx, collName, false)
 	coll, _ := mc.DescribeCollection(ctx, collName)
 	require.Equal(t, "", coll.Properties["mmap.enabled"])
@@ -643,7 +654,7 @@ func TestMmapAlterCollectionIndexDefault(t *testing.T) {
 	}
 
 	// load collection -> describe collection and check mmap false
-	//describe collection
+	// describe collection
 	mc.LoadCollection(ctx, collName, false)
 	coll, _ = mc.DescribeCollection(ctx, collName)
 	require.Equal(t, "true", coll.Properties["mmap.enabled"])
@@ -683,11 +694,15 @@ func TestMmapCollectionLoaded(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: Int64FloatVec, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: Int64FloatVec, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 
 	collName := prepareCollection(ctx, t, mc, cp, WithDataParams(dp), WithCreateOption(client.WithConsistencyLevel(entity.ClStrong)))
 
@@ -707,11 +722,15 @@ func TestMmapCollectionScalarIndexed(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: Int64FloatVec, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: Int64FloatVec, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: false,
+	}
 	collName := prepareCollection(ctx, t, mc, cp, WithDataParams(dp), WithCreateOption(client.WithConsistencyLevel(entity.ClStrong)))
 
 	// create scalar index
@@ -744,11 +763,15 @@ func TestMmapScalarInvertedIndex(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: true}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: true,
+	}
 
 	// build vector's indexes
 	ips := GenDefaultIndexParamsForAllVectors()
@@ -756,7 +779,7 @@ func TestMmapScalarInvertedIndex(t *testing.T) {
 	collName := prepareCollection(ctx, t, mc, cp, WithDataParams(dp), WithIndexParams(ips), WithLoadParams(lp),
 		WithCreateOption(client.WithConsistencyLevel(entity.ClStrong)))
 
-	//create scalar index with mmap
+	// create scalar index with mmap
 	collection, _ := mc.DescribeCollection(ctx, collName)
 	for _, field := range collection.Schema.Fields {
 		if SupportScalarIndexFieldType(field.DataType) {
@@ -800,11 +823,15 @@ func TestMmapScalarBitmapIndex(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: true}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: true,
+	}
 
 	// build vector's indexes
 	ips := GenDefaultIndexParamsForAllVectors()
@@ -812,7 +839,7 @@ func TestMmapScalarBitmapIndex(t *testing.T) {
 	collName := prepareCollection(ctx, t, mc, cp, WithDataParams(dp), WithIndexParams(ips), WithLoadParams(lp),
 		WithCreateOption(client.WithConsistencyLevel(entity.ClStrong)))
 
-	//create scalar index with mmap
+	// create scalar index with mmap
 	collection, _ := mc.DescribeCollection(ctx, collName)
 	BitmapNotSupport := []interface{}{entity.FieldTypeJSON, entity.FieldTypeDouble, entity.FieldTypeFloat}
 	for _, field := range collection.Schema.Fields {
@@ -856,11 +883,15 @@ func TestMmapScalarHybirdIndex(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert [0, 3000) -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: true,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 
-	dp := DataParams{DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
-		dim: common.DefaultDim, EnableDynamicField: true}
+	dp := DataParams{
+		DoInsert: true, CollectionFieldsType: AllFields, start: 0, nb: common.DefaultNb,
+		dim: common.DefaultDim, EnableDynamicField: true,
+	}
 
 	// build vector's indexes
 	ips := GenDefaultIndexParamsForAllVectors()
@@ -868,7 +899,7 @@ func TestMmapScalarHybirdIndex(t *testing.T) {
 	collName := prepareCollection(ctx, t, mc, cp, WithDataParams(dp), WithIndexParams(ips), WithLoadParams(lp),
 		WithCreateOption(client.WithConsistencyLevel(entity.ClStrong)))
 
-	//create scalar index with mmap
+	// create scalar index with mmap
 	collection, _ := mc.DescribeCollection(ctx, collName)
 	for _, field := range collection.Schema.Fields {
 		if SupportScalarIndexFieldType(field.DataType) {
@@ -910,11 +941,13 @@ func TestMmapIndexUnsupported(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
-	//create index with mmap
+	// create index with mmap
 	idx, _ := entity.NewIndexDISKANN(entity.COSINE)
 	err := mc.CreateIndex(ctx, collName, common.DefaultFloatVecFieldName, idx, false, client.WithMmap(true))
 	common.CheckErr(t, err, false, "index type DISKANN does not support mmap")
@@ -934,12 +967,16 @@ func TestMmapScalarAutoIndex(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
-	dp := DataParams{DoInsert: true, CollectionName: collName, CollectionFieldsType: AllFields, start: 0,
-		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: false}
+	dp := DataParams{
+		DoInsert: true, CollectionName: collName, CollectionFieldsType: AllFields, start: 0,
+		nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: false,
+	}
 	insertData(ctx, t, mc, dp)
 	mc.Flush(ctx, collName, false)
 
@@ -959,8 +996,10 @@ func TestAlterIndexMmapUnsupportedIndex(t *testing.T) {
 	mc := createMilvusClient(ctx, t)
 
 	// create -> insert -> flush -> index -> load
-	cp := CollectionParams{CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
-		ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+	cp := CollectionParams{
+		CollectionFieldsType: AllFields, AutoID: false, EnableDynamicField: false,
+		ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+	}
 	collName := createCollection(ctx, t, mc, cp)
 
 	// diskAnn
@@ -1001,12 +1040,16 @@ func TestMmapAlterIndex(t *testing.T) {
 		mc := createMilvusClient(ctx, t)
 
 		// create -> insert -> flush -> index -> load
-		cp := CollectionParams{CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: false,
-			ShardsNum: common.DefaultShards, Dim: common.DefaultDim}
+		cp := CollectionParams{
+			CollectionFieldsType: Int64FloatVec, AutoID: false, EnableDynamicField: false,
+			ShardsNum: common.DefaultShards, Dim: common.DefaultDim,
+		}
 		collName := createCollection(ctx, t, mc, cp)
 
-		dp := DataParams{DoInsert: true, CollectionName: collName, CollectionFieldsType: Int64FloatVec, start: 0,
-			nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: false}
+		dp := DataParams{
+			DoInsert: true, CollectionName: collName, CollectionFieldsType: Int64FloatVec, start: 0,
+			nb: common.DefaultNb, dim: common.DefaultDim, EnableDynamicField: false,
+		}
 		insertData(ctx, t, mc, dp)
 		mc.Flush(ctx, collName, false)
 
@@ -1046,11 +1089,15 @@ func TestMmapSparseCollection(t *testing.T) {
 		mc := createMilvusClient(ctx, t)
 
 		// create -> insert [0, 3000) -> flush -> index -> load
-		cp := CollectionParams{CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
-			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: common.TestMaxLen}
+		cp := CollectionParams{
+			CollectionFieldsType: Int64VarcharSparseVec, AutoID: false, EnableDynamicField: true,
+			ShardsNum: common.DefaultShards, Dim: common.DefaultDim, MaxLength: common.TestMaxLen,
+		}
 
-		dp := DataParams{DoInsert: true, CollectionFieldsType: Int64VarcharSparseVec, start: 0, nb: common.DefaultNb * 5,
-			dim: common.DefaultDim, EnableDynamicField: true}
+		dp := DataParams{
+			DoInsert: true, CollectionFieldsType: Int64VarcharSparseVec, start: 0, nb: common.DefaultNb * 5,
+			dim: common.DefaultDim, EnableDynamicField: true,
+		}
 
 		// index params
 		idxHnsw, _ := entity.NewIndexHNSW(entity.L2, 8, 96)
@@ -1073,8 +1120,10 @@ func TestMmapSparseCollection(t *testing.T) {
 		common.CheckErr(t, err, true)
 
 		// search with floatVec field
-		outputFields := []string{common.DefaultIntFieldName, common.DefaultVarcharFieldName, common.DefaultFloatVecFieldName,
-			common.DefaultSparseVecFieldName, common.DefaultDynamicFieldName}
+		outputFields := []string{
+			common.DefaultIntFieldName, common.DefaultVarcharFieldName, common.DefaultFloatVecFieldName,
+			common.DefaultSparseVecFieldName, common.DefaultDynamicFieldName,
+		}
 		queryVecFloat := common.GenSearchVectors(1, common.DefaultDim, entity.FieldTypeFloatVector)
 		sp, _ := entity.NewIndexSparseInvertedSearchParam(0)
 		resSearch, errSearch := mc.Search(ctx, collName, []string{}, "", []string{"*"}, queryVecFloat, common.DefaultFloatVecFieldName,
diff --git a/test/testcases/resource_group_test.go b/test/testcases/resource_group_test.go
index 6c3cf92..d69aa9c 100644
--- a/test/testcases/resource_group_test.go
+++ b/test/testcases/resource_group_test.go
@@ -389,7 +389,7 @@ func TestTransferReplicaNotExistedCollection(t *testing.T) {
 
 	// transfer replica
 	errTransfer := mc.TransferReplica(ctx, common.DefaultRgName, rgName, common.GenRandomString(3), 1)
-	common.CheckErr(t, errTransfer, false, "collection not found")
+	common.CheckErr(t, errTransfer, false, "can't find collection")
 }
 
 // test transfer replicas with invalid replica number
diff --git a/test/testcases/ut.log b/test/testcases/ut.log
new file mode 100644
index 0000000..1b71b16
--- /dev/null
+++ b/test/testcases/ut.log
@@ -0,0 +1,109 @@
+2024/08/20 13:05:46 main_test.go:542: parse addr=localhost:19530
+=== RUN   TestQueryArrayFieldExpr
+2024/08/20 13:05:46 milvus_client.go:14: (ApiRequest): func [NewDefaultGrpcClient], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m59.999895469s]) localhost:19530]
+2024/08/20 13:05:46 milvus_client.go:21: (ApiResponse): func [NewDefaultGrpcClient], results: [0xc0001860e0]
+2024/08/20 13:05:46 milvus_client.go:14: (ApiRequest): func [CreateCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m59.990038188s]) eYrs 0xc000340d70 2 [0xfca7c0]]
+2024/08/20 13:05:46 milvus_client.go:21: (ApiResponse): func [CreateCollection], results: []
+2024/08/20 13:05:47 utils.go:493: expect 100
+2024/08/20 13:05:47 milvus_client.go:14: (ApiRequest): func [InsertRows], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m59.102051463s]) eYrs  3000]
+2024/08/20 13:05:49 milvus_client.go:21: (ApiResponse): func [InsertRows], results: [0xc01f6668d0]
+2024/08/20 13:05:49 milvus_client.go:14: (ApiRequest): func [Flush], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m56.858153415s]) eYrs false]
+2024/08/20 13:05:52 milvus_client.go:21: (ApiResponse): func [Flush], results: []
+2024/08/20 13:05:52 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m54.411170465s]) eYrs floatVec false 0xc00028a9e0 []]
+2024/08/20 13:05:56 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:05:56 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m50.194304676s]) eYrs binaryVec false 0xc01f72c0f0 []]
+2024/08/20 13:06:00 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:00 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m46.180499627s]) eYrs fp16Vec false 0xc00028a9e0 []]
+2024/08/20 13:06:02 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:02 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m44.151899363s]) eYrs bf16Vec false 0xc00028a9e0 []]
+2024/08/20 13:06:04 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:04 milvus_client.go:14: (ApiRequest): func [LoadCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m42.227921864s]) eYrs []]
+2024/08/20 13:06:05 milvus_client.go:21: (ApiResponse): func [LoadCollection], results: []
+2024/08/20 13:06:05 query_test.go:832: json_contains (int16Array, 100)
+2024/08/20 13:06:05 milvus_client.go:14: (ApiRequest): func [Query], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m41.185980494s]) eYrs [] json_contains (int16Array, 100) [count(*)] []]
+2024/08/20 13:06:05 milvus_client.go:21: (ApiResponse): func [Query], results: [[0xc01f6fe4b0]]
+2024/08/20 13:06:05 query_test.go:835: type:Int64 field_name:"count(*)" scalars:<long_data:<data:100 > > 
+2024/08/20 13:06:05 milvus_client.go:14: (ApiRequest): func [ReleaseCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m40.688556826s]) eYrs]
+2024/08/20 13:06:06 milvus_client.go:21: (ApiResponse): func [ReleaseCollection], results: []
+2024/08/20 13:06:06 milvus_client.go:14: (ApiRequest): func [DescribeCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m40.45917764s]) eYrs]
+2024/08/20 13:06:06 milvus_client.go:21: (ApiResponse): func [DescribeCollection], results: [0xc0002e5500]
+2024/08/20 13:06:06 utils.go:1457: Collection  eYrs  all fileds:  [int64 bool int8 int16 int32 float double varchar json floatVec fp16Vec bf16Vec binaryVec boolArray int8Array int16Array int32Array int64Array floatArray doubleArray varcharArray]
+2024/08/20 13:06:06 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m40.453045367s]) eYrs boolArray false 0xc01f7e47e0 [0xfca4e0]]
+2024/08/20 13:06:09 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:09 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m37.214635597s]) eYrs int8Array false 0xc01f7e47e0 [0xfca4e0]]
+2024/08/20 13:06:12 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:12 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m34.187870869s]) eYrs int16Array false 0xc01f7e47e0 [0xfca4e0]]
+2024/08/20 13:06:15 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:15 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m31.178102105s]) eYrs int32Array false 0xc01f7e47e0 [0xfca4e0]]
+2024/08/20 13:06:18 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:18 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m28.138935868s]) eYrs int64Array false 0xc01f7e47e0 [0xfca4e0]]
+2024/08/20 13:06:21 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:21 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m25.208644424s]) eYrs varcharArray false 0xc01f7e47e0 [0xfca4e0]]
+2024/08/20 13:06:24 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:24 milvus_client.go:14: (ApiRequest): func [LoadCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m22.184108133s]) eYrs []]
+2024/08/20 13:06:24 milvus_client.go:21: (ApiResponse): func [LoadCollection], results: []
+2024/08/20 13:06:24 query_test.go:862: json_contains (int16Array, 100)
+2024/08/20 13:06:24 milvus_client.go:14: (ApiRequest): func [Query], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m22.144191242s]) eYrs [] json_contains (int16Array, 100) [count(*)] []]
+2024/08/20 13:06:27 milvus_client.go:21: (ApiResponse): func [Query], results: [[0xc01fa488d0]]
+2024/08/20 13:06:27 query_test.go:865: type:Int64 field_name:"count(*)" scalars:<long_data:<data:100 > > 
+2024/08/20 13:06:27 milvus_client.go:14: (ApiRequest): func [CreateCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m19.121066335s]) BDcb 0xc01fa43450 2 [0xfca7c0]]
+2024/08/20 13:06:27 milvus_client.go:21: (ApiResponse): func [CreateCollection], results: []
+2024/08/20 13:06:27 utils.go:493: expect 100
+2024/08/20 13:06:27 milvus_client.go:14: (ApiRequest): func [Insert], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m18.618569037s]) BDcb  [0xc01f9c7200 0xc01f9c7230 0xc01f9c7260 0xc01f9c7290 0xc01f9c72c0 0xc01f9c72f0 0xc01f9c7320 0xc01f9c7350 0xc01fafc960 0xc01fafc990 0xc01fafc9c0 0xc01fafc9f0 0xc01fafca20 0xc01fafca50 0xc01fafca80 0xc01fafcab0 0xc01fafcae0 0xc01f8ce000 0xc01f8ce030 0xc01f8ce060 0xc01f8ce090 0xc01f8ce0c0 0xc01f8ce0f0 0xc01f8ce120]]
+2024/08/20 13:06:29 milvus_client.go:21: (ApiResponse): func [Insert], results: [0xc01e584210]
+2024/08/20 13:06:29 milvus_client.go:14: (ApiRequest): func [Flush], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m16.710567652s]) BDcb false]
+2024/08/20 13:06:32 milvus_client.go:21: (ApiResponse): func [Flush], results: []
+2024/08/20 13:06:32 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m13.85886925s]) BDcb floatVec false 0xc0001869e0 []]
+2024/08/20 13:06:34 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:34 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m12.164129209s]) BDcb binaryVec false 0xc000121500 []]
+2024/08/20 13:06:36 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:36 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m10.176707392s]) BDcb fp16Vec false 0xc0001869e0 []]
+2024/08/20 13:06:38 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:38 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m8.167053836s]) BDcb bf16Vec false 0xc0001869e0 []]
+2024/08/20 13:06:40 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:40 milvus_client.go:14: (ApiRequest): func [LoadCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m6.172877779s]) BDcb []]
+2024/08/20 13:06:42 milvus_client.go:21: (ApiResponse): func [LoadCollection], results: []
+2024/08/20 13:06:42 query_test.go:832: json_contains (int16Array, 100)
+2024/08/20 13:06:42 milvus_client.go:14: (ApiRequest): func [Query], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m4.525007934s]) BDcb [] json_contains (int16Array, 100) [count(*)] []]
+2024/08/20 13:06:42 milvus_client.go:21: (ApiResponse): func [Query], results: [[0xc01e55a8a0]]
+2024/08/20 13:06:42 query_test.go:835: type:Int64 field_name:"count(*)" scalars:<long_data:<data:100 > > 
+2024/08/20 13:06:42 milvus_client.go:14: (ApiRequest): func [ReleaseCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m4.300823748s]) BDcb]
+2024/08/20 13:06:42 milvus_client.go:21: (ApiResponse): func [ReleaseCollection], results: []
+2024/08/20 13:06:42 milvus_client.go:14: (ApiRequest): func [DescribeCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m3.890065997s]) BDcb]
+2024/08/20 13:06:42 milvus_client.go:21: (ApiResponse): func [DescribeCollection], results: [0xc0003050a0]
+2024/08/20 13:06:42 utils.go:1457: Collection  BDcb  all fileds:  [int64 bool int8 int16 int32 float double varchar json floatVec fp16Vec bf16Vec binaryVec boolArray int8Array int16Array int32Array int64Array floatArray doubleArray varcharArray]
+2024/08/20 13:06:42 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m3.888356072s]) BDcb boolArray false 0xc01e446260 [0xfca4e0]]
+2024/08/20 13:06:46 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:46 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [1m0.158887447s]) BDcb int8Array false 0xc01e446260 [0xfca4e0]]
+2024/08/20 13:06:49 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:49 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [57.23042059s]) BDcb int16Array false 0xc01e446260 [0xfca4e0]]
+2024/08/20 13:06:52 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:52 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [54.193458112s]) BDcb int32Array false 0xc01e446260 [0xfca4e0]]
+2024/08/20 13:06:55 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:55 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [51.170879117s]) BDcb int64Array false 0xc01e446260 [0xfca4e0]]
+2024/08/20 13:06:58 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:06:58 milvus_client.go:14: (ApiRequest): func [CreateIndex], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [48.145540585s]) BDcb varcharArray false 0xc01e446260 [0xfca4e0]]
+2024/08/20 13:07:01 milvus_client.go:21: (ApiResponse): func [CreateIndex], results: []
+2024/08/20 13:07:01 milvus_client.go:14: (ApiRequest): func [LoadCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [45.218971559s]) BDcb []]
+2024/08/20 13:07:01 milvus_client.go:21: (ApiResponse): func [LoadCollection], results: []
+2024/08/20 13:07:01 query_test.go:862: json_contains (int16Array, 100)
+2024/08/20 13:07:01 milvus_client.go:14: (ApiRequest): func [Query], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [45.180351592s]) BDcb [] json_contains (int16Array, 100) [count(*)] []]
+2024/08/20 13:07:02 milvus_client.go:21: (ApiResponse): func [Query], results: [[0xc01f325ef0]]
+2024/08/20 13:07:02 query_test.go:865: type:Int64 field_name:"count(*)" scalars:<long_data:<data:100 > > 
+2024/08/20 13:07:02 milvus_client.go:14: (ApiRequest): func [DropCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [43.764403217s]) BDcb]
+2024/08/20 13:07:02 milvus_client.go:21: (ApiResponse): func [DropCollection], results: []
+2024/08/20 13:07:02 milvus_client.go:14: (ApiRequest): func [DropCollection], args: [context.Background.WithDeadline(2024-08-20 13:07:46.537079296 +0800 CST m=+120.024016181 [43.727240371s]) eYrs]
+2024/08/20 13:07:02 milvus_client.go:21: (ApiResponse): func [DropCollection], results: []
+2024/08/20 13:07:02 milvus_client.go:14: (ApiRequest): func [Close], args: []
+2024/08/20 13:07:02 milvus_client.go:21: (ApiResponse): func [Close], results: []
+--- PASS: TestQueryArrayFieldExpr (76.28s)
+PASS
+coverage: 0.0% of statements
+2024/08/20 13:07:02 main_test.go:29: Start to tear down all
+2024/08/20 13:07:02 milvus_client.go:14: (ApiRequest): func [NewDefaultGrpcClient], args: [context.Background.WithDeadline(2024-08-20 13:09:02.822676352 +0800 CST m=+196.309613251 [1m59.999947033s]) localhost:19530]
+2024/08/20 13:07:02 milvus_client.go:21: (ApiResponse): func [NewDefaultGrpcClient], results: [0xc01f2f8240]
+2024/08/20 13:07:02 milvus_client.go:14: (ApiRequest): func [ListDatabases], args: [context.Background.WithDeadline(2024-08-20 13:09:02.822676352 +0800 CST m=+196.309613251 [1m59.996060858s])]
+2024/08/20 13:07:02 milvus_client.go:21: (ApiResponse): func [ListDatabases], results: [[{default []}]]
+2024/08/20 13:07:02 milvus_client.go:14: (ApiRequest): func [Close], args: []
+2024/08/20 13:07:02 milvus_client.go:21: (ApiResponse): func [Close], results: []
+ok  	github.com/milvus-io/milvus-sdk-go/v2/test/testcases	77.458s