[Bug]: [GoSDK] Range search params configured via WithSearchParam does not seem to work

[ThreadDao]

Is there an existing issue for this?

• I have searched the existing issues

Environment

- Milvus version: master-20241227-445b9379-amd64
- Deployment mode(standalone or cluster):
- MQ type(rocksmq, pulsar or kafka):    
- SDK version(e.g. pymilvus v2.0.0rc2): go sdk v2 
- OS(Ubuntu or CentOS): 
- CPU/Memory: 
- GPU: 
- Others:

Current Behavior

• search with range params but the search scores doesn't meet the range: (radius=10, range_filter=30)

    search_test.go:1122: 
        	Error Trace:	/home/zong/zong/projects/milvus/tests/go_client/testcases/search_test.go:1122
        	Error:      	"30.964611" is not less than "30"
        	Test:       	TestRangeSearchSparseVector

• results

default search scores:
[2024/12/30 15:42:48.148 +08:00] [INFO] [testcases/search_test.go:1103] ["default search"] [score="[30.964611,30.618275,30.260593,29.937754,29.834946,29.819975,29.45387,29.339054,29.321682,29.156536]"]
[2024/12/30 15:42:48.148 +08:00] [INFO] [testcases/search_test.go:1103] ["default search"] [score="[28.851183,28.641346,28.474401,28.269678,27.877518,27.77828,27.771084,27.635157,27.50377,27.370735]"]
[2024/12/30 15:42:48.148 +08:00] [INFO] [testcases/search_test.go:1103] ["default search"] [score="[34.471928,33.063526,32.974804,32.94745,32.912514,32.91202,32.809494,32.7819,32.76309,32.478886]"]
[2024/12/30 15:42:48.148 +08:00] [INFO] [testcases/search_test.go:1103] ["default search"] [score="[35.661522,34.14397,33.949726,33.931587,33.831593,33.7857,33.734726,33.61877,33.51331,33.201366]"]
[2024/12/30 15:42:48.149 +08:00] [INFO] [testcases/search_test.go:1103] ["default search"] [score="[20.891726,20.69407,19.612488,19.470243,19.433949,19.392069,19.384956,19.361885,19.357288,19.351835]"]

range search scores: 
[2024/12/30 15:42:48.163 +08:00] [INFO] [testcases/search_test.go:1116] ["range search"] [score="[30.964611,30.618275,30.260593,29.937754,29.834946,29.819975,29.45387,29.339054,29.321682,29.156536]"]
[2024/12/30 15:42:48.163 +08:00] [INFO] [testcases/search_test.go:1116] ["range search"] [score="[28.851183,28.641346,28.474401,28.269678,27.877518,27.77828,27.771084,27.635157,27.50377,27.370735]"]
[2024/12/30 15:42:48.164 +08:00] [INFO] [testcases/search_test.go:1116] ["range search"] [score="[34.471928,33.063526,32.974804,32.94745,32.912514,32.91202,32.809494,32.7819,32.76309,32.478886]"]
[2024/12/30 15:42:48.164 +08:00] [INFO] [testcases/search_test.go:1116] ["range search"] [score="[35.661522,34.14397,33.949726,33.931587,33.831593,33.7857,33.734726,33.61877,33.51331,33.201366]"]
[2024/12/30 15:42:48.164 +08:00] [INFO] [testcases/search_test.go:1116] ["range search"] [score="[20.891726,20.69407,19.612488,19.470243,19.433949,19.392069,19.384956,19.361885,19.357288,19.351835]"]

• case:

func TestRangeSearchSparseVector(t *testing.T) {
	//t.Skip("Waiting for support range search")
	ctx := hp.CreateContext(t, time.Second*common.DefaultTimeout*2)
	mc := createDefaultMilvusClient(ctx, t)

	prepare, schema := hp.CollPrepare.CreateCollection(ctx, t, mc, hp.NewCreateCollectionParams(hp.Int64VarcharSparseVec), hp.TNewFieldsOption(), hp.TNewSchemaOption().
		TWithEnableDynamicField(true))
	prepare.CreateIndex(ctx, t, mc, hp.TNewIndexParams(schema))
	prepare.Load(ctx, t, mc, hp.NewLoadParams(schema.CollectionName))
	prepare.InsertData(ctx, t, mc, hp.NewInsertParams(schema), hp.TNewDataOption().TWithSparseMaxLen(128))
	prepare.FlushData(ctx, t, mc, schema.CollectionName)

	// range search
	queryVec := hp.GenSearchVectors(common.DefaultNq, common.DefaultDim, entity.FieldTypeSparseVector)

	resRange, errSearch := mc.Search(ctx, client.NewSearchOption(schema.CollectionName, common.DefaultLimit, queryVec).WithSearchParam("drop_ratio_search", "0.2"))
	common.CheckErr(t, errSearch, true)
	require.Len(t, resRange, common.DefaultNq)
	for _, res := range resRange {
		log.Info("default search", zap.Any("score", res.Scores))
	}

	radius := 10
	rangeFilter := 30
	resRange, errSearch = mc.Search(ctx, client.NewSearchOption(schema.CollectionName, common.DefaultLimit, queryVec).
		WithSearchParam("drop_ratio_search", "0.2").WithSearchParam("radius", strconv.Itoa(radius)).WithSearchParam("range_filter", strconv.Itoa(rangeFilter)))
	common.CheckErr(t, errSearch, true)
	common.CheckErr(t, errSearch, true)
	require.Len(t, resRange, common.DefaultNq)
	for _, res := range resRange {
		log.Info("range search", zap.Any("score", res.Scores))
	}
	for _, res := range resRange {
		for _, s := range res.Scores {
			log.Debug("aaa", zap.Float32("score", s))
			require.GreaterOrEqual(t, s, float32(10))
			require.Less(t, s, float32(30))
		}
	}
}

Expected Behavior

No response

Steps To Reproduce

zong-go-go-milvus-standalone-5757bdf6f6-p6hw9

Milvus Log

No response

Anything else?

No response

[yanliang567]

/unassign