[Bug]: Query return failed when running GO-SDK CI

[chyezh]

Is there an existing issue for this?

• I have searched the existing issues

Environment

- Milvus version: master-4355b485e54f254c30ca1fe67c1262fca6d6c649
- Deployment mode(standalone or cluster):
- MQ type(rocksmq, pulsar or kafka):    
- SDK version(e.g. pymilvus v2.0.0rc2):
- OS(Ubuntu or CentOS): 
- CPU/Memory: 
- GPU: 
- Others:

Current Behavior

https://jenkins.milvus.io:18080/blue/organizations/jenkins/Milvus%20HA%20CI(go-sdk)/detail/PR-38677/31/pipeline/80

2025-01-10T04:50:27Z {container="step-test"} Error Trace:	/milvus/tests/go_client/common/response_checker.go:28

2025-01-10T04:50:27Z {container="step-test"} /milvus/tests/go_client/testcases/load_release_test.go:337

2025-01-10T04:50:27Z {container="step-test"} Error:      	Error "fail to Query on QueryNode 1: worker(1) query failed: St12out_of_range :unordered_map::at" does not contain "field dynamicNumber cannot be returned since dynamic field not loaded"

2025-01-10T04:50:27Z {container="step-test"} Test:       	TestLoadSkipDynamicField

2025-01-10T04:50:27Z {container="step-test"} [2025/01/10 04:50:27.389 +00:00] [INFO] [base/milvus_client.go:32] [Request] [method=DropCollection] [reqs="{\"collection_name\":\"pre_gritIU\"}"]

2025-01-10T04:50:27Z {container="step-test"} [2025/01/10 04:50:27.484 +00:00] [INFO] [base/milvus_client.go:32] [Response] [method=DropCollection] [resp={}]

Expected Behavior

No response

Steps To Reproduce

No response

Milvus Log

No response

Anything else?

No response

[chyezh]

/assign

[chyezh]

Data race found at internal/core/src/segcore/SegmentSealedImpl.cpp
There's no mutex protected for unordered_map.
Should be implemented like following:

    std::shared_ptr<SingleChunkColumnBase> column;
    {
        std::shared_lock lck(mutex_);
        column = fields_.at(field_id);
    }