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Chun Han b7ee93fc52
feat: support query aggregtion(#36380) (#44394) 
related: #36380

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
- Core invariant: aggregation is centralized and schema-aware — all
aggregate functions are created via the exec Aggregate registry
(milvus::exec::Aggregate) and validated by ValidateAggFieldType, use a
single in-memory accumulator layout (Accumulator/RowContainer) and
grouping primitives (GroupingSet, HashTable, VectorHasher), ensuring
consistent typing, null semantics and offsets across planner → exec →
reducer conversion paths (toAggregateInfo, Aggregate::create,
GroupingSet, AggResult converters).

- Removed / simplified logic: removed ad‑hoc count/group-by and reducer
code (CountNode/PhyCountNode, GroupByNode/PhyGroupByNode, cntReducer and
its tests) and consolidated into a unified AggregationNode →
PhyAggregationNode + GroupingSet + HashTable execution path and
centralized reducers (MilvusAggReducer, InternalAggReducer,
SegcoreAggReducer). AVG now implemented compositionally (SUM + COUNT)
rather than a bespoke operator, eliminating duplicate implementations.

- Why this does NOT cause data loss or regressions: existing data-access
and serialization paths are preserved and explicitly validated —
bulk_subscript / bulk_script_field_data and FieldData creation are used
for output materialization; converters (InternalResult2AggResult ↔
AggResult2internalResult, SegcoreResults2AggResult ↔
AggResult2segcoreResult) enforce shape/type/row-count validation; proxy
and plan-level checks (MatchAggregationExpression,
translateOutputFields, ValidateAggFieldType, translateGroupByFieldIds)
reject unsupported inputs (ARRAY/JSON, unsupported datatypes) early.
Empty-result generation and explicit error returns guard against silent
corruption.

- New capability and scope: end-to-end GROUP BY and aggregation support
added across the stack — proto (plan.proto, RetrieveRequest fields
group_by_field_ids/aggregates), planner nodes (AggregationNode,
ProjectNode, SearchGroupByNode), exec operators (PhyAggregationNode,
PhyProjectNode) and aggregation core (Aggregate implementations:
Sum/Count/Min/Max, SimpleNumericAggregate, RowContainer, GroupingSet,
HashTable) plus proxy/querynode reducers and tests — enabling grouped
and global aggregation (sum, count, min, max, avg via sum+count) with
schema-aware validation and reduction.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Signed-off-by: MrPresent-Han <chun.han@gmail.com>
Co-authored-by: MrPresent-Han <chun.han@gmail.com>
2026-01-06 16:29:25 +08:00
..
_helm
test: optimize ci test about compaction and flush (#46097)
2025-12-20 12:37:21 +08:00
benchmark
test: fix dependabot alerts (#44037)
2025-08-26 09:05:51 +08:00
docker
[automated] Update Pytest image changes (#37067)
2024-10-24 16:53:28 +08:00
go_client
feat: support query aggregtion(#36380) (#44394)
2026-01-06 16:29:25 +08:00
integration
enhance: Forbid writing V1 format and always use StorageV2 (#46791)
2026-01-06 11:55:23 +08:00
java_client
Replace sdk source and merge tests and tests20 (#7182)
2021-08-20 11:00:56 +08:00
python_client
feat: support query aggregtion(#36380) (#44394)
2026-01-06 16:29:25 +08:00
restful_client
test: add e2e-v2 helm for amd (#45621)
2025-11-20 13:45:11 +08:00
restful_client_v2
feat: Add nullable vector support for proxy and querynode (#46305)
2025-12-24 10:13:19 +08:00
scripts
test: upgrade minio sdk from 7.1.5 to 7.2.0 (#46186)
2025-12-09 11:39:12 +08:00
OWNERS
[skip ci]Update OWNERS files (#11898)
2021-11-16 15:41:11 +08:00
README_CN.md
enhance: use docker compose instead of docker-compose (#35208)
2024-08-02 19:32:32 +08:00
README.md
enhance: use docker compose instead of docker-compose (#35208)
2024-08-02 19:32:32 +08:00

README.md

Tests

E2E Test

Configuration Requirements

Operating System
Operating System Version
Amazon Linux 2023 or above
Ubuntu 20.04 or above
Mac 10.14 or above
Hardware
Hardware Type Recommended Configuration
CPU x86_64 architecture
Intel CPU Sandy Bridge or above
CPU Instruction Set
- SSE4_2
- AVX
- AVX2
- AVX512 or arm64 Linux/MacOS
Memory 16 GB or more
Software
Software Name Version
Docker 19.05 or above
Docker Compose 1.25.5 or above
jq 1.3 or above
kubectl 1.14 or above
helm 3.0 or above
kind 0.10.0 or above

Installing Dependencies

Troubleshooting Docker and Docker Compose
  1. Confirm that Docker Daemon is running：
$ docker info

  • Ensure that Docker is installed. Refer to the official installation instructions for Docker CE/EE.

  • Start the Docker Daemon if it is not already started.

  • To run Docker without root privileges, create a user group labeled docker, then add a user to the group with sudo usermod -aG docker $USER. Log out and log back into the terminal for the changes to take effect. For more information, see the official Docker documentation for Managing Docker as a Non-Root User.

  1. Check the version of Docker-Compose
$ docker compose version

docker compose version 1.25.5, build 8a1c60f6
docker-py version: 4.1.0
CPython version: 3.7.5
OpenSSL version: OpenSSL 1.1.1f  31 Mar 2020
Install jq
Install kubectl
Install helm
Install kind

Run E2E Tests

$ cd tests/scripts
$ ./e2e-k8s.sh

Getting help

You can get help with the following command:

$ ./e2e-k8s.sh --help