enhance: expose DescribeDatabase api in proxy

[weiliu1031]

issue: #32707

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@weiliu1031

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 88.54962% with 15 lines in your changes are missing coverage. Please review.

Project coverage is 81.79%. Comparing base (17a79f4) to head (f0f8c69). Report is 13 commits behind head on master.

Additional details and impacted files

[](https://app.codecov.io/gh/milvus-io/milvus/pull/32732?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io) ```diff @@ Coverage Diff @@ ## master #32732 +/- ## ======================================= Coverage 81.78% 81.79% ======================================= Files 1006 1006 Lines 126749 126845 +96 ======================================= + Hits 103664 103754 +90 + Misses 19147 19144 -3 - Partials 3938 3947 +9 ``` | [Files](https://app.codecov.io/gh/milvus-io/milvus/pull/32732?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io) | Coverage Δ | | |---|---|---| | [internal/distributed/proxy/service.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32732?src=pr&el=tree&filepath=internal%2Fdistributed%2Fproxy%2Fservice.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvZGlzdHJpYnV0ZWQvcHJveHkvc2VydmljZS5nbw==) | `84.06% <100.00%> (+0.04%)` | :arrow_up: | | [internal/proxy/task.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32732?src=pr&el=tree&filepath=internal%2Fproxy%2Ftask.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcHJveHkvdGFzay5nbw==) | `88.11% <ø> (-0.17%)` | :arrow_down: | | [internal/rootcoord/describe\_db\_task.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32732?src=pr&el=tree&filepath=internal%2Frootcoord%2Fdescribe_db_task.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcm9vdGNvb3JkL2Rlc2NyaWJlX2RiX3Rhc2suZ28=) | `86.66% <100.00%> (+0.95%)` | :arrow_up: | | [internal/proxy/impl.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32732?src=pr&el=tree&filepath=internal%2Fproxy%2Fimpl.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcHJveHkvaW1wbC5nbw==) | `86.43% <88.09%> (+0.01%)` | :arrow_up: | | [internal/proxy/task\_database.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32732?src=pr&el=tree&filepath=internal%2Fproxy%2Ftask_database.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcHJveHkvdGFza19kYXRhYmFzZS5nbw==) | `94.47% <88.37%> (-5.53%)` | :arrow_down: | ... and [25 files with indirect coverage changes](https://app.codecov.io/gh/milvus-io/milvus/pull/32732/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io)

[mergify[bot]]

@weiliu1031 ut workflow job failed, comment rerun ut can trigger the job again.

[mergify[bot]]

@weiliu1031 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[weiliu1031]

/run-cpu-e2e

[congqixia]

/cc @czs007

[czs007]

/approve /lgtm

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: czs007, weiliu1031

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Needs approval from an approver in each of these files: - ~~[OWNERS](https://github.com/milvus-io/milvus/blob/master/OWNERS)~~ [czs007] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[mergify[bot]]

@weiliu1031 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[weiliu1031]

/run-cpu-e2e

[mergify[bot]]

@weiliu1031 E2e jenkins job failed, comment /run-cpu-e2e can trigger the job again.

[weiliu1031]

/run-cpu-e2e