enhance: Add `metautil.Channel` to convert string compare to int

[congqixia]

See also #32748

This PR:

• Add metautil.Channel utiltiy which convert virtual name to physical channel name, collectionID and shard idx
• Add channel mapper interface & implementation to convert limited physical channel name into int index
• Apply metautil.Channel filter in querynode segment manager logic

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[codecov[bot]]

Codecov Report

Attention: Patch coverage is 82.47423% with 17 lines in your changes are missing coverage. Please review.

Project coverage is 81.74%. Comparing base (600db9d) to head (836d138). Report is 21 commits behind head on master.

Additional details and impacted files

[](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?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 #32749 +/- ## ========================================== - Coverage 81.77% 81.74% -0.04% ========================================== Files 1001 1002 +1 Lines 125359 125437 +78 ========================================== + Hits 102508 102534 +26 - Misses 18966 18996 +30 - Partials 3885 3907 +22 ``` | [Files](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?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/querynodev2/segments/segment\_loader.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?src=pr&el=tree&filepath=internal%2Fquerynodev2%2Fsegments%2Fsegment_loader.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcXVlcnlub2RldjIvc2VnbWVudHMvc2VnbWVudF9sb2FkZXIuZ28=) | `71.84% <100.00%> (ø)` | | | [internal/querynodev2/services.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?src=pr&el=tree&filepath=internal%2Fquerynodev2%2Fservices.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcXVlcnlub2RldjIvc2VydmljZXMuZ28=) | `90.61% <100.00%> (ø)` | | | [internal/querynodev2/segments/segment\_l0.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?src=pr&el=tree&filepath=internal%2Fquerynodev2%2Fsegments%2Fsegment_l0.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcXVlcnlub2RldjIvc2VnbWVudHMvc2VnbWVudF9sMC5nbw==) | `64.86% <50.00%> (-1.34%)` | :arrow_down: | | [internal/querynodev2/segments/manager.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?src=pr&el=tree&filepath=internal%2Fquerynodev2%2Fsegments%2Fmanager.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcXVlcnlub2RldjIvc2VnbWVudHMvbWFuYWdlci5nbw==) | `76.03% <50.00%> (-0.45%)` | :arrow_down: | | [internal/querynodev2/segments/segment.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?src=pr&el=tree&filepath=internal%2Fquerynodev2%2Fsegments%2Fsegment.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-aW50ZXJuYWwvcXVlcnlub2RldjIvc2VnbWVudHMvc2VnbWVudC5nbw==) | `66.83% <75.00%> (-0.25%)` | :arrow_down: | | [pkg/util/metautil/channel.go](https://app.codecov.io/gh/milvus-io/milvus/pull/32749?src=pr&el=tree&filepath=pkg%2Futil%2Fmetautil%2Fchannel.go&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io#diff-cGtnL3V0aWwvbWV0YXV0aWwvY2hhbm5lbC5nbw==) | `89.83% <89.83%> (ø)` | | ... and [28 files with indirect coverage changes](https://app.codecov.io/gh/milvus-io/milvus/pull/32749/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=milvus-io)

[xiaofan-luan]

/lgtm /approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, xiaofan-luan

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - ~~[internal/querynodev2/OWNERS](https://github.com/milvus-io/milvus/blob/master/internal/querynodev2/OWNERS)~~ [congqixia,xiaofan-luan] - ~~[pkg/util/OWNERS](https://github.com/milvus-io/milvus/blob/master/pkg/util/OWNERS)~~ [congqixia,xiaofan-luan] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

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[weiliu1031]

/lgtm