Add deepsource analyze

[zhouqiang-cl]

Signed-off-by: Qiang Zhou zhouqiang.cl@gmail.com

What problem does this PR solve?

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Code changes

• Has configuration change
• Has HTTP API interfaces change (Don't forget to add the declarative for API)
• Has persistent data change

Side effects

• Possible performance regression
• Increased code complexity
• Breaking backward compatibility

Related changes

• PR to update pingcap/docs/pingcap/docs-cn:
• PR to update pingcap/tidb-ansible:
• Need to cherry-pick to the release branch

Release note

• No release note

[rleungx]

/merge

[ti-chi-bot]

@rleungx: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the tidb-community-bots/ti-community-prow repository.

[ti-chi-bot]

Can merge label has been added.

Git tree hash: b15c3a3

[rleungx]

/run-unit-tests

[ti-chi-bot]

@zhouqiang-cl: Your PR has out-of-dated and I have automatically updated it for you.
At the same time I will also trigger all tests for you:

/run-all-tests

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the tidb-community-bots/ti-community-prow repository.

[rleungx]

/run-integration-ddl-test

[zhouqiang-cl]

/run-integration-ddl-test

[codecov]

Codecov Report

Merging #3271 (8bda4c0) into master (0ea4713) will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3271   +/-   ##
=======================================
  Coverage   73.97%   73.97%           
=======================================
  Files         242      242           
  Lines       23029    23029           
=======================================
+ Hits        17035    17036    +1     
  Misses       4414     4414           
+ Partials     1580     1579    -1     

Flag	Coverage Δ
unittests	73.97% <ø> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/etcdutil/etcdutil.go	80.88% <0.00%> (-4.42%)	⬇️
server/schedule/region_scatterer.go	80.61% <0.00%> (-3.58%)	⬇️
server/election/leadership.go	78.75% <0.00%> (-2.50%)	⬇️
server/grpc_service.go	54.62% <0.00%> (-0.52%)	⬇️
client/client.go	64.36% <0.00%> (-0.38%)	⬇️
server/server.go	73.29% <0.00%> (-0.32%)	⬇️
server/cluster/cluster.go	80.65% <0.00%> (+0.12%)	⬆️
server/tso/allocator_manager.go	76.00% <0.00%> (+0.60%)	⬆️
server/schedule/operator_controller.go	80.68% <0.00%> (+0.76%)	⬆️
server/core/storage.go	68.80% <0.00%> (+0.79%)	⬆️
... and 4 more

---

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[HunDunDM]

Please update the description.

[nolouch]

/run-cherry-picker

[ti-srebot]

cherry pick to release-3.0 in PR #3294

[ti-srebot]

cherry pick to release-4.0 in PR #3295