executor , store: fix golangci-lint error when make dev

[hecomlilong]

fix error of unnecessary use of fmt.Sprintf (gosimple) and ineffectual assignment to err (ineffassign)

What problem does this PR solve?

Problem Summary:

What is changed and how it works?

What's Changed:

fmt.Sprintf("select * from t") => "select * from t"
_, cluster, pdClient, err := testutils.NewMockTiKV("", nil) => _, cluster, pdClient, _ := testutils.NewMockTiKV("", nil)

How it Works:

Related changes

• Need to cherry-pick to the release branch

Tests

• Unit test

Side effects

• Performance regression

• Breaking backward compatibility

Release note

• No release note

[ngaut]

LGTM

[mmyj]

lgtm

[hecomlilong]

/cc @AilinKid
Hi AilinKid,
Would you please review this tiny fix for me?
Appreciate greatly.

[hecomlilong]

/cc @AilinKid @AndreMouche @Reminiscent @SunRunAway @Tjianke @TszKitLo40 @XuHuaiyu @Yisaer @b41sh @bb7133 @bobotu @breeswish @cfzjywxk @coocood @crazycs520 @fzhedu @guo-shaoge @hanfei1991 @ichn-hu @imtbkcat @jackysp @js00070 @lysu @lzmhhh123 @pingyu @qw4990 @shenli @shihongzhi @tangenta @tangwz @tiancaiamao @tsthght @winkyao @winoros @wjhuang2016 @wshwsh12 @zimulala @zz-jason
Hi all,
Would you please review this tiny fix for me?
Appreciate greatly.
It's my first time PR, so it has a particular meaning and sorry for this annoying message.

[ti-chi-bot]

@hecomlilong: GitHub didn't allow me to request PR reviews from the following users: Tjianke, imtbkcat, js00070, pingyu, tsthght, TszKitLo40, b41sh, tangwz, bobotu, shihongzhi.

Note that only pingcap members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

/cc @AilinKid @AndreMouche @Reminiscent @SunRunAway @Tjianke @TszKitLo40 @XuHuaiyu @Yisaer @b41sh @bb7133 @bobotu @breeswish @cfzjywxk @coocood @crazycs520 @fzhedu @guo-shaoge @hanfei1991 @ichn-hu @imtbkcat @jackysp @js00070 @lysu @lzmhhh123 @pingyu @qw4990 @shenli @shihongzhi @tangenta @tangwz @tiancaiamao @tsthght @winkyao @winoros @wjhuang2016 @wshwsh12 @zimulala @zz-jason
Hi all,
Would you please review this tiny fix for me?
Appreciate greatly.
It's my first time PR, so it has a particular meaning and sorry for this annoying message.

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 kubernetes/test-infra repository.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• SunRunAway
• mmyj

To complete the pull request process, please ask the reviewers in the list to review by filling /cc @reviewer in the comment.
After your PR has acquired the required number of LGTMs, you can assign this pull request to the committer in the list by filling /assign @committer in the comment to help you merge this pull request.

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

Reviewer can indicate their review by submitting an approval review.
Reviewer can cancel approval by submitting a request changes review.

[SunRunAway]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: f2115eb

[TszKitLo40]

/lgtm

[ti-chi-bot]

@hecomlilong: Your PR was out of date, I have automatically updated it for you.

At the same time I will also trigger all tests for you:

/run-all-tests

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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 ti-community-infra/tichi repository.