executor: fix show table status for the database with upper-cased name

[jackysp]

Signed-off-by: Shuaipeng Yu jackysp@gmail.com

What problem does this PR solve?

Issue Number: close #xxx

Problem Summary:
show table status does not work for a database with upper-cased name.

What is changed and how it works?

Proposal: xxx

What's Changed:

How it Works:
Fix it. Introduced by #22644

Related changes

• Need to cherry-pick to the release branch

Check List

Tests

• Unit test

Release note

• fix show table status for the database with upper-cased name.

[xhebox]

LGTM

[xhebox]

/cc @tiancaiamao

[jackysp]

PTAL @morgo , thx!

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• xhebox
• xiongjiwei

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 writing /lgtm in a comment.
Reviewer can cancel approval by writing /lgtm cancel in a comment.

[xiongjiwei]

/merge

[ti-chi-bot]

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

Commit hash: 74a8d65

[morgo]

/LGTM

Long term this should be implemented with collations of course.

[jackysp]

/merge

[jackysp]

Seems CI/bot is stopped.

[xhebox]

/run-all-tests

[jackysp]

[2021-04-11T14:32:13.821Z] FAIL: explainfor_test.go:73: testSerialSuite.TestExplainFor
[2021-04-11T14:32:13.821Z] 
[2021-04-11T14:32:13.821Z] explainfor_test.go:121:
[2021-04-11T14:32:13.821Z]     check()
[2021-04-11T14:32:13.821Z] explainfor_test.go:114:
[2021-04-11T14:32:13.821Z]     c.Assert(buf.String(), Matches, ""+
[2021-04-11T14:32:13.821Z]         "TableReader_5 10000.00 0 root  time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*} data:TableFullScan_4 N/A N/A\n"+
[2021-04-11T14:32:13.821Z]         "└─TableFullScan_4 10000.00 0 cop.* table:t1 tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A")
[2021-04-11T14:32:13.821Z] ... value string = "" +
[2021-04-11T14:32:13.821Z] ...     "TableReader_5 10000.00 0 root  time:3.03ms, loops:1, cop_task: {num: 1, max: 1.68ms, proc_keys: 0, tot_proc: 1ms, rpc_num: 1, rpc_time: 1.27ms, copr_cache_hit_ratio: 0.00} data:TableFullScan_4 N/A N/A\n" +
[2021-04-11T14:32:13.821Z] ...     "└─TableFullScan_4 10000.00 0 cop[tikv] table:t1 tikv_task:{time:0s, loops:0} keep order:false, stats:pseudo N/A N/A"
[2021-04-11T14:32:13.821Z] ... regex string = "" +
[2021-04-11T14:32:13.821Z] ...     "TableReader_5 10000.00 0 root  time:.*, loops:1, cop_task: {num:.*, max:.*, proc_keys: 0, rpc_num: 1, rpc_time:.*} data:TableFullScan_4 N/A N/A\n" +
[2021-04-11T14:32:13.821Z] ...     "└─TableFullScan_4 10000.00 0 cop.* table:t1 tikv_task:{time:.*, loops:0} keep order:false, stats:pseudo N/A N/A"

Test failed, not related to this PR.

[jackysp]

/merge

[jackysp]

/run-unit-test

[jackysp]

/run-unit-test

[jackysp]

/run-unit-test

[ti-srebot]

cherry pick to release-4.0 in PR #23958

[ti-srebot]

cherry pick to release-5.0 in PR #23959

[tiancaiamao]

/merge