store/helper, infoschema: fix the bug that cannot find down-peer

[HunDunDM]

Signed-off-by: HunDunDM hundundm@gmail.com

What problem does this PR solve?

Issue Number: close #24879

Problem Summary:

The STATUS field data in the TIKV_REGION_PEERS table is incorrect.

What is changed and how it works?

What's Changed: Fix wrong struct definition

kvproto/proto/pdpb.proto#L308

• Before

SELECT * FROM INFORMATION_SCHEMA.TIKV_REGION_PEERS WHERE PEER_ID=69;
+-----------+---------+----------+------------+-----------+--------+--------------+
| REGION_ID | PEER_ID | STORE_ID | IS_LEARNER | IS_LEADER | STATUS | DOWN_SECONDS |
+-----------+---------+----------+------------+-----------+--------+--------------+
|        54 |      69 |        1 |          0 |         0 | NORMAL |         NULL |
+-----------+---------+----------+------------+-----------+--------+--------------+

• After

SELECT * FROM INFORMATION_SCHEMA.TIKV_REGION_PEERS WHERE PEER_ID=69;
+-----------+---------+----------+------------+-----------+--------+--------------+
| REGION_ID | PEER_ID | STORE_ID | IS_LEARNER | IS_LEADER | STATUS | DOWN_SECONDS |
+-----------+---------+----------+------------+-----------+--------+--------------+
|        54 |      69 |        1 |          0 |         0 | DOWN   |          325 |
+-----------+---------+----------+------------+-----------+--------+--------------+

Related changes

• Need to cherry-pick to the release branch

Check List

Tests

• Unit test

Release note

• Fix the bug that TIKV_REGION_PEERS table did not have the correct DOWN status.

[HunDunDM]

/cc @winoros

[HunDunDM]

/label needs-cherry-pick-5.0
/label needs-cherry-pick-4.0

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[nolouch]

/lgtm

[ti-chi-bot]

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• nolouch
• winoros

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[Yisaer]

/merge

[ti-chi-bot]

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

Commit hash: c083911

[ti-chi-bot]

/run-all-tests

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[ti-srebot]

cherry pick to release-4.0 in PR #24918

[ti-srebot]

cherry pick to release-5.0 in PR #24919