session: set process info before building plan

[wshwsh12]

What problem does this PR solve?

Issue Number: close #22068

Problem Summary:
Uncorrelated subqueries will execute once when building plan, and it maybe cost much time. So we set process info before building plan, to trace the running time and info.

What is changed and how it works?

Proposal: xxx

What's Changed:

How it Works:

Related changes

• Need to cherry-pick to the release branch 4.0,5.0

Check List

Tests

• Manual test (add detailed scripts or steps below)
  Session 1:
  select 1 from t where a = (select sleep(30));
  Session 2:

[tidb]> show processlist;
+------+------+-----------+------+---------+------+------------+----------------------------------------------+
| Id   | User | Host      | db   | Command | Time | State      | Info                                         |
+------+------+-----------+------+---------+------+------------+----------------------------------------------+
|    3 | root | 127.0.0.1 | test | Query   |    6 | autocommit | select 1 from t where a = (select sleep(30)) |
|    5 | root | 127.0.0.1 | NULL | Query   |    0 | autocommit | show processlist                             |
+------+------+-----------+------+---------+------+------------+----------------------------------------------+
2 rows in set (0.000 sec)

Side effects

Release note

• Show process info when building plan.

[sre-bot]

No release note, Please follow https://github.com/pingcap/community/blob/master/contributors/release-note-checker.md

[lzmhhh123]

LGTM

[XuHuaiyu]

LGTM

[XuHuaiyu]

/merge

[ti-srebot]

Your auto merge job has been accepted, waiting for:

• 21911

[ti-srebot]

/run-all-tests

[wshwsh12]

/merge

[ti-srebot]

/run-all-tests

[ti-srebot]

@wshwsh12 merge failed.

[wshwsh12]

/merge

[ti-srebot]

/run-all-tests

[ti-srebot]

cherry pick to release-4.0 in PR #22148

[ti-srebot]

cherry pick to release-5.0-rc in PR #22149