executor: runWithSystemSession also copy snapshot status (#54989)

[ti-chi-bot]

This is an automated cherry-pick of #54989

What problem does this PR solve?

Issue Number: close #54964

Problem Summary:

What changed and how does it work?

introduced by #54791 . I'm not sure we should copy more status from user session to system session

Check List

Tests

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

  • I checked and no code files have been changed.

manually tested the steps in #54964 (comment) . It's strange that real tikv tests can't reproduce

mysql> use test
Database changed
mysql> create table t(c int);
Query OK, 0 rows affected (0.05 sec)

mysql> create view v as select * from t;
Query OK, 0 rows affected (0.04 sec)

mysql> set @@tidb_snapshot = NOW();
Query OK, 0 rows affected (0.01 sec)

mysql> begin;
Query OK, 0 rows affected (0.00 sec)

mysql> show columns in v;
+-------+---------+------+------+---------+-------+
| Field | Type    | Null | Key  | Default | Extra |
+-------+---------+------+------+---------+-------+
| c     | int(11) | YES  |      | NULL    |       |
+-------+---------+------+------+---------+-------+
1 row in set (0.00 sec)

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: lance6716, wjhuang2016

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2024-07-29 11:11:29.804212666 +0000 UTC m=+181406.084260727: ☑️ agreed by lance6716.
• 2024-07-29 11:25:01.441908199 +0000 UTC m=+182217.721956522: ☑️ agreed by wjhuang2016.

[lance6716]

/retest