Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

delete the TiDB value of tidb_isolation_read_engines #17551

Closed
lzmhhh123 opened this issue Jun 1, 2020 · 0 comments · Fixed by #17556
Closed

delete the TiDB value of tidb_isolation_read_engines #17551

lzmhhh123 opened this issue Jun 1, 2020 · 0 comments · Fixed by #17556
Assignees
@lzmhhh123
Labels
compatibility-breaker Violation of forwards/backwards compatibility in a design-time piece. component/session type/enhancement The issue or PR belongs to an enhancement.
Milestone
v4.0.2

Comments

@lzmhhh123
Copy link
Contributor

Development Task

The system tables in information_schema and metrics_schema are in-memory tables of TiDB server. The queries of them are controlled by the value of tidb_isolation_read_engines("tidb"), which is very unfriendly for users. So we decide to delete it.
@lzmhhh123 lzmhhh123 added type/enhancement The issue or PR belongs to an enhancement. component/session labels Jun 1, 2020
@lzmhhh123 lzmhhh123 added this to the v4.0.1 milestone Jun 1, 2020
@lzmhhh123 lzmhhh123 self-assigned this Jun 1, 2020
@lzmhhh123 lzmhhh123 mentioned this issue Jun 1, 2020
Merged
@zz-jason zz-jason added the compatibility-breaker Violation of forwards/backwards compatibility in a design-time piece. label Jun 1, 2020
@sre-bot sre-bot mentioned this issue Jun 5, 2020
Merged
@zz-jason zz-jason modified the milestones: v4.0.1, v4.0.2 Jun 6, 2020
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Assignees

@lzmhhh123 lzmhhh123

Labels
compatibility-breaker Violation of forwards/backwards compatibility in a design-time piece. component/session type/enhancement The issue or PR belongs to an enhancement.
Projects
None yet
Milestone
v4.0.2
Development

Successfully merging a pull request may close this issue.

planner: isolation read do not filter system tables lzmhhh123/tidb
2 participants
@zz-jason @lzmhhh123