Skip to content

docs: fix sync-diff-inspector limitations in migration tools (#23887) (#23903) #23906

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

Merged
ti-chi-bot merged 2 commits into from
Sep 20, 2026
Merged

docs: fix sync-diff-inspector limitations in migration tools (#23887) (#23903) #23906

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
d021768
This is an automated cherry-pick of #23903
ti-chi-bot Sep 20, 2026
742c71c
Update migration-tools.md
qiancai Sep 20, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion migration-tools.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -81,7 +81,7 @@ This document introduces the user scenarios, supported upstreams and downstreams
- **Upstream**: TiDB, MySQL
- **Downstream**: TiDB, MySQL
- **Advantages**: Can be used to repair data in the scenario where a small amount of data is inconsistent
- **Limitation**: sync-diff-inspector has some restrictions on online checks for data migration between MySQL and TiDB, comparisons of certain data types, and checking and repairing tables without a primary key or unique index. For more information, see [Restrictions of sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md#restrictions-of-sync-diff-inspector).
- **Limitation**: sync-diff-inspector does not support online checks for data migration between MySQL and TiDB. It also has limitations when comparing certain data types and repairing inconsistent data in tables without a primary key or unique index. For more information, see [Restrictions of sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md#restrictions-of-sync-diff-inspector).

## Install tools using TiUP

Expand Down
Loading