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

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ti-chi-bot merged 4 commits into from
Sep 20, 2026
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docs: fix sync-diff-inspector limitations in migration tools (#23887) #23903

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docs: fix sync-diff-inspector limitations in migration tools
doc-claw-bot Sep 16, 2026
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Update migration-tools.md
qiancai Sep 20, 2026
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Update migration-tools.md
qiancai Sep 20, 2026
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Update migration-tools.md
qiancai Sep 20, 2026
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4 changes: 1 addition & 3 deletions migration-tools.md
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Expand Up @@ -81,9 +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**:
- Online check is not supported for data migration between MySQL and TiDB.
- JSON, BIT, BINARY, BLOB and other types of data are not supported.
- **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

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