From 3447e040ed9fdae3985cb7d09cd7a48064ba1116 Mon Sep 17 00:00:00 2001 From: doc-claw-bot Date: Wed, 16 Sep 2026 03:29:03 +0000 Subject: [PATCH 1/4] docs: fix sync-diff-inspector limitations in migration tools --- migration-tools.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration-tools.md b/migration-tools.md index 133982cf917dc..099246ced8dfc 100644 --- a/migration-tools.md +++ b/migration-tools.md @@ -83,7 +83,7 @@ This document introduces the user scenarios, supported upstreams and downstreams - **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. + - Data type support varies by type. JSON, BLOB/VARBINARY, and BIT are supported. For FLOAT/DOUBLE and collation-related considerations, see [Restrictions of sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md). ## Install tools using TiUP From ebbf15cbc00ab5bb59354d230f54437a296d56b9 Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Sun, 20 Sep 2026 09:53:52 +0800 Subject: [PATCH 2/4] Update migration-tools.md --- migration-tools.md | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/migration-tools.md b/migration-tools.md index 099246ced8dfc..88abdb6d601e6 100644 --- a/migration-tools.md +++ b/migration-tools.md @@ -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. - - Data type support varies by type. JSON, BLOB/VARBINARY, and BIT are supported. For FLOAT/DOUBLE and collation-related considerations, see [Restrictions of sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md). +- **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 details, see [Restrictions of sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md#restrictions-of-sync-diff-inspector). ## Install tools using TiUP From 2ed75b5787ca9a05a66f128a6ad1fdce80cf2687 Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Sun, 20 Sep 2026 09:54:25 +0800 Subject: [PATCH 3/4] Update migration-tools.md --- migration-tools.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration-tools.md b/migration-tools.md index 88abdb6d601e6..2bc08cfd5f0a0 100644 --- a/migration-tools.md +++ b/migration-tools.md @@ -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 details, see [Restrictions of sync-diff-inspector](/sync-diff-inspector/sync-diff-inspector-overview.md#restrictions-of-sync-diff-inspector). +- **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). ## Install tools using TiUP From 1a6a416e5d0a3aa47b33825cf0cabd1da6babc26 Mon Sep 17 00:00:00 2001 From: Grace Cai Date: Sun, 20 Sep 2026 10:15:54 +0800 Subject: [PATCH 4/4] Update migration-tools.md --- migration-tools.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/migration-tools.md b/migration-tools.md index 2bc08cfd5f0a0..19c709cd34eb3 100644 --- a/migration-tools.md +++ b/migration-tools.md @@ -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