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The following commit(s) were added to refs/heads/master by this push:
new 4d7fad3c5f1 fix
4d7fad3c5f1 is described below
commit 4d7fad3c5f132be57a4d8cd0274649576d7e4f1a
Author: jiafeng.zhang <zhang...@gmail.com>
AuthorDate: Tue Oct 11 14:57:39 2022 +0800
fix
---
docs/advanced/alter-table/schema-change.md | 2 ++
.../Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md | 2 +-
.../current/advanced/alter-table/schema-change.md | 2 ++
.../Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md | 2 +-
4 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/docs/advanced/alter-table/schema-change.md
b/docs/advanced/alter-table/schema-change.md
index 43488665a24..3e44bbb6ba8 100644
--- a/docs/advanced/alter-table/schema-change.md
+++ b/docs/advanced/alter-table/schema-change.md
@@ -175,6 +175,8 @@ At the same time, columns that already exist in the Base
table are not allowed t
Modifying the Key column of a table is done through the `key` keyword. Let's
take a look at an example below.
+**This usage is only for the key column of the duplicate key table**
+
Source Schema :
```text
diff --git
a/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
b/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
index 308ede9f649..a4c106523d7 100644
---
a/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
+++
b/docs/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
@@ -215,7 +215,7 @@ ADD COLUMN v2 INT MAX DEFAULT "0" AFTER k2 TO
example_rollup_index,
ORDER BY (k3,k1,k2,v2,v1) FROM example_rollup_index;
```
-11. Modify the length of a field in the Key column
+11. Modify the length of a field in the Key column of the Duplicate key table
```sql
alter table example_tbl modify column k3 varchar(50) key null comment 'to 50'
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/advanced/alter-table/schema-change.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/advanced/alter-table/schema-change.md
index bbf6614ff67..a9c3b867262 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/advanced/alter-table/schema-change.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/advanced/alter-table/schema-change.md
@@ -185,6 +185,8 @@ ADD COLUMN k5 INT default "1" to rollup2;
修改表的 Key 列是通过 `key` 关键字完成，下面我们通过一个例子来看。
+**这个用法只针对 duplicate key 表的 key 列**
+
源 Schema :
```text
diff --git
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
index c796eb1feff..3f3e96db858 100644
---
a/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
+++
b/i18n/zh-CN/docusaurus-plugin-content-docs/current/sql-manual/sql-reference/Data-Definition-Statements/Alter/ALTER-TABLE-COLUMN.md
@@ -215,7 +215,7 @@ ADD COLUMN v2 INT MAX DEFAULT "0" AFTER k2 TO
example_rollup_index,
ORDER BY (k3,k1,k2,v2,v1) FROM example_rollup_index;
```
-11. 修改 Key 列的某个字段的长度
+11. 修改Duplicate key 表 Key 列的某个字段的长度
```sql
alter table example_tbl modify column k3 varchar(50) key null comment 'to 50'
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