docs: add VACUUM VIRTUAL COLUMN SQL reference (#3175)

Author: sundy-li

docs/cn/sql-reference/10-sql-commands/50-administration-cmds/10-vacuum-virtual-column.md

@@ -0,0 +1,19 @@
+---
+title: VACUUM VIRTUAL COLUMN
+---
+
+删除某张表过期的虚拟列文件。
+
+:::note
+此命令需要虚拟列企业版功能。
+:::
+
+## 语法
+
+```sql
+VACUUM VIRTUAL COLUMN FROM [ <catalog_name>. ][ <database_name>. ]<table_name>
+```
+
+## 输出
+
+返回被删除文件的数量。

docs/cn/sql-reference/10-sql-commands/50-administration-cmds/index.md

@@ -43,6 +43,7 @@ title: 管理命令
 | **[VACUUM TABLE](09-vacuum-table.md)** | 回收表的存储空间 |
 | **[VACUUM DROP TABLE](09-vacuum-drop-table.md)** | 清理已删除表的数据 |
 | **[VACUUM TEMP FILES](09-vacuum-temp-files.md)** | 移除临时文件 |
+| **[VACUUM VIRTUAL COLUMN](10-vacuum-virtual-column.md)** | 删除过期的虚拟列文件 |
 | **[SHOW INDEXES](show-indexes.md)** | 显示表索引（Index） |
 
 ## 动态执行

docs/en/sql-reference/10-sql-commands/50-administration-cmds/10-vacuum-virtual-column.md

@@ -0,0 +1,19 @@
+---
+title: VACUUM VIRTUAL COLUMN
+---
+
+Removes obsolete virtual column files for a table.
+
+:::note
+This command requires the virtual column enterprise feature.
+:::
+
+## Syntax
+
+```sql
+VACUUM VIRTUAL COLUMN FROM [ <catalog_name>. ][ <database_name>. ]<table_name>
+```
+
+## Output
+
+Returns the number of removed files.

docs/en/sql-reference/10-sql-commands/50-administration-cmds/index.md

@@ -43,6 +43,7 @@ This page provides reference information for the system administration commands
 | **[VACUUM TABLE](09-vacuum-table.md)** | Reclaim storage space from tables |
 | **[VACUUM DROP TABLE](09-vacuum-drop-table.md)** | Clean up dropped table data |
 | **[VACUUM TEMP FILES](09-vacuum-temp-files.md)** | Remove temporary files |
+| **[VACUUM VIRTUAL COLUMN](10-vacuum-virtual-column.md)** | Remove obsolete virtual column files |
 | **[SHOW INDEXES](show-indexes.md)** | Display table indexes |
 
 ## Dynamic Execution