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Add doc about next_row_id and profiles
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update toc
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Merge branch 'docs-special-week' into new_gram
yikeke 350ffa2
Merge branch 'docs-special-week' into new_gram
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| --- | ||
| title: SHOW PROFILES | ||
| summary: TiDB 数据库中 SHOW PROFILES 的使用概况。 | ||
| category: reference | ||
| --- | ||
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| # SHOW PROFILES | ||
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| `SHOW PROFILES` 语句目前只会返回空结果。 | ||
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| ## 语法图 | ||
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| **ShowStmt:** | ||
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|  | ||
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| ## 示例 | ||
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| {{< copyable "sql" >}} | ||
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| ```sql | ||
| SHOW PROFILES | ||
| ``` | ||
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| ``` | ||
| Empty set (0.00 sec) | ||
| ``` | ||
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| --- | ||
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| title: SHOW TABLE NEXT_ROW_ID | ||
| summary: TiDB 数据库中 SHOW TABLE NEXT_ROW_ID 的使用概况。 | ||
| category: reference | ||
| --- | ||
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| # SHOW TABLE NEXT_ROW_ID | ||
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| `SHOW TABLE NEXT_ROW_ID` 语句用于显示用表中某些特殊列的详情,主要包含以下几种类型: | ||
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| * TiDB 创建的 `AUTO_INCREMENT` 类型列,即 `_tidb_rowid` 列 | ||
| * 用户创建的 `AUTO_INCREMENT` 类型列 | ||
| * 用户创建的 [`AUTO_RANDOM`](/auto-random.md) 类型列 | ||
| * 用户创建的 [`SEQUENCE`](/sql-statements/sql-statement-create-sequence.md) 对象信息 | ||
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| ## 语法图 | ||
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| **ShowStmt:** | ||
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|  | ||
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| ## 示例 | ||
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| + 创建一张表 | ||
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| {{< copyable "sql" >}} | ||
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| ```sql | ||
| CREATE TABLE t1 (a INT); | ||
| ``` | ||
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| ``` | ||
| Query OK, 0 rows affected (0.12 sec) | ||
| ``` | ||
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| + 执行 SHOW 语句 | ||
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| {{< copyable "sql" >}} | ||
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| ```sql | ||
| SHOW TABLE T1 NEXT_ROW_ID; | ||
| ``` | ||
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| ``` | ||
| +---------+------------+-------------+--------------------+----------------+ | ||
| | DB_NAME | TABLE_NAME | COLUMN_NAME | NEXT_GLOBAL_ROW_ID | ID_TYPE | | ||
| +---------+------------+-------------+--------------------+----------------+ | ||
| | test | T1 | _tidb_rowid | 1 | AUTO_INCREMENT | | ||
| +---------+------------+-------------+--------------------+----------------+ | ||
| 1 row in set (0.01 sec) | ||
| ``` | ||
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| ## 另请参阅 | ||
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| * [CREATE TABLE](/sql-statements/sql-statement-create-table.md) | ||
| * [AUTO_RANDOM](/auto-random.md) | ||
| * [CREATE_SEQUENCE](/sql-statements/sql-statement-create-sequence.md) | ||
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