---
title: "TIME_TO_SEC - OceanBase 数据库 V4.2.2 | OceanBase 文档中心"
description: "TIME_TO_SEC 声明 TIME_TO_SEC(time) 说明 将时间类型参数 time 转换为秒。 示例 obclient> SELECT TIME_TO_SEC('22:23:00'); +-------------------------+ | TIME_TO_SEC('22:23:00') | +--…"
---
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# TIME_TO_SEC

更新时间：2026-04-10 11:58:36

[编辑](https://github.com/oceanbase/oceanbase-doc/edit/V4.2.2/zh-CN/700.reference/500.sql-reference/100.sql-syntax/200.common-tenant-of-mysql-mode/400.functions-of-mysql-mode/200.single-row-functions-of-mysql-mode/100.date-and-time-functions-of-mysql-mode/4200.time-to-sec-of-mysql-mode.md)  

## 声明

```sql
TIME_TO_SEC(time)

```

## 说明

将时间类型参数 `time` 转换为秒。

## 示例

```sql
obclient> SELECT TIME_TO_SEC('22:23:00');
+-------------------------+
| TIME_TO_SEC('22:23:00') |
+-------------------------+
|                   80580 |
+-------------------------+
1 row in set

obclient> SELECT TIME_TO_SEC('00:39:38');
+-------------------------+
| TIME_TO_SEC('00:39:38') |
+-------------------------+
|                    2378 |
+-------------------------+
1 row in set

```

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