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🌐 Translate 03-udf.md to Simplified-Chinese
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docs/cn/sql-reference/10-sql-commands/00-ddl/10-udf/ddl-show-user-functions.md

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title: SHOW USER FUNCTIONS
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import FunctionDescription from '@site/src/components/FunctionDescription';
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<FunctionDescription description="Introduced or updated: v1.2.558"/>
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<FunctionDescription description="引入或更新于:v1.2.558"/>
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列出所有用户定义函数 (UDF),包括它们的名称、类型、描述、参数、语言和创建时间戳
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列出所有用户定义函数(User-Defined Function,UDF),包括标量函数(Scalar Function)、表函数(Table Function)、嵌入式函数(Embedded Function)和外部函数(External Function)
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## 语法
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```sql
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SHOW USER FUNCTIONS
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```
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## 输出列
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|| 描述 |
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|--------|-------------|
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| `name` | 函数名称 |
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| `is_aggregate` | 是否为聚合函数(对于 UDF 为 NULL) |
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| `description` | 函数描述(如果提供) |
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| `arguments` | 函数参数,以 JSON 格式表示 |
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| `language` | 编程语言:SQL、python、javascript、wasm 或 external |
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| `created_on` | 函数创建时间戳 |
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## 示例
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```sql

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