Help Center/ Data Lake Insight/ Spark SQL Syntax Reference/ User-Defined Functions/ Displaying Function Details
Updated on 2024-08-19 GMT+08:00
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Displaying Function Details

Function

Displays information about a specified function.

Syntax

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DESCRIBE FUNCTION [EXTENDED] [db_name.] function_name;

Keywords

EXTENDED: displays extended usage information.

Precautions

The metadata (implementation class and usage) of an existing function is returned. If the function does not exist, the system reports an error.

Example

Displays information about the mergeBill function.

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DESCRIBE FUNCTION mergeBill;
Parent topic: User-Defined Functions