.drop function command
Applies to: ✅ Azure Data Explorer
Drops one or more functions from the database.
Permissions
You must have at least Function Admin permissions to run this command.
Syntax
.drop function FunctionName [ifexists]
.drop functions ( FunctionName [, ...] ) [ifexists]
Learn more about syntax conventions.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| FunctionName | string |
✔️ | The name of the function to drop. |
ifexists |
string |
If specified, the command won't fail if the function doesn't exist. |
Returns
When you drop a single function, the command returns the details of the removed function.
| Output parameter | Type | Description |
|---|---|---|
| Name | string |
The name of the function that was removed |
When you drop multiple functions, the command returns a list of the remaining functions in the database.
| Output parameter | Type | Description |
|---|---|---|
| Name | string |
The name of the function. |
| Parameters | string |
The parameters required by the function. |
| Body | string |
(Zero or more) let statements followed by a valid CSL expression that is evaluated upon function invocation. |
| Folder | string |
A folder used for UI functions categorization. This parameter doesn't change the way the function is invoked. |
| DocString | string |
A description of the function for UI purposes. |
Examples
Drop a single function
The following command drops the function MyFunction1. If such a function doesn't exist, the command fails.
.drop function MyFunction1
Drop multiple functions
The following command drops the functions named Function1, Function2, and Function3. If they don't exist, the command won't fail.
.drop functions (Function1, Function2, Function3) ifexists