你当前正在访问 Microsoft Azure Global Edition 技术文档网站。 如果需要访问由世纪互联运营的 Microsoft Azure 中国技术文档网站，请访问 https://docs.azure.cn。
array_length()
Applies to: ✅ Microsoft Fabric ✅ Azure Data Explorer ✅ Azure Monitor ✅ Microsoft Sentinel
Calculates the number of elements in a dynamic array.
Deprecated aliases: arraylength()
Syntax
array_length(array)
Learn more about syntax conventions.
Parameters
| Name | Type | Required | Description |
|---|---|---|---|
| array | dynamic |
✔️ | The array for which to calculate length. |
Returns
Returns the number of elements in array, or null if array isn't an array.
Examples
The following example shows the number of elements in the array.
print array_length(dynamic([1, 2, 3, "four"]))
Output
| print_0 |
|---|
| 4 |