tostring
The tostring
function converts the input to a value of type string
.
Syntax
tostring( Expression )
Arguments
- Expression: Expression to convert to a string.
Returns
If the Expression value is non-null, returns a string representation of Expression.
If the Expression value is null
, returns null
as well.
This is different from standard Kusto Query Language (KQL), in which
tostring
returns an empty string fornull
values.
Example
tostring(123)
returns"123"
tostring("hello")
returns"hello"
tostring(null)
returnsnull