Returns the string or text sent as argument to the function, except when the value is null, in which case returns null.

1 string.trim2null

<string.trim2null>
    <value /> !
</string.trim2null>

Arguments
Name	Type	Required	Unique	Nullable	Description
Evalue	string

Returns
Type	Description
string	Returns null if the value passed is null and if not, the value passed to the function.

Exceptions

requires 1 arguments, received: ...

The entry parameter has not been specified.

Example

Apply the function to a string of characters and to a null value.

Copy

<xsql-script name='string_trim2null'>
    <body>
        <set name='a'><string.trim2null>STR1</string.trim2null></set>

        <println><a/></println>

        <set name='b'><string.trim2null>null</string.trim2null></set>

        <println><b/></println>
    </body>
</xsql-script>

Returns:

Copy

STR1
null