- XQuery Tutorial
- XQuery - Home
- XQuery - Overview
- XQuery - Environment Setup
- XQuery - First Application
- XQuery - FLWOR
- XQuery - HTML Format
- XQuery - XPath
- XQuery - Sequences
- XQuery - Sequence Functions
- XQuery - String functions
- XQuery - Date Functions
- XQuery - Regular Expressions
- XQuery - If Then Else
- XQuery - Custom Functions
- XQuery Useful Resources
- XQuery - Quick Guide
- XQuery - Useful Resources
- XQuery - Discussion
XQuery - string-join Function
The string-join function is used to concatenate various sequences separated by a given delimiter.
Syntax
string-join($sequence as xs:string*, $delimiter as xs:string) as xs:string
Input Parameters
$sequence − sequence of zero or more strings.
$delimiter − delimiter to separate the items of above sequence.
Example
XQuery Expression
let $fruits := <fruits> <fruit>Apple</fruit> <fruit>Orange</fruit> <fruit>Guava</fruit> <fruit>Pinapple</fruit> </fruits> return <results> <fruits>{ string-join($fruits/fruit, ',') }</fruits> </results>
Output
<results> <fruits>Apple,Orange,Guava,Pinapple</fruits> </results>
Verify the Result
In order to test the above-mentioned functionality, replace the contents of books.xqy (mentioned in Environment Setup chapter) with the above XQuery expression and execute the XQueryTester java program to verify the result.
xquery_string_functions.htm
Advertisements