Functions
This page provides links to the standard function set of XQuery, as well as hundreds of additional functions organized, which are packaged in various modules.
The namespaces of all modules are statically bound to the given prefix, which means they need not (but may) be declared in the query prolog.
Standard Functions
Name | Prefix | Description |
---|---|---|
Standard | fn |
Functions in the default namespace. |
Map | map |
Functions for handling maps. |
Array | array |
Functions for handling arrays. |
Math | math |
Mathematical operations. |
Core Functions
Removed: The Hashing Functions were completely removed in favor of the new fn:hash
function.
Name | Prefix | Description |
---|---|---|
Admin | admin |
Functions restricted to admin users. |
Archive | archive |
Creating and processing ZIP archives. |
Binary | bin |
Processing binary data. |
Client | client |
Executing commands and queries on remote BaseX servers. |
Conversion | convert |
Converting data (binary, numeric) to other formats. |
Cryptography | crypto |
Cryptographic functions. |
CSV | csv |
Functions for processing CSV input. |
Database | db |
Functions for accessing and updating databases. |
Fetch | fetch |
Functions for fetching resources identified by URIs. |
File | file |
Processing files. |
Full-Text | ft |
Functions for performing full-text operations. |
Higher-Order | hof |
Additional higher-order functions that are not in the standard libraries. |
HTML | html |
Functions for converting HTML input to XML documents. |
HTTP Client | http |
Sending HTTP requests. |
Index | index |
Functions for requesting details on database indexes. |
Inspection | inspect |
Functions for extracting internal module information. |
Job | job |
Organization of running commands and queries. |
JSON | json |
Parsing and serializing JSON documents. |
Lazy | lazy |
Functions for handling lazy items. |
Process | proc |
Executing system commands from XQuery. |
Profiling | prof |
Functions for profiling code snippets. |
Random | random |
Functions for creating random numbers. |
Repository | repo |
Installing, deleting and listing packages. |
SQL | sql |
JDBC bridge to access relational databases. |
Store | store |
Organize values in a main-memory key-value store. |
String | string |
Functions for performing string computations. |
Unit | unit |
Unit testing framework. |
Update | update |
Functions for performing updates. |
User | user |
Creating and administering database users. |
Utility | util |
Various utility and helper functions. |
Validation | validate |
Validating documents: DTDs, XML Schema, RelaxNG. |
Web | web |
Convenience functions for building web applications. |
XQuery | xquery |
Evaluating new XQuery expressions at runtime. |
XSLT | xslt |
Stylesheet transformations, based on Java’s and Saxon’s XSLT processor. |
API Functions
The following modules are available if the basex-api
library is included in the classpath. This is the case if you start BaseX with one of the startup scripts or links provided by our complete distributions (zip, exe, war).
Name | Prefix | Description |
---|---|---|
Request | request |
Server-side functions for handling HTTP Request data. |
RESTXQ | rest |
Helper functions for the RESTXQ API. |
Session | session |
Functions for handling server-side HTTP Sessions. |
Sessions | sessions |
Functions for managing all server-side HTTP Sessions. |
WebSocket | ws |
Functions for handling WebSocket connections. |
Changelog
Version 11.0- Removed: Hashing Module, in favor of the new
fn:hash
function.
- Removed: ZIP Module; Geo Module; Output Module (incorporated in String Functions)
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