dba/databases  library module

RA

Summary

Authors

• Christian Grün, BaseX Team 2005-23, BSD License

Imports

This module is imported by 0 modules. It imports 1 modules.

Variables

None

Functions

function dba:db-query(
  $name      as xs:string,
  $resource  as xs:string,
  $query     as xs:string?
) as xs:string {
  util:query(
    if($query) then $query else '.',
    let $type := db:type($name, $resource)
    return head(if($type = 'xml') then (
      db:get($name, $resource)
    ) else if($type = 'binary') then (
      db:get-binary($name, $resource)
    ) else (
      db:get-value($name, $resource)
    ))
  )
}

Namespaces

The following namespaces are defined:

Source Code

(:~
 : Query resources.
 :
 : @author Christian Grün, BaseX Team 2005-23, BSD License
 :)
module namespace dba = 'dba/databases';

import module namespace util = 'dba/util' at '../../lib/util.xqm';

(:~
 : Runs a query on a document and returns the result as string.
 : @param  $name      name of database
 : @param  $resource  resource
 : @param  $query     query
 : @return result string
 :)
declare
  %rest:POST('{$query}')
  %rest:path('/dba/db-query')
  %rest:query-param('name',     '{$name}')
  %rest:query-param('resource', '{$resource}')
  %rest:single
  %output:method('text')
function dba:db-query(
  $name      as xs:string,
  $resource  as xs:string,
  $query     as xs:string?
) as xs:string {
  util:query(
    if($query) then $query else '.',
    let $type := db:type($name, $resource)
    return head(if($type = 'xml') then (
      db:get($name, $resource)
    ) else if($type = 'binary') then (
      db:get-binary($name, $resource)
    ) else (
      db:get-value($name, $resource)
    ))
  )
};