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Array<Xml> $XmlRepository.QueryXml(xquery: string)
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Array<Xml> $XmlRepository.QueryXml(xquery: string, parameters: object, collection: string)
Arguments
string xquery
Specifies the query to perform on the database. The syntax of the query is quite detailed. More information can be found on xquery standard page.
object parameters
Specifies the binding parameters on xquery string.
string collection
Specifies the collection name to query. If not specified, the domain database will be queried.
Remarks
If query does not return any result than return value is empty array.
The examples below shows how to query the domain databaseSee XML $Database page for further information about domain and process databases.
Example
Find all customers
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var results = $XmlRepository.Query('//Customer[Id=$id]', {
id : $Xml.Evaluate('CustomerId')
});
$Xml.InnerXml( 'Customers', results.join() ); |
| Info |
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If you want to query the database of a process, you can use the collection keyword. You have to give the name of the database which is a GUID. For process databases, you can have that GUID by $Instance.ProcessId. |
Example
Querying process database
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var results = $XmlRepository.QueryXml('collection("49551ed3-6229-408a-aaaa-eb510463acad")//Customer[Id=$id]', {
id : $Xml.Evaluate('CustomerId')
});
$Xml.InnerXml( 'Customers', results[0].Evaluate('Id') ); |
See Also
- $XmlRepository.Query
- XML+Database