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Array<string> $XmlRepository.Query(xquery: string)
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Array<string> $XmlRepository.Query(xquery: string, parameters: object, collection: string)
Arguments
string xquery
Specifies the query to perform on the database. The syntax of the query is quite detailed. More information can be found on xquery standard page
object parameters
Specifies the binding parameters on xquery string.
string xquery collection
Specifies the query to perform on the database. The syntax of the query is quite detailed. More information can be found on xquery standard page. ,
object parameters
Specifies the binding parameters on xquery stringcollection name to query. If not specified, the domain database will be queried.
If query does not return any result than return value is empty array.
The examples below shows how to query the domain database. To see how to query a process database check the latterexamples.
The syntax of the query is quite detailed. More information can be found on xquery standard page. ,
Example
Find all customers
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$XmlRepository.Query('let $nodeValue := fn:parse-xml-fragment($nodeValue)' +
'for $record in Relation[Id=$id]/RepHistory/RepHistoryRecord[InstanceId=$instanceId] return ' +
'(delete node $record)', {
id : relationId,
instanceId : $Xml.Evaluate('SelectedHistory/Id'),
nodeValue : $Xml.SelectSingle('.').InnerXml()
}); |
Example
Querying process database
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var results = $XmlRepository.Query('collection("49551ed3-6229-408a-aaaa-eb510463acad")//Customer[Id=$id]', {
id : $Xml.Evaluate('CustomerId')
});
$Xml.InnerXml( 'Customers', results[0].Evaluate('Id') ); |
If query does not return any result than return value is empty array.
The examples below shows how to query the domain database. To see how to query a process database check the latter examples.
Example
Find all customers
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var results = $XmlRepository.Query('//Customer');
$Xml.InnerXml( 'Customer', results.join() ); |
Example
Find customer by id
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var results = $XmlRepository.Query('//Customer[Id=$id]', {
id : $Xml.Evaluate('CustomerId')
});
$Xml.InnerXml( 'Customers', results.join() ); |
Example
Query Update
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$XmlRepository.Query('for $customer in //Customer[Id=$id] return replace value of node $customer/Name with "Lady Gaga"', {
id : $Xml.Evaluate('CustomerId')
}); |
Example
Query Insert
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$XmlRepository.Query('insert node (<Kaynak><Id>{$newId}</Id><Ad>{$newName}</Ad></Kaynak>) as last into /KVKEnvanter/Tanimlar/Kaynaklar', {
newId: newId,
newName: name.trim()
}); |
Example
Query Delete
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$XmlRepository.Query('let $nodeValue := fn:parse-xml-fragment($nodeValue)' +
'for $record in Relation[Id=$id]/RepHistory/RepHistoryRecord[InstanceId=$instanceId] return ' +
'(delete node $record)', {
id : relationId,
instanceId : $Xml.Evaluate('SelectedHistory/Id'),
nodeValue : $Xml.SelectSingle('.').InnerXml()
});| 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
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Querying process database
var results = $XmlRepository.Query('collection("49551ed3-6229-408a-aaaa-eb510463acad")//Customer[Id=$id]', {
id : $Xml.Evaluate('CustomerId')
});
$Xml.InnerXml( 'Customers', results[0].Evaluate('Id') ); |
Examples
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var results = $XmlRepository.Query('//Customer');
$Xml.InnerXml( 'Customer', results.join() ); |
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var results = $XmlRepository.Query('//Customer[Id=$id]', {
id : $Xml.Evaluate('CustomerId')
});
$Xml.InnerXml( 'Customers', results.join() ); |
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$XmlRepository.Query('for $customer in //Customer[Id=$id] return replace value of node $customer/Name with "Lady Gaga"', {
id : $Xml.Evaluate('CustomerId')
}); |
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$XmlRepository.Query('insert node (<Kaynak><Id>{$newId}</Id><Ad>{$newName}</Ad></Kaynak>) as last into /KVKEnvanter/Tanimlar/Kaynaklar', {
newId: newId,
newName: name.trim()
}); |
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$XmlRepository.Query('let $nodeValue := fn:parse-xml-fragment($nodeValue)' +
'for $record in Relation[Id=$id]/RepHistory/RepHistoryRecord[InstanceId=$instanceId] return ' +
'(delete node $record)', {
id : relationId,
instanceId : $Xml.Evaluate('SelectedHistory/Id'),
nodeValue : $Xml.SelectSingle('.').InnerXml()
}); |
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var results = $XmlRepository.Query('collection("49551ed3-6229-408a-aaaa-eb510463acad")//Customer[Id=$id]', {
id : $Xml.Evaluate('CustomerId')
});
$Xml.InnerXml( 'Customers', results[0].Evaluate('Id') ); |
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See Also