Special property "Query source"

From semantic-mediawiki.org
Query source
Holds the identifier of an alternative (e.g. remote) query source
Further Information
Provided by: extension "Semantic MediaWiki "Semantic MediaWiki (SMW) is a free, open-source extension to MediaWiki that lets you store and query data within the wiki's pages. Semantic MediaWiki is also a full-fledged framework, in conjunction with many spinoff extensions, that can turn a wiki into a powerful and flexible knowledge management system. All data created within SMW can easily be published via the Semantic Web, allowing other systems to use this data seamlessly.
Added: 2.5.0
Removed: still in use
Alias: has no alias
Optional: yes
Visible: yes
Annotable: no
Declarative: no
Setting: not specified
Focus: query information
In this wiki: Property:Query source

The Query source property is a special property in Semantic MediaWiki with a built-in meaning: it holds the identifier of an alternative (e.g. remote) query source used in a query. It is not possible to manually add a value to this special property. It is however indirectly taken from the value added to the source parameter to parser function #ask which is provided by extension "Semantic External Query Lookup"Semantic External Query Lookup (a.k.a. SEQL) is a Semantic Mediawiki extension to seamlessly integrate query results from an external query source to a local repository or wiki.. It was introduced with Semantic MediaWiki 2.5.0Released on 14 March 2017 and compatible with MW 1.23.0 - 1.29.x..1

See the property page Query source to see which pages use this special property on this wiki.

Available special properties relating to query profiling

The following other special properties are available for query profiling:
NameDescriptionHelp pageAdded
Query stringHolds the conditions of the query as a stringSpecial property "Query string"1.8.0
Has queryLinks a page to the subobject created by a query recording its profileSpecial property "Has query"1.8.0
Query depthHolds the value of the property depth of a querySpecial property "Query depth"1.8.0
Query formatHolds the name of the result format used in a querySpecial property "Query format"1.8.0
Query sizeHolds the value of the number of conditions in a querySpecial property "Query size"1.8.0
Query durationHolds the value of the duration a query took to executeSpecial property "Query duration"1.9.0
Query parametersHolds the parameters a query used to select its outputSpecial property "Query parameters"2.5.0
Query scodeHolds the status code a query uses to define its internal stateSpecial property "Query scode"3.0.0

See also


  1. ^  Semantic MediaWiki: GitHub pull request gh:smw:2146