Semantic search

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Options | Search Clear all entries |

Condition

Printout selection

Options

Parameters [+]

limit:

The maximum number of results to return

offset:

The offset of the first result

link:

Show values as links

headers:

Display the headers/property names

mainlabel:

The label to give to the main page name

intro:

The text to display before the query results, if there are any

outro:

The text to display after the query results, if there are any

searchlabel:

Text for continuing the search

default:

The text to display if there are no query results

import-annotation:

Additional annotated data are to be copied during the parsing of a subject

propsep:

The separator between the properties of a result entry

valuesep:

The separator between the values for a property of a result

template:

The name of a template with which to display the printouts

named args:

Name the arguments passed to the template

userparam:

A value passed into each template call, if a template is used

class:

An additional CSS class to set for the list

introtemplate:

The name of a template to display before the query results, if there are any

outrotemplate:

The name of a template to display after the query results, if there are any

sep:

The separator between results

Sort options

Delete

Add sorting condition

ResultCodeDebugExtra

To embed this query inline into a wiki page use the code below.

{{#ask: [[Category:Nieuws]]
 |?News date
 |?News info
 |?News image
 |?News title
 |format=template
 |limit=4
 |offset=4
 |link=none
 |sort=News date
 |order=desc
 |mainlabel=
 |default=Niks nieuws :( {{{1}}} {{{2}}}
 |template=NewsItemListView
}}

Results 5 – 8 previous 4 20 50 100 250 500 next 4

JSON CSV RSS RDF

Query log

{
    "query_string": "[[Category:Nieuws]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0144",
    "from_cache": false
}

Debug output SQLStore

ASK Query

[[Category:Nieuws]]

SQL Query

SELECT DISTINCT
t0.smw_id AS id,
  t0.smw_title AS t,
  t0.smw_namespace AS ns,
  t0.smw_iw AS iw,
  t0.smw_subobject AS so,
  t0.smw_sortkey AS sortkey, t4.o_sortkey
FROM
`smw_object_ids` AS t0
INNER JOIN
`smw_fpt_inst` AS t1 ON t0.smw_id=t1.s_id
INNER JOIN
`smw_di_time` AS t4 ON t0.smw_id=t4.s_id
WHERE
(t1.o_id=1233)
   AND (t4.p_id=1235)
  AND t0.smw_iw!=':smw'
  AND t0.smw_iw!=':smw-delete'
  AND t0.smw_iw!=':smw-redi'
ORDER BY
t4.o_sortkey DESC
LIMIT
9
OFFSET
4

SQL Explain

ID	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	ref	s_id, o_id, s_id_2, o_id_2	o_id_2	5	const	50	Using index; Using temporary; Using filesort
1	SIMPLE	t0	eq_ref	PRIMARY, smw_id, smw_iw, smw_iw_2	PRIMARY	4	bitlair_wiki.t1.s_id	1	Using where
1	SIMPLE	t4	ref	s_id, p_id, p_id_2, s_id_2	s_id_2	8	bitlair_wiki.t1.s_id, const	1	Using index

Auxilliary Tables

No auxilliary tables used.

Query Metrics

Query-Size:1
Query-Depth:0

Errors and Warnings

None

Open Dag 2019 op 30 maart vanaf 14:00

24 February 2019 - Ben je creatief, heb je interesse in techniek, of wil je het leren? Misschien ben jij ook wel een hacker! Kom kijken op 30 maart vanaf 14:00!

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