Semantic search

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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

class:

An additional CSS class to set for the table

transpose:

Display table headers vertically and results horizontally

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:Companies:CompanyContact]] [[Companies:postcode::W5 2PJ]]
 |?Companies:town
 |?Companies:county
 |?Has coordinates
 |format=table
 |limit=50
 |offset=1
 |sort=
 |order=asc
 |mainlabel=
}}

Results 2 – 21 previous 50 20 50 100 250 500 next 50

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Query log

{
    "query_string": "[[Category:Companies:CompanyContact]] [[Companies:postcode::W5 2PJ]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0087",
    "from_cache": false
}

SQLStore debug output

ASK Query

[[Category:Companies:CompanyContact]] [[Companies:postcode::W5 2PJ]]

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, t0.smw_sort
FROM
`smw_object_ids` AS t0
INNER JOIN
(`smw_fpt_inst` AS t2
INNER JOIN
`smw_di_wikipage` AS t4 ON t2.s_id=t4.s_id) ON t0.smw_id=t2.s_id
WHERE
(t2.o_id='518'
   AND (t4.p_id='523' AND t4.o_id='719515')
  )
  AND t0.smw_iw!=':smw'
  AND t0.smw_iw!=':smw-delete'
  AND t0.smw_iw!=':smw-redi'
ORDER BY
t0.smw_sort ASC
LIMIT
55
OFFSET
1

SQL Explain

ID	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t4	ref	s_id,o_id,p_id,s_id_2,s_id_3,o_id_2,o_id_3	o_id	5	const	21	Using where; Using temporary; Using filesort
1	SIMPLE	t2	ref	s_id,o_id,s_id_2,o_id_2	s_id	4	callto_wikidb.t4.s_id	1	Using where
1	SIMPLE	t0	eq_ref	PRIMARY,smw_id,smw_iw,smw_iw_2	PRIMARY	4	callto_wikidb.t4.s_id	1	Using where

Auxilliary Tables

No auxilliary tables used.

Query Metrics

Query-Size:3
Query-Depth:1

Errors and Warnings

None

	Companies:town	Companies:county	Has coordinates
01224379911	LONDON		57° 8' 54.78" N, 2° 5' 35.72" W
01302953031	LONDON		53° 31' 32.30" N, 1° 7' 50.34" W
01495750033	LONDON		51° 41' 3.31" N, 3° 0' 57.85" W
01582555306	LONDON		51° 52' 53.18" N, 0° 25' 17.69" W
01604636000	LONDON		52° 14' 15.83" N, 0° 53' 25.96" W
01895611013	EALING	LONDON	51° 31' 44.18" N, 0° 27' 6.11" W
01926730812	LONDON		52° 16' 56.93" N, 1° 31' 52.59" W
02033444854	EALING	LONDON	51° 30' 50.69" N, 0° 18' 0.19" W
02084509398	LONDON		51° 34' 4.89" N, 0° 13' 57.48" W
02085679123	LONDON		51° 30' 51.54" N, 0° 18' 1.24" W
02085705748	LONDON		51° 28' 7.65" N, 0° 21' 44.62" W
02087431907	LONDON		51° 30' 22.49" N, 0° 15' 43.77" W
02088409979	LONDON		51° 30' 51.54" N, 0° 18' 1.24" W
07702247771	LONDON		54° 51' 9.71" N, 1° 50' 3.52" W
07716744933	EALING	LONDON	51° 6' 42.22" N, 0° 51' 27.46" W
07730377507	LONDON		51° 32' 40.15" N, 0° 1' 23.87" W
07749474316	LONDON		51° 35' 3.97" N, 0° 6' 1.07" W
07854152012	LONDON		51° 30' 31.18" N, 0° 35' 18.85" W
07858818454	LONDON		54° 36' 21.94" N, 6° 59' 48.31" W
07870533673	LONDON		53° 26' 28.09" N, 2° 55' 48.31" W