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::WC2B 4HN]]
 |?Companies:town
 |?Companies:county
 |?Has coordinates
 |format=table
 |limit=50
 |offset=1
 |sort=
 |order=asc
 |mainlabel=
}}

Results 2 – 17 previous 50 20 50 100 250 500 next 50

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Query log

{
    "query_string": "[[Category:Companies:CompanyContact]] [[Companies:postcode::WC2B 4HN]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0068",
    "from_cache": false
}

SQLStore debug output

ASK Query

[[Category:Companies:CompanyContact]] [[Companies:postcode::WC2B 4HN]]

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='554192')
  )
  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	17	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	Has coordinates
01189516720	LONDON	51° 27' 18.94" N, 0° 58' 11.27" W
01273712150	LONDON	50° 49' 26.90" N, 0° 8' 39.37" W
01344353880	LONDON	51° 24' 59.09" N, 0° 44' 50.07" W
01372751200	LONDON	51° 20' 3.44" N, 0° 15' 53.56" W
01392221300	LONDON	50° 43' 21.53" N, 3° 31' 30.82" W
01483400980	LONDON	51° 14' 15.63" N, 0° 34' 2.11" W
01622679779	LONDON	51° 16' 26.45" N, 0° 31' 26.54" E
02070096000	LONDON	51° 30' 53.21" N, 0° 7' 57.56" W
02070547200	LONDON	51° 30' 48.25" N, 0° 6' 58.73" W
02070760860	LONDON	51° 31' 7.92" N, 0° 8' 22.92" E
02072022610	LONDON	51° 31' 24.55" N, 0° 7' 33.05" W
02072877783	LONDON	51° 30' 53.55" N, 0° 7' 58.84" W
02073879373	LONDON	51° 31' 26.42" N, 0° 8' 25.67" W
02077441300	LONDON	51° 30' 49.38" N, 0° 7' 6.55" W
02087426100	LONDON	51° 29' 41.56" N, 0° 13' 33.72" W
08455000666	LONDON	50° 46' 21.09" N, 1° 36' 17.77" W