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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:Pen Show]] [[Start date::≤8 April 2021]]
 |?Start date
 |?End date
 |format=table
 |limit=50
 |offset=100
 |sort=Start date
 |order=descending
 |mainlabel=
}}

Results 101 – 118 previous 50 20 50 100 250 500 next 50

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Query log

{
    "query_string": "[[Category:Pen Show]] [[Start date::\u22648 April 2021]]",
    "query_source": "SMWSQLStore",
    "query_time": "0.0092",
    "from_cache": false
}

Debug output SQLStore

ASK Query

[[Category:Pen Show]] [[Start date::≤8 April 2021]]

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
`blwiki_smw_object_ids` AS t0
INNER JOIN
(`blwiki_smw_fpt_inst` AS t2
INNER JOIN
`blwiki_smw_di_time` AS t4 ON t2.s_id=t4.s_id) ON t0.smw_id=t2.s_id
WHERE
(t2.o_id=1823
   AND (
   (t4.o_sortkey<='2459312.5') AND t4.p_id=1811)
  )
  AND t0.smw_iw!=':smw'
  AND t0.smw_iw!=':smw-delete'
  AND t0.smw_iw!=':smw-redi'
ORDER BY
t4.o_sortkey DESC
LIMIT
55
OFFSET
100

SQL Explain

ID	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t4	range	s_id, p_id, o_sortkey, p_id_2, s_id_2	p_id	13		143	Using where; Using temporary
1	SIMPLE	t2	ref	s_id, o_id, s_id_2, o_id_2	s_id_2	9	d02ee151.t4.s_id, const	1	Using index
1	SIMPLE	t0	eq_ref	PRIMARY, smw_id, smw_iw, smw_iw_2	PRIMARY	4	d02ee151.t4.s_id	1	Using where

Auxilliary Tables

No auxilliary tables used.

Query Metrics

Query-Size:3
Query-Depth:1

Errors and Warnings

None

	Start date	End date
International Stationery and Office Products Fair Tokyo 2017	5 July 2017	7 July 2017
Midland Pen Show 2017	25 June 2017	25 June 2017
Triangle Pen Show 2017	1 June 2017	4 June 2017
Eastern Pen Show 2017	14 May 2017	14 May 2017
Chicago Pen Show 2017	4 May 2017	7 May 2017
Atlanta Pen Show 2017	21 April 2017	23 April 2017
Northern Pen Show 2017	2 April 2017	2 April 2017
Long Island Pen Show 2017	1 April 2017	2 April 2017
Arkansas Pen Show 2017	17 March 2017	19 March 2017
Baltimore-Washington International Pen Show 2017	3 March 2017	5 March 2017
Los Angeles International Pen Show 2017	16 February 2017	19 February 2017
South West Pen Show 2017	5 February 2017	5 February 2017
Philly Pen Show 2017	13 January 2017	15 January 2017
London Writing Equipment Show (Fall) 2016	2 October 2016	2 October 2016
San Francisco International Pen Show 2016	26 August 2016	28 August 2016
Triangle Pen Show 2016	2 June 2016	5 June 2016
Northern Pen Show 2013	21 April 2013 10:00:00	21 April 2013 16:00:00
Midland Pen Show 2009	14 June 2009 10:00:00	14 June 2009 16:00:00

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