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Debug output SQLStore
ASK Query
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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, t7.o_sortkey
FROM
`smw_object_ids` AS t0
INNER JOIN
(`smw_fpt_inst` AS t2
INNER JOIN
`t3` AS t3 ON t2.o_id=t3.id
INNER JOIN
`smw_fpt_inst` AS t4 ON t2.s_id=t4.s_id) ON t0.smw_id=t2.s_id
INNER JOIN
`smw_fpt_mdat` AS t7 ON t0.smw_id=t7.s_id
WHERE
(
(t4.o_id=3910)
)
AND t0.smw_iw!=':smw'
AND t0.smw_iw!=':smw-delete'
AND t0.smw_iw!=':smw-redi'
ORDER BY
t7.o_sortkey DESC
LIMIT
255
OFFSET
4
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, t7.o_sortkey
FROM
`smw_object_ids` AS t0
INNER JOIN
(`smw_fpt_inst` AS t2
INNER JOIN
`t3` AS t3 ON t2.o_id=t3.id
INNER JOIN
`smw_fpt_inst` AS t4 ON t2.s_id=t4.s_id) ON t0.smw_id=t2.s_id
INNER JOIN
`smw_fpt_mdat` AS t7 ON t0.smw_id=t7.s_id
WHERE
(
(t4.o_id=3910)
)
AND t0.smw_iw!=':smw'
AND t0.smw_iw!=':smw-delete'
AND t0.smw_iw!=':smw-redi'
ORDER BY
t7.o_sortkey DESC
LIMIT
255
OFFSET
4
SQL Explain
ID | select_type | table | type | possible_keys | key | key_len | ref | rows | filtered | Extra |
---|---|---|---|---|---|---|---|---|---|---|
1 | SIMPLE | t4 | ref | s_id, o_id, s_id_2, o_id_2 | o_id_2 | 5 | const | 11 | Using index; Using temporary; Using filesort | |
1 | SIMPLE | t0 | eq_ref | PRIMARY, smw_id, smw_iw, smw_iw_2 | PRIMARY | 4 | mediawiki.t4.s_id | 1 | Using where | |
1 | SIMPLE | t2 | ref | s_id, o_id, s_id_2, o_id_2 | s_id_2 | 4 | mediawiki.t4.s_id | 1 | Using where; Using index | |
1 | SIMPLE | t3 | eq_ref | PRIMARY | PRIMARY | 4 | mediawiki.t2.o_id | 1 | ||
1 | SIMPLE | t7 | ref | s_id | s_id | 4 | mediawiki.t4.s_id | 1 |
Auxilliary Tables
- Temporary table t3
Recursively computed hierarchy for element(s) (1200).
SELECT s_id FROM `smw_fpt_subc` WHERE o_id=1200 LIMIT 1
Query Metrics
Query-Size:2Query-Depth:0
Errors and Warnings
None