pid;
   locktype    | page | tuple | transactionid | classid | objid | objsubid | transaction |  pid  |       mode       | granted |                           current_query                            
---------------+------+-------+---------------+---------+-------+----------+-------------+-------+------------------+---------+--------------------------------------------------------------------
 relation      |      |       |               |         |       |          |    48758125 | 22060 | AccessShareLock  | t       | <IDLE>
 relation      |      |       |               |         |       |          |    48757861 | 24109 | AccessShareLock  | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | RowExclusiveLock | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | AccessShareLock  | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | RowExclusiveLock | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48758125 | 22060 | AccessShareLock  | t       | <IDLE>
 relation      |      |       |               |         |       |          |    48757861 | 24109 | AccessShareLock  | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48758125 | 22060 | AccessShareLock  | t       | <IDLE>
 relation      |      |       |               |         |       |          |    48757861 | 24109 | AccessShareLock  | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | RowExclusiveLock | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 transactionid |      |       |      48757861 |         |       |          |    48757861 | 24109 | ExclusiveLock    | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | AccessShareLock  | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | AccessShareLock  | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | RowExclusiveLock | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48757861 | 24109 | AccessShareLock  | t       | DELETE from links where source_pagename='front page' and wiki_id=2
 relation      |      |       |               |         |       |          |    48758125 | 22060 | AccessShareLock  | t       | <IDLE>
 transactionid |      |       |      48758125 |         |       |          |    48758125 | 22060 | ExclusiveLock    | t       | <IDLE>
(17 rows)