Last modified: 2013-10-25 18:56:12 UTC

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Bug 56174 - SQL postgres error while deleting files
SQL postgres error while deleting files
Status: RESOLVED DUPLICATE of bug 49523
Product: MediaWiki
Classification: Unclassified
Database (Other open bugs)
1.22.0
All Linux
: Unprioritized major (vote)
: ---
Assigned To: Nobody - You can work on this!
:
Depends on:
Blocks: postgres
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Reported: 2013-10-25 17:39 UTC by Nico Stuurman
Modified: 2013-10-25 18:56 UTC (History)
1 user (show)

See Also:
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Mobile Platform: ---
Assignee Huggle Beta Tester: ---

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Description Nico Stuurman 2013-10-25 17:39:21 UTC 
Mediawiki-REL1.22 (git).  Postgresql 9.3.1 as database server on CentOs 6.4.  When deleting a file (any uploaded file) the following SQL error occurs:

    Query:
    SELECT rev_id,rev_page,rev_text_id,rev_timestamp,rev_comment,rev_user_text,rev_user,rev_minor_edit,rev_deleted,rev_len,rev_parent_id,rev_sha1,rev_content_format,rev_content_model,page_namespace,page_title,page_id,page_latest,page_is_redirect,page_len,user_name FROM "revision" INNER JOIN "page" ON ((page_id = rev_page)) LEFT JOIN "mwuser" ON ((rev_user != 0) AND (user_id = rev_user)) WHERE page_id = '40' AND rev_id = '107' LIMIT 1 FOR UPDATE
    Function: Revision::fetchFromConds
    Error: 0A000 ERROR: FOR UPDATE cannot be applied to the nullable side of an outer join 

Files remain in the system and can not be deleted.  

I guess this SQL works under mysql but not in progres.  I am not familiar with the mediawiki code, but happy to look and figure out how SQL-backend specifics are dealt with.
Comment 1 Marcin Cieślak 2013-10-25 18:56:12 UTC 

*** This bug has been marked as a duplicate of bug 49523 ***
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