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postgresql Delete+ join

2016-03-07 16:07 218 查看
using tablename as alias

DELETE FROM tv_episodes
USING tv_episodes AS ed
LEFT OUTER JOIN data AS nd ON
ed.file_name = nd.file_name AND
ed.path = nd.path
WHERE
tv_episodes.id = ed.id AND
ed.cd_name = 'MediaLibraryDrive' AND nd.cd_name IS NULL;


  
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