joomla check which content has no existing author

The whistling wizard answered on April 15, 2025 Popularity 1/10 Helpfulness 1/10

answer joomla check which content has no existing author

joomla check which content has no existing author

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# List all articles that has no existing author
SELECT * FROM content AS c
LEFT JOIN users AS u ON u.id = c.created_by

WHERE u.id IS NULL
GROUP BY c.created_by;

# Change articles to existing author
UPDATE content AS c
LEFT JOIN users AS u ON u.id = c.created_by
SET c.created_by = [id_of_existing_user]
WHERE u.id IS NULL;

# List all categories that has no existing author
SELECT * FROM  categories AS c
LEFT JOIN users AS u ON u.id = c.created_user_id
WHERE u.id IS NULL

# Change categories to existing author
update categories AS c
LEFT JOIN users AS u ON u.id = c.created_user_id
SET c.created_user_id = [id_of_existing_user]
WHERE u.id IS NULL

Popularity 1/10 Helpfulness 1/10 Language sql

Source: forum.joomla.org

Tags: author joomla sql

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Contributed on Apr 15 2025

The whistling wizard

0 Answers Avg Quality 2/10

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joomla check which content has no existing author

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