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I would like to set one column to point to the auto-incrementing index of the last comment in the database for my application, but I am getting an error when I run my test, and so I wonder if what I am trying to do is possible.
I am using mysql 5.0.1, but I may have to switch to 4.1.9 if I can't get ~ mysql 5.0.2 for solaris 8, to do my tests with subqueries.
My SQL command is: INSERT INTo comments VALUES(0, 1, NULL, 'testuser', 'this is a test comment', (SELECT max(idx) FROM comments WHERE sourceid=1))
~ I get an error: You can't specify target table 'comments' for update in FROM clause.
But, if I don't have 'From comments', then I get an error also.
Thank you for any help.
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