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How about adding another column, called ordering or something?


Getting the questions in the correct order then simply means using ORDER BY QUESTION_ORDER.

If you initially increment QUESTION_ORDER by ten or fifty or whatever, you can insert other questions in between the existing ones. This allows you to keep the integrity of "if you answered $something on $question_id .." references, while giving you (a bit) more flexibility in the ordering.

This is of course not a complete solution to the problem, since some devil's advocate will surely reply to this node saying "What if you want to insert $inc + 1 questions between question 1 and 2?" (Where $inc is the difference between the two question's QUESTION_ORDER). In this case you will be forced to reorder your QUESTION_ORDER columns, but you will still have the integrity between questions.

A little bit of decoupling goes a long way, though.

Mischief. Mayhem. Soap.

In reply to Re: reordering a stack with little effort by pernod
in thread reordering a stack with little effort by punkish

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