How to fill in the “holes” in auto-increment fields?

Question

I\'ve read some posts about this but none cover this issue.

I guess its not possible, but I\'ll ask anyway.

I have a table with more than 50.000 registers. I

Answer 1

What is the reason you need this functionality? Your db should be fine with the gaps, and if you're approaching the max size of your key, just make it unsigned or change the field type.