Backport to branch(3) : Optimize JDBC adaptor for MySQL

[feeblefakie]

This is an automated request for a manual backport of the following:

• Original PR: Optimize JDBC adaptor for MySQL #2801
• Commit to backport: f3969d9

1. Resolve any conflicts that occur during the cherry-picking process.

git fetch origin &&
git checkout 3-pull-2801 &&
git cherry-pick --no-rerere-autoupdate -m1 f3969d9ce521db900d042bbe76d2b7c3b6c90bb9

2. Push the changes.
3. Merge this PR after all checks have passed.

Thank you!