Set Database Fields comment and Doris dataTypes mapping

[zypjava]

Please add a meaningful description for your change here
1.Database getQueryFieldsFromDatabaseMetaData set comments from remarks
2.Doris dataTypes mapping（doris not support text）

Thank you for your contribution! Follow this checklist to help us incorporate your contribution quickly and easily:

• Run mvn clean install apache-rat:check to make sure basic checks pass. A more thorough check will be performed on your pull request automatically.
• If you have a group of commits related to the same change, please squash your commits into one and force push your branch using git rebase -i.
• Mention the appropriate issue in your description (for example: addresses #123), if applicable.

To make clear that you license your contribution under the Apache License Version 2.0, January 2004
you have to acknowledge this by using the following check-box.

• I hereby declare this contribution to be licensed under the Apache License Version 2.0, January 2004
• In any other case, please file an Apache Individual Contributor License Agreement.

[hansva]

Thanks you for the PR @zypjava , I will review shortly!

[zypjava]

谢谢，我已经收到你的邮件，我会尽快回复您！

[zypjava]

谢谢，我已经收到你的邮件，我会尽快回复您！