Add json and jsonb types

[otiai10]

This pull request is a proposal

It's helpful that users can select json and jsonb types.

[commitlint-wzrdtales]

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Happy coding!

[commitlint-wzrdtales]

There were the following issues with this Pull Request

• Commit: 6033248
  • ✖ message may not be empty
    , - ✖ type may not be empty

You may need to change the commit messages to comply with the repository contributing guidelines.

---

🤖 This comment was generated by commitlint[bot]. Please report issues here.

Happy coding!

[otiai10]

ping @wzrdtales

[viktor-ku]

@otiai10 Thank you very much, seems very useful!
@wzrdtales Can we have this merged please?

[wzrdtales]

No, sry for the late response though.

The shared project only contains shared things.

JSON and JSONB are far from being a common thing across databases. Therefor they are only to be defined at driver level. This has been done already for example in the cockroachdb driver

https://github.com/db-migrate/cockroachdb/blob/5d474b2f408de3fd47d11007a388758131ce99d2/index.js#L257

and in the pg driver

https://github.com/db-migrate/pg/blob/3cb99a703376bba201b4b30433bb7aeb535701c8/index.js#L75-L77

So please feel free to go ahead and add it to the concerned driver, which carries support for that types.