Simplify using schema migrations for JdbcSqliteDriver

[morki]

See #2355, if this can be accepted, I will update documentation in this PR too.

[dellisd]

The JDBC driver probably isn't the place for this since PRAGMA is specific to SQLite. There'd need to be some other mechanism for other DBMS's like mysql or postgres, although I think people generally use dedicated migration systems for those kinds of databases (like flyway).

Maybe this would be better off as a separate module in :extensions which could be used with any of the SQLite drivers on any supported platform (JVM, Native, and JS).

[morki]

@dellisd thank you for your response, it is extensions on JdbcSqliteDriver only, so this is for JDBC's Sqlite specialized implementation only. Other Sqlite drivers (native, JS) has their own way for migrations inbuilt too.

See NativeSqlDatabase.kt line 118 - 135

[dellisd]

Ah I didn't realize the native driver supported this already, thanks.

I don't think the JS driver does though, other than creating the schema without any checks (actually that sounds like a bug). But I see what you mean. It could be better to build this into the SQLite drivers (JVM/JS) since it's already supported on half of the platforms we target.

[morki]

Yes, do you need anything from me in this? I don't know now what to do actually :)

[morki]

@AlecStrong I updated to latest changes and applied your suggestion and updated documentation. Only thing I struggle with is test, can you please help?

[hfhbd]

@morki What do you mean with test? Do you need help adding a test or do you mean the failing CI due using star imports? I fixed the latter to enable merging.

[morki]

@hfhbd I thought adding unit test, if you think it is required.