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Comments on Can I package a database other than SQLite with a Flutter app?

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Can I package a database other than SQLite with a Flutter app?

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Flutter supports packaging a SQLite instance with a Flutter app using the Sqflite plugin. I do not like the speed of SQLite or the fact that it does not enforce column datatypes and want to use something like PostgreSQL or MySQL with my desktop app. Is there a way to do this in Flutter that doesn't require having users install the database separately before installing the application?

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1 comment thread

Why not SQLite? (8 comments)
Why not SQLite?
matthewsnyder‭ wrote 10 months ago

Embedding Postgres/MySQL is a bad idea, they're huge and designed specifically not to be embedded. There are other embedded databases besides SQLite, but you should state exactly what your issue is with SQLite.

tarhalda‭ wrote 10 months ago

SQLite doesn't enforce column datatypes. The code has to enforce the datatypes, which is error-prone.

Alexei‭ wrote 10 months ago

Not used yet, but Sugar ORM might help when interacting with the SQLLite by automatically creating tables and query generation.

matthewsnyder‭ wrote 10 months ago

tarhalda‭ Is enforcing types the only problem, or are there others?

tarhalda‭ wrote 10 months ago

matthewsnyder‭ that's the main issue for my current application. I've also had issues with reading and writing simultaneously causing the database to lock instead of queuing the read.

matthewsnyder‭ wrote 10 months ago · edited 10 months ago

Hmm. Well, I would solve the concurrency issue by something like a semaphore (I assume you have multiple threads here). SQLite also supports write-ahead logging to deal with concurrent writes (I haven't used WAL though).

The typing I would solve by handling types in my app. If you are using an ORM that should take care of types.

I get that you've made up your mind that you want to look for something else though :)

cafce25‭ wrote 10 months ago

If the lacking type rigidity is your main grip you might be interested in strict tables supported since sqlite 3.37.0 which enforce their column's type on any insert.

tarhalda‭ wrote 10 months ago

@cafce25 that would solve my problem, thank you!