OpenDB | Database and Tool Framework for EDA

I'm trying to run this simple query to return the id, according to the author we use the QueryRow function, ok, but this query result returns a expects 2 args but received 3 error somewhere in here.

querymodel.go

I've tried to push my unity repo to my github but since the files are so large I thought to use LFS. Installed LFS, ran git lfs install in the terminal, add, commit and push, and I get the following errors:

im new in flutter i want to get data from snapshot and load to screen but got this exception how can i fix it sorry for my bad english

transaction_db.dart

I defined this types in GoLang:

I am using go version of leveldb to store my data. I made some simple helper functions to manipulate the database. Also I wrote a test for them (below). But the test is throwing error in around 10% runs (stack trace below). What is the reason of that error, and how can I solve it?

Helpers:

I'm getting this error: flutter (18022): Closure: () => Null. I created constructor variable "function onDeleteFonction" in ItemsCarWidget class. Then I got to my constructor functions from the WordListPage class. But I can't access the function and I get an error. How do I resolve this error? I can't delete.How to I solve this error?

the code is here:

ItemsWidgetCart.dart

I'm getting the below rocksdb error when I try to use groupByKey feature of kafka streams in a function. whereas a simple consumer function works fine.

Env: confluent v1.30.0 (confluent running on single-node development environment)

OS: Apple m1 mac - Big Sur v11.5.1 with rosetta

Java: openjdk 11.0.12 2021-07-20 LTS

Error Trace:

I have been trying to upload my project into Github. Github has uploaded everything apart from my client app. Im new to source control and I can't work out why or what I am missing.

Here is my folder structure in VS Code:

Here is how Github has uploaded it:

Github has ignored the project. The project isn't in the gitignore file either.

here is my gitignore:

I am really newbie in Flutter and SQLite. I need to store some data got from a DB into a global variable (in this code it's a local variable just for exemplification) and I don't know:

1. where is the best point I can do it (now I put it in the homepage's initState method);
2. how I can store future data in a no-future variable.

Below is the method for the data extraction