Base de datos con SQLite en Godot 4.2.2

godot_sqlite.gd

extends Control

# Referencias a los nodos ItemList y Button
@onready var item_list = $ItemList
@onready var add_button = $Button

var db : SQLite # usando el addon godot-sqlite
	
# Called when the node enters the scene tree for the first time.
func _ready():
	add_button.connect("pressed", _on_Button_pressed)

	db = SQLite.new()
	db.path = "res://data/test"
	
	if not db.open_db():
		print("Failed to open database!")
		return
	
	var table_dict : Dictionary = Dictionary()
	table_dict["description"] = {"data_type":"text", "primary_key": true, "not_null": true}
	var create_table_result = db.create_table("tasks", table_dict)
	if not create_table_result:
		print("Failed to create table!")
		return
		
	get_tasks()

func add_task(description: String):
	var row_dict : Dictionary = Dictionary()
	row_dict["description"] = description
	var result = db.insert_row("tasks", row_dict)
	row_dict.clear()
	if not result:
		print("Failed to add task!")
	
func get_tasks():
	var existing_items = []
	for i in range(item_list.get_item_count()):
		existing_items.append(item_list.get_item_text(i))
	var result = db.select_rows(
		"tasks",
		"where description no in ({})".format(existing_items) if existing_items else "",
		["description"]
	)
	if result:
		for row in  result:
			item_list.add_item(row["description"])

func _exit_tree():
	db.close()

func _on_Button_pressed():
	add_task($LineEdit.text)
	get_tasks()