open SQLite from Godot

godot/global.gd

@@ -0,0 +1,28 @@
+extends Node
+# https://docs.godotengine.org/en/stable/tutorials/scripting/singletons_autoload.html
+
+var current_scene = null
+var db : SQLite = null
+
+func _ready():
+	var root = get_tree().root
+	current_scene = root.get_child(root.get_child_count() - 1)
+
+func goto_scene(path):
+	call_deferred("_deferred_goto_scene", path)
+
+func _deferred_goto_scene(path):
+	# It is now safe to remove the current scene.
+	current_scene.free()
+
+	# Load the new scene.
+	var s = ResourceLoader.load(path)
+
+	# Instance the new scene.
+	current_scene = s.instantiate()
+
+	# Add it to the active scene, as child of root.
+	get_tree().root.add_child(current_scene)
+
+	# Optionally, to make it compatible with the SceneTree.change_scene_to_file() API.
+	get_tree().current_scene = current_scene

godot/main.gd

@@ -1,8 +1,8 @@
 extends Control
 
-
 # Called when the node enters the scene tree for the first time.
 func _ready():
+	$FileDialog.mode = FileDialog.FILE_MODE_OPEN_FILE
 	$FileDialog.access = FileDialog.ACCESS_FILESYSTEM
 	$FileDialog.use_native_dialog = true
 
@@ -13,3 +13,9 @@ func _process(delta):
 func _on_button_pressed():
 	$FileDialog.show()
 	print("button pressed")
+
+func _on_file_dialog_file_selected(path):
+	Global.db = SQLite.new()
+	Global.db.path = path
+	Global.db.verbosity_level = SQLite.VERBOSE
+	Global.db.open_db()

godot/main.tscn

@@ -35,3 +35,4 @@ text = "Load database"
 [node name="FileDialog" type="FileDialog" parent="."]
 
 [connection signal="pressed" from="MarginContainer/CenterContainer/Button" to="." method="_on_button_pressed"]
+[connection signal="file_selected" from="FileDialog" to="." method="_on_file_dialog_file_selected"]

godot/project.godot

@@ -15,11 +15,19 @@ run/main_scene="res://main.tscn"
 config/features=PackedStringArray("4.2", "GL Compatibility")
 config/icon="res://icon.svg"
 
+[autoload]
+
+Global="*res://global.gd"
+
 [display]
 
 window/size/viewport_width=600
 window/size/viewport_height=900
 
+[editor_plugins]
+
+enabled=PackedStringArray("res://addons/godot-sqlite/plugin.cfg")
+
 [rendering]
 
 renderer/rendering_method="gl_compatibility"