Work on count nb task (and nb note)

pits_schema.sql

@@ -14,7 +14,7 @@ CREATE TABLE project (
 );
 
 CREATE TABLE task (
-    id              integer primary key,
+    id              integer primary key, -- TODO When delete, counter go down ==> problem?? Use autoincrement?
     project_id      integer,  -- Which project the task belongs to?
     username        text, -- User the task belongs to.
     name            text, -- Task name.
@@ -27,6 +27,16 @@ CREATE TABLE task (
     updated_at      date  -- When the task was last updated?
 );
 
+-- CREATE TRIGGER insert_task AFTER INSERT ON task
+-- BEGIN
+--     UPDATE project SET number_of_tasks = (SELECT count(*) FROM task WHERE project_id = new.project_id) WHERE id = new.project_id;
+-- END;
+
+-- CREATE TRIGGER delete_task AFTER DELETE ON task
+-- BEGIN
+--     UPDATE project SET number_of_tasks = (SELECT count(*) FROM task WHERE project_id = old.project_id) WHERE id = old.project_id;
+-- END;
+
 CREATE TABLE note (
     id         integer primary key,
     project_id integer,  -- Project the note belongs to (0 if belongs to task).