test trigger for created date

To use for each date

pit_schema.sql

@@ -38,6 +38,7 @@ CREATE TABLE note (
 );
 
 CREATE TABLE action (
+    id         integer primary key,
     project_id integer,  -- Project id (always set).
     task_id    integer,  -- Task id (set for task or note related actions).
     note_id    integer,  -- Note id (set for note related actions only).
@@ -46,9 +47,7 @@ CREATE TABLE action (
     created_at date  -- When log message was added?
 );
 
-
--- TO STUDY
--- CREATE TRIGGER update_created_date BEFORE update ON note
--- begin
-    -- update note set created_at = strftime('%Y-%m-%d %H:%M:%S:%s', 'now', 'localtime') where action_id = old.action_id
---end
+CREATE TRIGGER action_insert_created_at AFTER INSERT ON action
+BEGIN
+    UPDATE action SET created_at = strftime('%Y-%m-%d %H:%M:%S.%s', 'now', 'localtime') WHERE id = new.id;
+END