fix stu-school-att unique test

models/core_warehouse/fct_student_school_attendance_event.yml

@@ -3,14 +3,16 @@ version: 2
 models: 
   - name: fct_student_school_attendance_event
     description: >
-      Raw school-level attendance events.
+      ##### Overview:
+        Defines student-school-level attendance events.
 
-      Since attendance is generally recorded only in the negative, this is 
-      typically a table of absences only. To find full daily attendance records,
-      see `fct_student_daily_attendance` or the aggregations thereof.
+        Since attendance is generally recorded only in the negative, this is 
+        typically a table of absences only. To find full daily attendance records,
+        see `fct_student_daily_attendance` or the aggregations thereof.
 
 
-      *Primary Key:* `k_student, k_school, k_calendar_date`
+      ##### Primary Key:
+        `k_student, k_school, k_calendar_date, k_session, attendance_event_category`
 
     config:
       tags: ['core']
@@ -20,6 +22,8 @@ models:
             - k_student
             - k_school
             - k_calendar_date
+            - k_session
+            - attendance_event_category
     columns:
       - name: k_student
       - name: k_student_xyear
@@ -33,4 +37,4 @@ models:
       - name: event_duration
       - name: arrival_time
       - name: departure_time
-      - name: educational_environment
+      - name: educational_environment