initial commit

Project/02_views.sql

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+CREATE OR REPLACE VIEW ta_view AS
+SELECT
+    ls.lab_section_id                AS lab_section,
+    e.le_id,
+    s.student_id,
+    s.student_first_name || ' ' ||
+    s.student_last_name             AS full_name,
+    p.pgr_attendance,
+    p.pgr_inlab_submission_link,
+    p.pgr_instructor_assessment
+FROM progress p
+JOIN student s
+  ON p.pgr_student_id = s.student_id
+JOIN lab_event e
+  ON p.pgr_event_id = e.le_id
+JOIN lab_section ls
+  ON e.le_section_id = ls.lab_section_id;
+
+CREATE OR REPLACE VIEW v_section_overview AS
+SELECT
+    t.term_code,
+    ss.set_code AS set_name,
+    c.course_code,
+    ls.lab_section_id AS section_id,
+    COUNT(DISTINCT le.le_id) AS total_events,
+    AVG(CAST(p.pgr_instructor_assessment AS NUMERIC)) AS avg_instructor_assessment
+FROM lab_section   AS ls
+JOIN course        AS c  ON c.course_code = ls.lab_course_code
+JOIN term          AS t  ON t.term_code   = ls.lab_term_code
+JOIN student_set   AS ss ON ss.set_code   = ls.lab_set_code
+LEFT JOIN lab_event AS le
+       ON le.le_section_id = ls.lab_section_id
+      AND le.course_code   = ls.lab_course_code
+      AND le.term_code     = ls.lab_term_code
+LEFT JOIN progress   AS p
+       ON p.pgr_event_id = le.le_id
+GROUP BY
+    t.term_code,
+    ss.set_code,
+    c.course_code,
+    ls.lab_section_id;
+
+--everything from section
+SELECT *
+FROM v_section_overview
+ORDER BY term_code, set_name, course_code, section_id;
+
+-- only sections that actually have events
+SELECT *
+FROM v_section_overview
+WHERE total_events > 0
+ORDER BY total_events DESC;
+
+--This is the view for ta
+SELECT *
+FROM ta_view;