REF: views + 1st revision

db/Views.sql

+CREATE OR REPLACE VIEW `view_study_groups` AS 
+    SELECT  study_groups.ID         AS 'GroupID',
+            study_groups.GroupNum   AS 'GroupNum',
+            study_groups.Name       AS 'GroupName',
+            grades.ID               AS 'GradeID',
+            grades.Num              AS 'GradeNum',
+            grades.Degree           AS 'Degree',
+            specializations.ID      AS 'SpecID',
+            specializations.Name    AS 'SpecName',
+            specializations.Abbr    AS 'SpecAbbr',
+            faculties.ID        AS 'FacultyID', 
+            faculties.Name      AS 'FacultyName', 
+            faculties.Abbr      AS 'FacultyAbbr'
+    FROM `study_groups`
+    INNER JOIN `specializations`    ON study_groups.SpecializationID = specializations.ID
+    INNER JOIN `grades` ON study_groups.GradeID = grades.ID
+    INNER JOIN `faculties` ON faculties.ID = specializations.FacultyID; 
+
+
+
+
+
+CREATE OR REPLACE VIEW `view_teachers` AS 
+    SELECT  teachers.ID         AS 'TeacherID', 
+            teachers.LastName, 
+            teachers.FirstName, 
+            teachers.SecondName, 
+            teachers.AccountID,
+            job_positions.ID    AS 'JobPositionID',
+            job_positions.Name  AS 'JobPositionName', 
+            departments.ID      AS 'DepID',
+            departments.Name    AS 'DepName',
+            faculties.ID        AS 'FacultyID', 
+            faculties.Name      AS 'FacultyName', 
+            faculties.Abbr      AS 'FacultyAbbr'
+    FROM `teachers`
+    INNER JOIN `departments`    ON  departments.ID = teachers.DepartmentID
+    INNER JOIN `faculties`      ON  departments.FacultyID = faculties.ID
+    INNER JOIN `job_positions`  ON  job_positions.ID = teachers.JobPositionID;
+
+
+CREATE OR REPLACE VIEW `view_students` AS 
+    SELECT  students.ID         AS 'StudentID',
+            students.LastName,
+            students.FirstName,
+            students.SecondName,
+            students.AccountID,
+            view_study_groups.*
+    FROM `students`
+    INNER JOIN `view_study_groups` ON view_study_groups.GroupID = students.StudyGroupID;
+
+
+CREATE OR REPLACE VIEW `view_disciplines` AS 
+    SELECT  disciplines.ID          AS 'DisciplineID',
+            disciplines.AuthorID,
+            disciplines.ExamType,
+            disciplines.LectionCount,
+            disciplines.PracticeCount,
+            disciplines.LabCount,
+            disciplines.SemesterID,
+            disciplines.isLocked,
+            disciplines.isMilestone,
+            grades.ID               AS 'GradeID',
+            grades.Num              AS 'GradeNum',
+            grades.Degree,
+            subjects.ID             AS 'SubjectID',
+            subjects.Name           AS 'SubjectName',
+            subjects.Abbr           AS 'SubjectAbbr',
+            faculties.ID            AS 'FacultyID',
+            faculties.Name          AS 'FacultyName',
+            faculties.Abbr          AS 'FacultyAbbr'
+    FROM `disciplines`
+    INNER JOIN `subjects` ON subjects.ID = disciplines.SubjectID
+    INNER JOIN `faculties` ON faculties.ID = disciplines.FacultyID
+    INNER JOIN `grades` ON grades.ID = disciplines.GradeID;
+
+
+CREATE OR REPLACE VIEW `view_disciplines_teachers` AS 
+    SELECT  view_disciplines.DisciplineID,
+            view_teachers.*,
+            (view_disciplines.AuthorID = view_teachers.TeacherID) AS 'IsAuthor'
+    FROM `view_disciplines`
+    LEFT JOIN `disciplines_teachers` ON disciplines_teachers.DisciplineID = view_disciplines.DisciplineID
+    INNER JOIN `view_teachers` ON view_teachers.TeacherID = disciplines_teachers.TeacherID;
+
+
+CREATE OR REPLACE VIEW `view_disciplines_students` AS 
+    SELECT  disciplines_students.DisciplineID,  
+            view_students.*
+    FROM `disciplines_students`
+    INNER JOIN `view_students` ON    view_students.StudentID = disciplines_students.StudentID 
+    WHERE disciplines_students.Type = 'attach'
+    UNION DISTINCT
+    SELECT  disciplines_groups.DisciplineID,
+            view_students.*
+    FROM `disciplines_groups`
+    LEFT JOIN `view_students` ON view_students.GroupID = disciplines_groups.StudyGroupID
+    LEFT JOIN `disciplines_students` ON disciplines_students.StudentID = view_students.StudentID AND
+                                        disciplines_students.DisciplineID = disciplines_groups.DisciplineID
+    WHERE disciplines_students.Type IS NULL; 
+
+
+CREATE OR REPLACE VIEW `view_roadmap` AS
+    SELECT  modules.DisciplineID,
+            modules.ID AS 'ModuleID',
+            modules.Name AS 'ModuleName',
+            modules.OrderNum AS 'ModuleOrderNum',
+            modules.Type AS 'ModuleType', 
+            # enum('regular','exam', 'bonus', 'extra')
+            submodules.ID AS 'SubmoduleID',
+            submodules.Name AS 'SubmoduleName',
+            submodules.OrderNum AS 'SubmoduleOrderNum',
+            submodules.MaxRate AS 'SubmoduleRate',
+            submodules.Type AS 'SubmoduleType',
+            # enum('CurrentControl','LandmarkControl')
+            submodules.isUsed AS 'SubmoduleIsUsed'
+    FROM `submodules`
+    INNER JOIN `modules` ON submodules.ModuleID = modules.ID;
+
+
+CREATE OR REPLACE VIEW `view_rating` AS
+    SELECT  view_students.*,
+            view_roadmap.*,
+            rating_table.Rate,
+            rating_table.Date,
+            rating_table.TeacherID
+    FROM `view_roadmap`
+    LEFT JOIN `rating_table` ON rating_table.SubmoduleID = view_roadmap.SubmoduleID 
+    INNER JOIN `view_students` ON rating_table.StudentID = view_students.StudentID; 
+
+
+CREATE OR REPLACE VIEW `view_rating_result` AS
+    SELECT  view_rating.StudentID,
+            view_rating.DisciplineID,  
+            SUM(view_rating.Rate*(view_rating.ModuleType = "regular")) AS 'RateRegular',
+            SUM(view_rating.Rate*(view_rating.ModuleType = "extra")) AS 'RateExtra',
+            SUM(view_rating.Rate*(view_rating.ModuleType = "bonus")) AS 'RateBonus',
+            (SELECT view_rating.Rate*(view_rating.ModuleType = "exam")
+                ORDER BY    view_rating.ModuleType = "exam" DESC, 
+                            (view_rating.Rate IS NULL) ASC, 
+                            view_rating.SubmoduleOrderNum DESC 
+                LIMIT 1
+            ) AS 'RateExam'
+    FROM `view_rating`
+    WHERE view_rating.Rate IS NOT NULL
+    GROUP BY view_rating.StudentID, view_rating.DisciplineID;
+