add sql: get list of teachers for all student's disciplines (student index page)

db/StoredProcedures.sql

@@ -446,6 +446,56 @@ BEGIN
                     view_teachers.FirstName ASC;
 END //
 
+DROP PROCEDURE IF EXISTS GetTeachersListForStudent//
+CREATE PROCEDURE `GetTeachersListForStudent` (
+    IN `pStudentID` INT,
+    IN `pSemesterID` INT
+) NO SQL
+BEGIN
+    DECLARE vStudentGroup INT DEFAULT -1;
+    SET vStudentGroup = GetStudentGroup(pStudentID, pSemesterID);
+
+# select all disciplines for user
+    CREATE TEMPORARY TABLE IF NOT EXISTS tDisciplines AS (
+        SELECT disc2.DisciplineID
+        FROM (
+             SELECT  disc1.DisciplineID,
+                     COALESCE(disc1.Type) AS 'Type'
+                 FROM (
+                          SELECT  disciplines_students.DisciplineID,
+                              disciplines_students.Type
+                          FROM `disciplines_students`
+                          WHERE   disciplines_students.StudentID = pStudentID
+                          UNION
+                          SELECT  disciplines_groups.DisciplineID,
+                              NULL AS 'Type'
+                          FROM `disciplines_groups`
+                          WHERE   disciplines_groups.GroupID = vStudentGroup
+                      ) AS disc1
+                     INNER JOIN `disciplines` ON disciplines.ID = disc1.DisciplineID
+                 WHERE disciplines.SemesterID = pSemesterID
+                 GROUP BY disc1.DisciplineID
+             ) AS disc2
+        WHERE NOT disc2.Type <=> 'detach'
+    );
+
+
+    SELECT  tDisciplines.DisciplineID,
+            GROUP_CONCAT(
+                CONCAT(teachers.LastName, ' ', teachers.FirstName, ' ', teachers.SecondName)
+                ORDER BY    teachers.ID = disciplines.AuthorID DESC,
+                teachers.LastName ASC,
+                teachers.FirstName ASC
+                SEPARATOR ';'
+            ) AS 'FullNameList'
+    FROM tDisciplines
+        INNER JOIN `disciplines` ON disciplines.ID = tDisciplines.DisciplineID
+        LEFT JOIN `disciplines_teachers` ON disciplines_teachers.DisciplineID = tDisciplines.DisciplineID
+        INNER JOIN `teachers` ON teachers.ID = disciplines_teachers.TeacherID
+    GROUP BY tDisciplines.DisciplineID
+    ORDER BY tDisciplines.DisciplineID;
+END //
+
 
 
 # get teachers, that don't teach course

~dev_rating/modules/database/classes/Kohana/Database/Query.php

@@ -250,7 +250,17 @@ class Kohana_Database_Query {
 		}
 
 		// Execute the query
+		$start = microtime(true);
 		$result = $db->query($this->_type, $sql, $as_object, $object_params);
+		$end = microtime(true);
+
+		$btrc = debug_backtrace();
+		$last = array(
+			"file" => $btrc[0]['file'],
+			"sql" => $sql,
+			"dtime" => ($end - $start) * 1000
+		);
+		echo Debug::vars($last);
 
 		if (isset($cache_key) AND $this->_lifetime > 0)
 		{