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DELIMITER //
DROP FUNCTION IF EXISTS diakNaploSorszam //
CREATE function diakNaploSorszam ( thisDiakId INT, thisTanev INT, thisOsztalyId INT ) returns INT
READS SQL DATA
BEGIN
DECLARE inKezdesDt,inZarasDt DATE;
DECLARE a,i INT; -- for loop
DECLARE b DATE; -- for loop
DECLARE c DATE;
DECLARE d INT;
DECLARE e VARCHAR(255);
DECLARE cur1
CURSOR FOR
SELECT diakId,IF(beDt<inKezdesDt,inKezdesDt,beDt) AS tolDt,IF(ifnull(kiDt,inZarasDt)<inZarasDt,kiDt,inZarasDt) AS igDt,
(SELECT COUNT(*) FROM diakJogviszony AS ds
WHERE ds.diakId=diak.diakId AND tolDt<dt AND dt<=igDt AND ds.statusz IN ('jogviszonyban van','magántanuló')
) AS aktJogviszonyDb,
(SELECT statusz FROM diakJogviszony AS ds
WHERE ds.diakId=diak.diakId AND dt<=tolDt ORDER BY dt DESC LIMIT 1
) AS elozoStatusz
FROM osztalyDiak LEFT JOIN diak USING (diakId)
WHERE osztalyId=thisOsztalyId AND beDt<=inZarasDt AND (kiDt IS NULL OR kiDt>=inKezdesDt)
HAVING (aktJogviszonyDb>0 or elozoStatusz in ('magántanuló','jogviszonyban van'))
ORDER BY tolDt, CONCAT_WS(' ',viseltCsaladinev,viseltUtonev) COLLATE utf8_hungarian_ci;
DECLARE EXIT HANDLER FOR NOT FOUND RETURN NULL;
SELECT kezdesDt FROM szemeszter WHERE tanev=thisTanev AND szemeszter=1 INTO inKezdesDt;
SELECT MAX(zarasDt) FROM szemeszter WHERE tanev=thisTanev INTO inZarasDt;
SET i := 1;
OPEN cur1;
lo: LOOP
-- FETCH cur1 INTO a,b;
FETCH cur1 INTO a,b,c,d,e;
IF a = thisDiakId THEN
LEAVE lo;
END IF;
SET i := i+1;
END LOOP;
CLOSE cur1;
return i;
END; //
DELIMITER ; //
DELIMITER //
DROP FUNCTION IF EXISTS diakTorzslapszam //
CREATE function diakTorzslapszam ( thisDiakId INT, thisOsztalyId INT ) returns INT
READS SQL DATA
BEGIN
DECLARE i,d,n01,n02,n03,n04,n05,n06,n07,n08,n09,n10,n11,n12,n13 INT; -- for loop
DECLARE error,inKezdoTanev,inVegzoTanev INT;
DECLARE cur1
CURSOR FOR
SELECT diakId,
ifnull(diakNaploSorszam(diakId,inKezdoTanev,thisOsztalyId),99) as ns01,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+1,thisOsztalyId),99) as ns02,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+2,thisOsztalyId),99) as ns03,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+3,thisOsztalyId),99) as ns04,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+4,thisOsztalyId),99) as ns05,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+5,thisOsztalyId),99) as ns06,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+6,thisOsztalyId),99) as ns07,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+7,thisOsztalyId),99) as ns08,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+8,thisOsztalyId),99) as ns09,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+9,thisOsztalyId),99) as ns10,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+10,thisOsztalyId),99) as ns11,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+11,thisOsztalyId),99) as ns12,
ifnull(diakNaploSorszam(diakId,inKezdoTanev+12,thisOsztalyId),99) as ns13
FROM osztalyDiak
WHERE osztalyId=thisOsztalyId
ORDER BY ns01, ns02, ns03, ns04, ns05, ns06, ns07, ns08, ns09, ns10, ns11, ns12, ns13;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET error := 1; -- Ne csináljon semmit, menjen tovább...
SELECT kezdoTanev FROM osztaly WHERE osztalyId=thisOsztalyId INTO inKezdoTanev;
SET i := 1;
OPEN cur1;
lo: LOOP
FETCH cur1 INTO d, n01, n02, n03, n04, n05, n06, n07, n08, n09, n10, n11, n12, n13;
IF d = thisDiakId THEN
LEAVE lo;
END IF;
SET i := i+1;
END LOOP;
CLOSE cur1;
return i;
END; //
DELIMITER ; //
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