mysql create trigger and procedure demo

DROP TABLE IF EXISTS prAddVote;

DELIMITER CREATE/∗[DEFINER=user|CURRENTUSER]∗/PROCEDURE‘item‘.‘prAddVote‘(voteTitleVARCHAR(255),voteSumINT,ImageVARCHAR(255),endTimeDATETIME,modelsBIT(1))/∗LANGUAGESQL|[NOT]DETERMINISTIC|CONTAINSSQL|NOSQL|READSSQLDATA|MODIFIESSQLDATA|SQLSECURITYDEFINER|INVOKER|COMMENT′string′∗/BEGINSET@voteTitle=voteTitle;SET@voteSum=voteSum;SET@Image=Image;SET@endTime=endTime;SET@models=models;SET@insertSql=CONCAT(′insertintovoteMaster(voteTitle,voteSum,Image,endTime,models)values(?,?,?,?,?)′);PREPAREstmtinsertFROM@insertSql;EXECUTEstmtinsertUSING@voteTitle,@voteSum,@Image,@endTime,@models;DEALLOCATEPREPAREstmtinsert;END DELIMITER ;

DROP TRIGGER IF EXISTS updateVoteMasterVotSum;

DELIMITER CREATETRIGGERupdateVoteMasterVotSumAFTERUPDATEONvoteDetailsFOREACHROWBEGINIFnew.voteNum=old.voteNum+1THENUPDATEvoteMasterSETvoteSum=voteSum+1WHEREvoteMaster.voteMasterId=old.voteMasterId;ENDIF;END;

DROP TABLE IF EXISTS DateLookup;

CREATE TABLE DateLookup

(

DateKey INT NOT NULL AUTO_INCREMENT PRIMARY KEY ,

DateFull DATETIME,

CharacterDate VARCHAR(10),

FullYear CHAR(4),

QuarterNumber TINYINT,

WeekNumber TINYINT,

WeekDayName VARCHAR(10),

MonthDay TINYINT,

MONTHNAME VARCHAR(12),

YearDay SMALLINT,

DateDefinition VARCHAR(30),

WEEKDAY TINYINT,

MonthNumber TINYINT

);

SET @Date = DATE_FORMAT(‘2019-12-01’,’%Y-%c-%d %h:%i:%s’);

DROP PROCEDURE IF EXISTS update_datelookup;

DELIMITER ##

CREATE PROCEDURE update_datelookup()

BEGIN

loop1: WHILE @Date < ‘2020-01-01 00:00:00’ DO

INSERT INTO DateLookup

(

DateKey, DateFull, FullYear,

QuarterNumber, WeekNumber, WeekDayName,

MonthDay, MONTHNAME, YearDay,

DateDefinition, CharacterDate,

WEEKDAY,MonthNumber

)

SELECT

UNIX_TIMESTAMP(@Date), @Date, YEAR(@Date),

QUARTER(@Date), WEEK(@Date), DAYOFWEEK(@Date),

DAYOFMONTH(@Date), MONTHNAME(@Date), DAYOFYEAR(@Date),

DATE_FORMAT(@Date,’%Y-%c-%d %h:%i:%s’),DATE_FORMAT(@Date,’%Y-%m-%d’),

WEEKDAY(@Date),

MONTH(@Date);

SET @Date = DATE_ADD(@Date,INTERVAL 1 DAY) ;

END WHILE loop1;

END ##

CALL update_datelookup();