MySQL 存储过程实例

DELIMITER $

DROP PROCEDURE IF EXISTS `stat` $
CREATE DEFINER=`liulive`@`%` PROCEDURE `stat`(startDate VARCHAR(14), endDate VARCHAR(14))
BEGIN

/*声明变量*/

DECLARE total INT DEFAULT 0;
DECLARE dat DATE DEFAULT NULL;
DECLARE quals INT DEFAULT 0;
DECLARE scheds INT DEFAULT 0;
DECLARE shows INT DEFAULT 0;
DECLARE kepts INT DEFAULT 0;
DECLARE accepts INT DEFAULT 0;
DECLARE _time VARCHAR(14) DEFAULT NULL;
DECLARE assess VARCHAR(40) DEFAULT NULL;

DECLARE offic VARCHAR(60) DEFAULT NULL;
DECLARE recrui VARCHAR(60) DEFAULT NULL;
DECLARE ma VARCHAR(60) DEFAULT NULL;

DECLARE CNT INT DEFAULT 0;

DECLARE _cursor_flag TINYINT(1) DEFAULT 0;
/*定义光标*/
DECLARE totalCalls CURSOR FOR Select count(flow_step) as total, DATE(operate_date) as dat, office, recruit, main from v_student where DATE(operate_date) >= DATE(startDate) And DATE(operate_date) <= DATE(endDate) group by DATE(operate_date), office, recruit, main order by DATE(operate_date);
DECLARE qualCalls CURSOR FOR Select count(flow_step) as qual, DATE(operate_date) as dat, office, recruit, main  from v_student where flow_step <> 'NQ' And DATE(operate_date) >= DATE(startDate) and DATE(operate_date) <= DATE(endDate) group by DATE(operate_date), office, recruit, main order by DATE(operate_date);
DECLARE schedCalls CURSOR FOR Select count(flow_step) as sched, DATE(operate_date) as dat, office, recruit, main  from v_student where flow_step = 'Assessment Scheduled' And DATE(operate_date) >= DATE(startDate) and DATE(operate_date) <= DATE(endDate) group by DATE(operate_date), office, recruit, main order by DATE(operate_date);

DECLARE totalSched CURSOR FOR Select count(flow_step) as sched, officeTime, DATE(vco_date) as dat, assessor, office, recruit, main  from v_student where flow_step = 'Assessment Scheduled' And DATE(vco_date) >= DATE(startDate) And DATE(vco_date) <= DATE(endDate) group by officeTime, DATE(vco_date), assessor, office, main order by DATE(vco_date);
DECLARE showSched CURSOR FOR Select count(shows) as shows, officeTime, DATE(vco_date) as dat, assessor, office, recruit, main  from v_student where shows is not null And flow_step = 'Assessment Scheduled' And DATE(vco_date) >= DATE(startDate) And DATE(vco_date) <= DATE(endDate) group by officeTime, DATE(vco_date), assessor, office, main order by DATE(vco_date);
DECLARE qualSched CURSOR FOR Select count(qual) as quals, officeTime, DATE(vco_date) as dat, assessor, office, recruit, main  from v_student where qual is not null And flow_step = 'Assessment Scheduled' And DATE(vco_date) >= DATE(startDate) And DATE(vco_date) <= DATE(endDate) group by officeTime, DATE(vco_date), assessor, office, main order by DATE(vco_date);
DECLARE keptSched CURSOR FOR Select count(kept) as kepts, officeTime, DATE(vco_date) as dat, assessor, office, recruit, main  from v_student where kept is not null And flow_step = 'Assessment Scheduled' And DATE(vco_date) >= DATE(startDate) And DATE(vco_date) <= DATE(endDate) group by officeTime, DATE(vco_date), assessor, office, main order by DATE(vco_date);
DECLARE acceptSched CURSOR FOR Select count(accept) as accepts, officeTime, DATE(vco_date) as dat, assessor, office, recruit, main  from v_student where accept is not null And flow_step = 'Assessment Scheduled' And DATE(vco_date) >= DATE(startDate) And DATE(vco_date) <= DATE(endDate) group by officeTime, DATE(vco_date), assessor, office, main order by DATE(vco_date);
nbsp;

  /* 定义光标结束标志 */
  DECLARE CONTINUE HANDLER FOR NOT FOUND SET _cursor_flag = -1;

  DELETE FROM STAT_TEMP;
  COMMIT;

  OPEN totalCalls;  /*打开光标*/
  LOOP_totalCalls:LOOP   /* 循环声明 */
    FETCH totalCalls INTO total, dat, offic, recrui, ma;
    IF _cursor_flag = -1 then
      LEAVE LOOP_totalCalls;
    END IF;
    insert into STAT_TEMP(DATE_, TOTAL_CALLS, OFFICE, RECRUIT, MAIN) values(dat, total, offic, recrui, ma);
  END LOOP;
  COMMIT;
  CLOSE totalCalls;   /* 关闭光标 */
  SET _cursor_flag = 1;   /* 重置光标结束标志 */

  OPEN qualCalls;
  LOOP_qualCalls:LOOP
    FETCH qualCalls INTO quals, dat, offic, recrui, ma;
    if _cursor_flag = -1 then
      LEAVE LOOP_qualCalls;
    end if;
    SELECT COUNT(*) INTO CNT FROM STAT_TEMP WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma;
    IF CNT > 0 THEN
      UPDATE STAT_TEMP SET QUAL_CALLS=quals WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma;
      SET CNT = 0;
    ELSE
      insert into STAT_TEMP (DATE_, QUAL_CALLS, OFFICE, RECRUIT, MAIN) values(dat, quals, offic, recrui, ma);
    END IF;
  END LOOP;
  COMMIT;
  CLOSE qualCalls;
  SET _cursor_flag = 1;

  OPEN schedCalls;
  LOOP_schedCalls:LOOP
    FETCH schedCalls INTO scheds,dat,offic,recrui,ma;
    if _cursor_flag = -1 then
      LEAVE LOOP_schedCalls;
    end if;
    SELECT COUNT(*) INTO CNT FROM STAT_TEMP WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma;
    IF CNT > 0 THEN
      UPDATE STAT_TEMP SET SCHED_CALLS=scheds WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma;
      SET CNT = 0;
    ELSE
      insert into STAT_TEMP(DATE_, SCHED_CALLS, OFFICE, RECRUIT, MAIN) values(dat, scheds, offic, recrui, ma);
    END IF;
  END LOOP;
  COMMIT;
  CLOSE schedCalls;
  SET _cursor_flag = 1;

  OPEN totalSched;
  LOOP_totalSched:LOOP
    FETCH totalSched INTO scheds, _time, dat, assess, offic, recrui, ma;
    if _cursor_flag = -1 then
      LEAVE LOOP_totalSched;
    end if;
    select count(*) into CNT from STAT_TEMP where DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
    if CNT > 0 then
      update STAT_TEMP set SCHED=scheds WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
      SET CNT = 0;
    else
      insert into STAT_TEMP(DATE_, SCHED, ASSESSOR, OFFICE, RECRUIT, MAIN) values(dat, scheds, assess, offic, recrui, ma);
    end if;
  END LOOP;
  COMMIT;
  CLOSE totalSched;
  SET _cursor_flag = 1;

  OPEN showSched;
  LOOP_showSched:LOOP
    FETCH showSched INTO shows, _time, dat, assess,offic,recrui,ma;
    if _cursor_flag = -1 then
      LEAVE LOOP_showSched;
    end if;
    select count(*) into CNT from STAT_TEMP where DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
    if CNT > 0 then
      update STAT_TEMP set SHOWS=shows WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
      SET CNT = 0;
    else
      insert into STAT_TEMP(DATE_, SHOWS, ASSESSOR, OFFICE, RECRUIT, MAIN) values(dat, scheds, assess, offic, recrui, ma);
    end if;
  END LOOP;
  COMMIT;
  CLOSE showSched;
  SET _cursor_flag = 1;

  OPEN qualSched;
  LOOP_qualSched:LOOP
    FETCH qualSched INTO quals, _time, dat, assess,offic,recrui,ma;
    if _cursor_flag = -1 then
      LEAVE LOOP_qualSched;
    end if;
    select count(*) into CNT from STAT_TEMP where DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
    if CNT > 0 then
      update STAT_TEMP set QUAL=quals WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
      SET CNT = 0;
    else
      insert into STAT_TEMP(DATE_, QUAL, ASSESSOR, OFFICE, RECRUIT, MAIN) values(dat, quals, assess, offic, recrui, ma);
    end if;
  END LOOP;
  COMMIT;
  CLOSE qualSched;
  SET _cursor_flag = 1;

  OPEN keptSched;
  LOOP_keptSched:LOOP
    FETCH keptSched INTO kepts, _time, dat, assess, offic, recrui, ma;
    if _cursor_flag = -1 then
      LEAVE LOOP_keptSched;
    end if;
    select count(*) into CNT from STAT_TEMP where DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
    if CNT > 0 then
      update STAT_TEMP set KEPT=kepts WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
      SET CNT = 0;
    else
      insert into STAT_TEMP(DATE_, KEPT, ASSESSOR, OFFICE, RECRUIT, MAIN) values(dat, kepts, assess, offic, recrui, ma);
    end if;
  END LOOP;
  COMMIT;
  CLOSE keptSched;
  SET _cursor_flag = 1;

  OPEN acceptSched;
  LOOP_acceptSched:LOOP
    FETCH acceptSched INTO kepts, _time, dat, assess, offic, recrui, ma;
    if _cursor_flag = -1 then
      LEAVE LOOP_acceptSched;
    end if;
    select count(*) into CNT from STAT_TEMP where DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
    if CNT > 0 then
      update STAT_TEMP set KEPT=kepts WHERE DATE_ = dat And OFFICE = offic And RECRUIT = recrui And MAIN = ma And ASSESSOR=assess;
      SET CNT = 0;
    else
      insert into STAT_TEMP(DATE_, KEPT, ASSESSOR, OFFICE, RECRUIT, MAIN) values(dat, kepts, assess, offic, recrui, ma);
    end if;
  END LOOP;
  COMMIT;
  CLOSE acceptSched;
END $

DELIMITER ;