mysql定時任務與查詢多表數據存入另一張表中

原創 hzz_321 2019-02-27 20:36
  • 使用遊標進行遍歷插入數據
  • DROP PROCEDURE IF EXISTS `queryMfrsStatistics`;
CREATE PROCEDURE queryMfrsStatistics() 
begin 
-- 聲明一個標誌done， 用來判斷遊標是否遍歷完成 
DECLARE done INT DEFAULT FALSE; 
-- 聲明一個變量，用來存放從遊標中提取的數據 

-- 特別注意這裏的名字不能與由遊標中使用的列明相同，否則得到的數據都是NULL 
DECLARE a1 bigint(10) DEFAULT NULL; 
DECLARE a2 varchar(255) DEFAULT NULL; 
DECLARE a3 bigint(20) DEFAULT NULL; 
DECLARE a4 bigint(20) DEFAULT NULL; 
DECLARE a5 int(8) DEFAULT NULL; 
DECLARE a6 int(8) DEFAULT null; 
DECLARE a7 int(8) DEFAULT NULL; 
DECLARE a8 varchar(50) DEFAULT NULL; 
DECLARE a9 datetime DEFAULT NULL; 
-- id,mfrs_name, mfrs_table_sum,mfrs_tablefield_sum,fk_province,fk_city,fk_district,address,statistics_create
-- 聲明遊標對應的 SQL 語句 
DECLARE cur CURSOR FOR SELECT
  -- g.aid as id,
	null,
  g.mfrs_name as mfrs_name,
  sum(e.f) as mfrs_table_sum,
  sum(e.x) as mfrs_tablefield_sum,
  g.aprovince as fk_province ,
  g.acity as fk_city,
  g.adistrict as fk_district,
  g.aaddress as address,
	now() as statistics_create
FROM
  (
    SELECT
      a.id aid,
      a.mfrs_name,
      a.fk_province aprovince,
      a.fk_city acity,
      a.fk_district adistrict,
      a.address aaddress,
      b.id bid
    FROM
      t_mfrs_dic a
    LEFT JOIN t_mfrs_system b ON a.id = b.fk_mfrs_id
  ) AS g
LEFT JOIN (
  SELECT
    z.fk_mfrs_system_id,
    z.f,
    y.x
  FROM
    (
      SELECT
        fk_mfrs_system_id,
        count(1) f
      FROM
        t_mfrs_table_dict
      GROUP BY
        fk_mfrs_system_id
    ) z
  LEFT JOIN (
    SELECT
      h.fk_mfrs_system_id,
      sum(h.l) x
    FROM
      (
        SELECT
          m.fk_mfrs_system_id,
          m.id j,
          n.id k,
          count(1) l
        FROM
          t_mfrs_table_dict m
        LEFT JOIN t_mfrs_tablefield n ON m.id = n.fk_mfrs_table_id
        GROUP BY
          m.id
      ) h
    GROUP BY
      h.fk_mfrs_system_id
  ) y ON z.fk_mfrs_system_id = y.fk_mfrs_system_id
) e ON g.bid = e.fk_mfrs_system_id
GROUP BY
  g.aid
; 
-- 在遊標循環到最後會將 done 設置爲 TRUE 
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE; 
-- 執行查詢 
open cur; 
-- 遍歷遊標每一行 
read_loop: LOOP 
-- 提取遊標裏的數據 
FETCH cur INTO a1,a2,a3,a4,a5,a6,a7,a8,a9; 
-- 聲明結束的時候 
IF done THEN 
LEAVE read_loop; 
END IF; 
INSERT INTO t_mfrs_statistics_table(id, mfrs_name, mfrs_table_sum, mfrs_tablefield_sum, fk_province, fk_city, fk_district, address,statistics_create) VALUES(a1,a2,a3,a4,a5,a6,a7,a8,a9); 
END LOOP; 
-- 關閉遊標 
CLOSE cur;

end 

-- 調用存儲過程
 -- call test3()

-- mysql 定時任務
 CREATE EVENT if not exists queryMfrsStatistics 
          on schedule every 604800 second 
          on completion preserve 
     do call queryMfrsStatistics();

    使用以下簡單方法進行 數據插入

  • -- 醫療機構存儲過程


drop PROCEDURE queryMidStatistics;
CREATE PROCEDURE queryMidStatistics()
BEGIN 
insert into t_mid_statistics_table(medical_id,medical_org_name,fk_province,fk_city,fk_district,address)
SELECT id, medical_org_name, fk_province, fk_city, fk_district, address FROM t_ds_org;

COMMIT;

update t_mid_statistics_table tmp set tmp.mid_table_sum = (
select a.num_ from (select max(m.id) as id, count(*) as num_ from t_mid_statistics_table m
right JOIN t_org_system s on(s.fk_org_id = m.medical_id)
right JOIN t_org_database d on(d.fk_org_system_id = s.id)
right join t_ds_table t on(t.fk_belong_datatable = d.id)
where m.`status` = 0 GROUP BY m.medical_id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

update t_mid_statistics_table tmp set tmp.mid_sign_table_sum = (
select a.num_ from (select max(m.id) as id, count(*) as num_ from t_mid_statistics_table m
right JOIN t_org_system s on(s.fk_org_id = m.medical_id)
right JOIN t_org_database d on(d.fk_org_system_id = s.id)
right join t_ds_table t on(t.fk_belong_datatable = d.id and t.table_type = 1)
where m.`status` = 0 GROUP BY m.medical_id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

update t_mid_statistics_table tmp set tmp.mid_tablefield_sum = (
select a.num_ from (select max(m.id) as id, count(*) as num_ from t_mid_statistics_table m
right JOIN t_org_system s on(s.fk_org_id = m.medical_id)
right JOIN t_org_database d on(d.fk_org_system_id = s.id)
right join t_ds_table t on(t.fk_belong_datatable = d.id)
right join t_ds_tablefield f on(f.fk_belong_table = t.id)
where m.`status` = 0 GROUP BY m.medical_id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

update t_mid_statistics_table tmp set tmp.mid_sign_tablefield_sum = (
select a.num_ from (select max(m.id) as id, count(*) as num_ from t_mid_statistics_table m
right JOIN t_org_system s on(s.fk_org_id = m.medical_id)
right JOIN t_org_database d on(d.fk_org_system_id = s.id)
right join t_ds_table t on(t.fk_belong_datatable = d.id)
right join t_ds_tablefield f on(f.fk_belong_table = t.id and f.sign = 1)
where m.`status` = 0 GROUP BY m.medical_id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

update t_mid_statistics_table tmp set tmp.mid_sign_metadata_sum = (
select a.num_ from (select max(m.id) as id, count(*) as num_ from t_mid_statistics_table m
right JOIN t_org_system s on(s.fk_org_id = m.medical_id)
right JOIN t_org_database d on(d.fk_org_system_id = s.id)
right join t_ds_table t on(t.fk_belong_datatable = d.id)
right join t_ds_tablefield f on(f.fk_belong_table = t.id)
right join t_dc_ref r on(r.fk_ds_id = f.id)
where m.`status` = 0 GROUP BY m.medical_id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

update t_mid_statistics_table tmp set tmp.mid_mapping_dataset_table_sum = (
select a.num_ from (select m.id, count(*) as num_ from (
select max(m.id) as id, t.id as table_id, count(*) as num_ from t_mid_statistics_table m
right JOIN t_org_system s on(s.fk_org_id = m.medical_id)
right JOIN t_org_database d on(d.fk_org_system_id = s.id)
right join t_ds_table t on(t.fk_belong_datatable = d.id)
right join t_ds_tablefield f on(f.fk_belong_table = t.id)
right join t_dc_ref r on(r.fk_ds_id = f.id and r.fk_dataset_item_id is not null)
where m.`status` = 0 GROUP BY m.medical_id, t.id) m group by m.id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

-- 修改
update t_mid_statistics_table tmp set tmp.mid_mapping_dataset_sum = (
select a.num_ from (select m.id, count(*) as num_ from (
select max(m.id) as id, t.id as table_id, count(*) as num_ from t_mid_statistics_table m
right JOIN t_org_system s on(s.fk_org_id = m.medical_id)
right JOIN t_org_database d on(d.fk_org_system_id = s.id)
right join t_ds_table t on(t.fk_belong_datatable = d.id)
right join t_ds_tablefield f on(f.fk_belong_table = t.id)
right join t_dc_ref r on(r.fk_ds_id = f.id and r.fk_dataset_item_id is not null)
right join t_ds_comfield cd ON (cd.fk_tablefield_id = t.id AND cd.fk_tablefield_id is not null)
where m.`status` = 0 GROUP BY m.medical_id, t.id) m group by m.id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;


update t_mid_statistics_table set status = 1 where `status` = 0;

COMMIT;

END
-- HIT廠商的存儲過程

begin 

insert into t_mfrs_statistics_table(mfrs_id,mfrs_name,fk_province,fk_city,fk_district,address)
SELECT id, mfrs_name, fk_province, fk_city, fk_district, address FROM t_mfrs_dic;

COMMIT;

update t_mfrs_statistics_table tmp set tmp.mfrs_table_sum = (
select a.num_ from (select max(m.id) as id, count(*) as num_ from t_mfrs_statistics_table m
right JOIN t_mfrs_system s on(s.fk_mfrs_id = m.mfrs_id)
right join t_mfrs_table_dict t on(t.fk_mfrs_system_id = s.id)
where m.`status` = 0 GROUP BY m.mfrs_id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

update t_mfrs_statistics_table tmp set tmp.mfrs_tablefield_sum = (
select a.num_ from (select max(m.id) as id, count(*) as num_ from t_mfrs_statistics_table m
right JOIN t_mfrs_system s on(s.fk_mfrs_id = m.mfrs_id)
right join t_mfrs_table_dict t on(t.fk_mfrs_system_id = s.id)
right join t_mfrs_tablefield f on(f.fk_mfrs_table_id = t.id)
where m.`status` = 0 GROUP BY m.mfrs_id) a where a.id = tmp.id) where tmp.`status` = 0;

COMMIT;

update t_mfrs_statistics_table set status = 1 where `status` = 0;

COMMIT;

end

    以上屬於公司自己的業務，只爲了筆記，如果看的不懂，勿噴，謝謝

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