以下是我们所用到的一部分代码：
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begin
-- 定义事务变量
declare
t_error
integer
default
0;
declare
v_cerror
integer
default
0;
-- 定义其他
declare
v_count
int
(11);
-- 定义接收游标数据的变量
declare
v_id
varchar
(255);
declare
v_create_date datetime;
declare
v_del_flag
varchar
(1);
declare
v_remarks
varchar
(255);
declare
v_update_date datetime;
declare
v_address
varchar
(255);
declare
v_appstate
varchar
(255);
declare
v_area_id
varchar
(255);
declare
v_belong
varchar
(255);
declare
v_borough_id
varchar
(255);
declare
v_borough_name
varchar
(255);
declare
v_broker_id
varchar
(255);
declare
v_check_name
varchar
(255);
declare
v_check_time
varchar
(255);
declare
v_consigner_id
varchar
(255);
declare
v_down_time
varchar
(255);
declare
v_draw_url
varchar
(255);
declare
v_house_age
varchar
(255);
declare
v_house_desc
varchar
(255);
declare
v_house_drawing
varchar
(255);
declare
v_house_feature
varchar
(255);
declare
v_house_fitment
varchar
(255);
declare
v_house_floor
varchar
(255);
declare
v_house_hall
varchar
(255);
declare
v_house_no
varchar
(255);
declare
v_house_price
double
;
declare
v_house_room
varchar
(255);
declare
v_house_thumb
varchar
(255);
declare
v_house_title
varchar
(255);
declare
v_house_toilet
varchar
(255);
declare
v_house_topfloor
varchar
(255);
declare
v_house_totalarea
double
;
declare
v_house_toward
varchar
(255);
declare
v_house_type
varchar
(255);
declare
v_house_veranda
varchar
(255);
declare
v_is_down
varchar
(255);
declare
v_is_promote
varchar
(255);
declare
v_is_synchro
varchar
(255);
declare
v_is_whether
varchar
(255);
declare
v_owner_name
varchar
(255);
declare
v_owner_notes
varchar
(255);
declare
v_owner_phone
varchar
(255);
declare
v_status
varchar
(255);
declare
v_submit_name
varchar
(255);
declare
v_submit_time
varchar
(255);
declare
v_synchro_time
varchar
(255);
declare
v_video
varchar
(255);
declare
v_whether_time
varchar
(255);
declare
v_create_by
varchar
(255);
declare
v_update_by
varchar
(255);
declare
v_area_name
varchar
(255);
declare
v_is_new
varchar
(255);
declare
v_log_flag
varchar
(255);
declare
v_log_status
varchar
(255);
declare
v_lot_NO
varchar
(255);
-- 遍历数据结束标志
declare
done
int
default
false
;
-- 游标
declare
cur
cursor
for
select
`id`,`create_date`,`del_flag`,`remarks`,`update_date`,
`address`,`appstate`,`area_id`,`belong`,`borough_id`,
`borough_name`,`broker_id`,`check_name`,`check_time`,`consigner_id`,
`down_time`,`draw_url`,`house_age`,`house_desc`,`house_drawing`,
`house_feature`,`house_fitment`,`house_floor`,`house_hall`,`house_no`,
`house_price`,`house_room`,`house_thumb`,`house_title`,`house_toilet`,
`house_topfloor`,`house_totalarea`,`house_toward`,`house_type`,`house_veranda`,
`is_down`,`is_promote`,`is_synchro`,`is_whether`,`owner_name`,
`owner_notes`,`owner_phone`,`status`,`submit_name`,`submit_time`,
`synchro_time`,`video`,`whether_time`,`create_by`,`update_by`,
`area_name`,`is_new`,
`log_flag`,`log_status`,`lot_NO`
from
zj_front_ihouse.zj_front_housesell_swp
where
lot_NO = p_lot_NO
and
(log_flag =
'i'
or
log_flag =
'd'
or
log_flag =
'u'
)
order
by
update_date
asc
;
-- 将结束标志绑定到游标
declare
continue
handler
for
not
found
set
done =
true
;
-- 事务错误默认值
declare
continue
handler
for
sqlexception
set
t_error=1;
-- 开启事务
start
transaction
;
-- 打开游标
open
cur;
-- 开始循环
read_loop: loop
-- 赋初始值
set
v_id=
''
,v_create_date=
'0000-01-01 00:00:00'
,v_del_flag=
''
,v_remarks=
''
,v_update_date=
'0000-01-01 00:00:00'
,
v_address=
''
,v_appstate=
''
,v_area_id=
''
,v_belong=
''
,v_borough_id=
''
,
v_borough_name=
''
,v_broker_id=
''
,v_check_name=
''
,v_check_time=
''
,v_consigner_id=
''
,
v_down_time=
''
,v_draw_url=
''
,v_house_age=
''
,v_house_desc=
''
,v_house_drawing=
''
,
v_house_feature=
''
,v_house_fitment=
''
,v_house_floor=
''
,v_house_hall=
''
,v_house_no=
''
,
v_house_price=0.0,v_house_room=
''
,v_house_thumb=
''
,v_house_title=
''
,v_house_toilet=
''
,
v_house_topfloor=
''
,v_house_totalarea=0.0,v_house_toward=
''
,v_house_type=
''
,v_house_veranda=
''
,
v_is_down=
''
,v_is_promote=
''
,v_is_synchro=
''
,v_is_whether=
''
,v_owner_name=
''
,
v_owner_notes=
''
,v_owner_phone=
''
,v_status=
''
,v_submit_name=
''
,v_submit_time=
''
,
v_synchro_time=
''
,v_video=
''
,v_whether_time=
''
,v_create_by=
''
,v_update_by=
''
,
v_area_name=
''
,v_is_new=
''
,
v_log_flag =
''
,v_log_status =
''
,v_lot_NO =
''
;
-- 提取游标里的数据
fetch
cur
into
v_id,v_create_date,v_del_flag,v_remarks,v_update_date,
v_address,v_appstate,v_area_id,v_belong,v_borough_id,
v_borough_name,v_broker_id,v_check_name,v_check_time,v_consigner_id,
v_down_time,v_draw_url,v_house_age,v_house_desc,v_house_drawing,
v_house_feature,v_house_fitment,v_house_floor,v_house_hall,v_house_no,
v_house_price,v_house_room,v_house_thumb,v_house_title,v_house_toilet,
v_house_topfloor,v_house_totalarea,v_house_toward,v_house_type,v_house_veranda,
v_is_down,v_is_promote,v_is_synchro,v_is_whether,v_owner_name,
v_owner_notes,v_owner_phone,v_status,v_submit_name,v_submit_time,
v_synchro_time,v_video,v_whether_time,v_create_by,v_update_by,
v_area_name,v_is_new,
v_log_flag,v_log_status,v_lot_NO;
-- 声明结束的时候
if done
then
leave read_loop;
end
if;
-- 这里做你想做的循环的事件
set
v_count = (
select
count
(*)
from
zj_front_ihouse.zj_front_housesell
where
id = v_id);
if t_error = 1
then
set
v_cerror = v_cerror + t_error;
rollback
;
leave read_loop;
end
if;
-- select v_count,v_log_flag;
if v_log_flag =
'i'
then
if v_count != 0
then
update
zj_front_ihouse.zj_front_housesell
set
`id`=v_id,`create_date`=v_create_date,`del_flag`=v_del_flag,`remarks`=v_remarks,`update_date`=v_update_date,
`address`=v_address,`appstate`=v_appstate,`area_id`=v_area_id,`belong`=v_belong,`borough_id`=v_borough_id,
`borough_name`=v_borough_name,`broker_id`=v_broker_id,`check_name`=v_check_name,`check_time`=v_check_time,`consigner_id`=v_consigner_id,
`down_time`=v_down_time,`draw_url`=v_draw_url,`house_age`=v_house_age,`house_desc`=v_house_desc,`house_drawing`=v_house_drawing,
`house_feature`=v_house_feature,`house_fitment`=v_house_fitment,`house_floor`=v_house_floor,`house_hall`=v_house_hall,`house_no`=v_house_no,
`house_price`=v_house_price,`house_room`=v_house_room,`house_thumb`=v_house_thumb,`house_title`=v_house_title,`house_toilet`=v_house_toilet,
`house_topfloor`=v_house_topfloor,`house_totalarea`=v_house_totalarea,`house_toward`=v_house_toward,`house_type`=v_house_type,`house_veranda`=v_house_veranda,
`is_down`=v_is_down,`is_promote`=v_is_promote,`is_synchro`=v_is_synchro,`is_whether`=v_is_whether,`owner_name`=v_owner_name,
`owner_notes`=v_owner_notes,`owner_phone`=v_owner_phone,`status`=v_status,`submit_name`=v_submit_name,`submit_time`=v_submit_time,
`synchro_time`=v_synchro_time,`video`=v_video,`whether_time`=v_whether_time,`create_by`=v_create_by,`update_by`=v_update_by,
`area_name`=v_area_name,`is_new`=v_is_new
where
id = v_id;
if t_error = 1
then
set
v_cerror = v_cerror + t_error;
rollback
;
leave read_loop;
end
if;
else
insert
into
zj_front_ihouse.zj_front_housesell (
`id`,`create_date`,`del_flag`,`remarks`,`update_date`,
`address`,`appstate`,`area_id`,`belong`,`borough_id`,
`borough_name`,`broker_id`,`check_name`,`check_time`,`consigner_id`,
`down_time`,`draw_url`,`house_age`,`house_desc`,`house_drawing`,
`house_feature`,`house_fitment`,`house_floor`,`house_hall`,`house_no`,
`house_price`,`house_room`,`house_thumb`,`house_title`,`house_toilet`,
`house_topfloor`,`house_totalarea`,`house_toward`,`house_type`,`house_veranda`,
`is_down`,`is_promote`,`is_synchro`,`is_whether`,`owner_name`,
`owner_notes`,`owner_phone`,`status`,`submit_name`,`submit_time`,
`synchro_time`,`video`,`whether_time`,`create_by`,`update_by`,
`area_name`,`is_new`
)
values
(
v_id,v_create_date,v_del_flag,v_remarks,v_update_date,
v_address,v_appstate,v_area_id,v_belong,v_borough_id,
v_borough_name,v_broker_id,v_check_name,v_check_time,v_consigner_id,
v_down_time,v_draw_url,v_house_age,v_house_desc,v_house_drawing,
v_house_feature,v_house_fitment,v_house_floor,v_house_hall,v_house_no,
v_house_price,v_house_room,v_house_thumb,v_house_title,v_house_toilet,
v_house_topfloor,v_house_totalarea,v_house_toward,v_house_type,v_house_veranda,
v_is_down,v_is_promote,v_is_synchro,v_is_whether,v_owner_name,
v_owner_notes,v_owner_phone,v_status,v_submit_name,v_submit_time,
v_synchro_time,v_video,v_whether_time,v_create_by,v_update_by,
v_area_name,v_is_new
);
if t_error = 1
then
set
v_cerror = v_cerror + t_error;
rollback
;
leave read_loop;
end
if;
end
if;
elseif v_log_flag =
'd'
then
if v_count !=0
then
delete
from
zj_front_ihouse.zj_front_housesell
where
id = v_id;
if t_error = 1
then
set
v_cerror = v_cerror + t_error;
rollback
;
leave read_loop;
end
if;
end
if;
elseif v_log_flag =
'u'
then
if v_count != 0
then
update
zj_front_ihouse.zj_front_housesell
set
`id`=v_id,`create_date`=v_create_date,`del_flag`=v_del_flag,`remarks`=v_remarks,`update_date`=v_update_date,
`address`=v_address,`appstate`=v_appstate,`area_id`=v_area_id,`belong`=v_belong,`borough_id`=v_borough_id,
`borough_name`=v_borough_name,`broker_id`=v_broker_id,`check_name`=v_check_name,`check_time`=v_check_time,`consigner_id`=v_consigner_id,
`down_time`=v_down_time,`draw_url`=v_draw_url,`house_age`=v_house_age,`house_desc`=v_house_desc,`house_drawing`=v_house_drawing,
`house_feature`=v_house_feature,`house_fitment`=v_house_fitment,`house_floor`=v_house_floor,`house_hall`=v_house_hall,`house_no`=v_house_no,
`house_price`=v_house_price,`house_room`=v_house_room,`house_thumb`=v_house_thumb,`house_title`=v_house_title,`house_toilet`=v_house_toilet,
`house_topfloor`=v_house_topfloor,`house_totalarea`=v_house_totalarea,`house_toward`=v_house_toward,`house_type`=v_house_type,`house_veranda`=v_house_veranda,
`is_down`=v_is_down,`is_promote`=v_is_promote,`is_synchro`=v_is_synchro,`is_whether`=v_is_whether,`owner_name`=v_owner_name,
`owner_notes`=v_owner_notes,`owner_phone`=v_owner_phone,`status`=v_status,`submit_name`=v_submit_name,`submit_time`=v_submit_time,
`synchro_time`=v_synchro_time,`video`=v_video,`whether_time`=v_whether_time,`create_by`=v_create_by,`update_by`=v_update_by,
`area_name`=v_area_name,`is_new`=v_is_new
where
id = v_id;
if t_error = 1
then
set
v_cerror = v_cerror + t_error;
rollback
;
leave read_loop;
end
if;
else
insert
into
zj_front_ihouse.zj_front_housesell (
`id`,`create_date`,`del_flag`,`remarks`,`update_date`,
`address`,`appstate`,`area_id`,`belong`,`borough_id`,
`borough_name`,`broker_id`,`check_name`,`check_time`,`consigner_id`,
`down_time`,`draw_url`,`house_age`,`house_desc`,`house_drawing`,
`house_feature`,`house_fitment`,`house_floor`,`house_hall`,`house_no`,
`house_price`,`house_room`,`house_thumb`,`house_title`,`house_toilet`,
`house_topfloor`,`house_totalarea`,`house_toward`,`house_type`,`house_veranda`,
`is_down`,`is_promote`,`is_synchro`,`is_whether`,`owner_name`,
`owner_notes`,`owner_phone`,`status`,`submit_name`,`submit_time`,
`synchro_time`,`video`,`whether_time`,`create_by`,`update_by`,
`area_name`,`is_new`
)
values
(
v_id,v_create_date,v_del_flag,v_remarks,v_update_date,
v_address,v_appstate,v_area_id,v_belong,v_borough_id,
v_borough_name,v_broker_id,v_check_name,v_check_time,v_consigner_id,
v_down_time,v_draw_url,v_house_age,v_house_desc,v_house_drawing,
v_house_feature,v_house_fitment,v_house_floor,v_house_hall,v_house_no,
v_house_price,v_house_room,v_house_thumb,v_house_title,v_house_toilet,
v_house_topfloor,v_house_totalarea,v_house_toward,v_house_type,v_house_veranda,
v_is_down,v_is_promote,v_is_synchro,v_is_whether,v_owner_name,
v_owner_notes,v_owner_phone,v_status,v_submit_name,v_submit_time,
v_synchro_time,v_video,v_whether_time,v_create_by,v_update_by,
v_area_name,v_is_new
);
if t_error = 1
then
set
v_cerror = v_cerror + t_error;
rollback
;
leave read_loop;
end
if;
end
if;
end
if;
end
loop;
-- 关闭游标
close
cur;
-- 清理swp表
if v_cerror = 0
then
delete
from
zj_front_ihouse.zj_front_housesell_swp
where
lot_NO = p_lot_NO
and
(log_flag =
'i'
or
log_flag =
'd'
or
log_flag =
'u'
);
if t_error = 1
then
set
v_cerror = v_cerror + t_error;
rollback
;
end
if;
end
if;
-- 结束事务
if v_cerror = 0
then
commit
;
else
rollback
;
end
if;
end
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本文转自 tanzhenchao 51CTO博客，原文链接：http://blog.51cto.com/cmdschool/1698697，如需转载请自行联系原作者
