delimiter //
drop procedure if exists procedure_test;
create procedure procedure_test()
begin
?? ?declare count_ int default 0;
?? ?declare requirementCount_ int default 1;
?? ?declare assigineeCount_ int default 1;
?? ?declare result_ int default 0;
?? ?declare startUserId_ int ;
?? ?declare runTaskAssignee int ;
?? ?declare businessMainDataId int;
?? ?declare businessCode varchar(10);
?? ?declare users varchar(250);
?? ?declare process_serial_number int default 0;
?? ?-- 創(chuàng)建游標(biāo)1
?? ?declare cursor_test1 cursor for select o.commituserId,o.id,o.code from rp_original_requirement o where o.status = 1 and o.currentNode = 16;
?? ?-- 創(chuàng)建游標(biāo)2 ,這個(gè)游標(biāo)的創(chuàng)建使用了：將數(shù)據(jù)庫內(nèi)某個(gè)字段以逗號分隔的列，拆成一個(gè)數(shù)據(jù)列表，這樣游標(biāo)2就可以遍歷執(zhí)行這個(gè)數(shù)據(jù)集了
?? ?-- 其中語句：select (id-1) as id from rp_nonstandard_approve c order by id asc limit 21 ?是要查出一個(gè)從0開始的遞增的連續(xù)數(shù)字，rp_nonstandard_approve 的主鍵id剛好是自增的主鍵，limit 21 是因?yàn)閍.approveHandlers字段最多存20個(gè)人，所以這里要大于20；
?? ?declare cursor_test2 cursor for select substring_index(substring_index(a.approveHandlers,',',d.id+1),',',-1) as assignee from rp_nonstandard_approve a join ( select (id-1) as id from rp_nonstandard_approve c order by id asc limit 21 ) d on d.id<(length(a.approveHandlers)-length(replace(a.approveHandlers,',',''))+1) where a.status = 1 and a.requirementID=businessMainDataId ;
?? ?-- 游標(biāo)循環(huán)結(jié)束
?? ?declare exit handler for not found close cursor_test1 ;
?? ?select count(1) into requirementCount_ ?from ?rp_original_requirement o where o.status = 1 and o.currentNode = 16;
?? ?select p.id_ into @procDefId from act_re_prodef p left join act_re_deployment ard on p.deployment_id_= ard.id_
?? ?where p.key_='nonstandardProcess' order by deploy_time_ desc limit 1;
?? ?set @i=1;
?? ?-- 開啟游標(biāo)，調(diào)用開啟游標(biāo)時(shí)才會執(zhí)行對應(yīng)游標(biāo)的查詢方法
?? ?open cursor_test1 ;
?? ?while @i<=requirementCount_ ?do
?? ??? ?-- 將游標(biāo)中的值賦值給申明的變量，順序要和游標(biāo)定義內(nèi)的一致；
?? ??? ?fetch cursor_test1 into startUserId_ ,businessMainDataId ,businessCode ;
?? ??? ?set process_serial_number = process_serial_number + 1;
?? ??? ?set @processInstanceName = concat('NSP',date_formart(now(),'%Y%m%d%H%i%s'),lpad(process_serial_number,6,0));
?? ??? ?set @mainProcessId=repalce(uuid(),'-','');
?? ??? ?set @startUserId= startUserId_ ;
?? ??? ?-- 運(yùn)行時(shí)實(shí)例
?? ??? ?insert into act_ru_execution (id_, rev_, proc_inst_id_, business_key_, parent_id_, proc_def_id_, super_exec_, root_proc_inst_id_, act_id_, is_active_, is_concurrent_, is_scope_, is_event_scope_, is_mi_root_, suspension_state_, cached_ent_state_, tenant_id_, name_, start_time_, start_user_id_, lock_time_, is_count_enable_, evt_subscr_count_, task_count_, job_count_, timer_job_count_, susp_job_count_, deadletter_job_count_, var_count_, id_link_count_ )
?? ??? ?values (@mainProcessId,1,@mainProcessId,null,null,@procDefId,null,@mainProcessId,null,1,0,1,0,0,1,null,'',@processInstanceName ,sysdate(),@startUserId,null,0,0,0,0,0,0,0,0,0);
?? ?set @middleProcessId = replace(uuid(),'-','');
?? ?set @middleProcessActKey = 'nonStandardApprove';
?? ?insert into act_ru_execution (id_, rev_, proc_inst_id_, business_key_, parent_id_, proc_def_id_, super_exec_, root_proc_inst_id_, act_id_, is_active_, is_concurrent_, is_scope_, is_event_scope_, is_mi_root_, suspension_state_, cached_ent_state_, tenant_id_, name_, start_time_, start_user_id_, lock_time_, is_count_enable_, evt_subscr_count_, task_count_, job_count_, timer_job_count_, susp_job_count_, deadletter_job_count_, var_count_, id_link_count_ )
?? ??? ?values (@middleProcessId,1,@mainProcessId,null,@mainProcessId,@procDefId,null,@mainProcessId,@middleProcessActKey,0,0,0,0,1,1,null,'',null ,sysdate(),null,null,0,0,0,0,0,0,0,0,0);
?? ?-- 當(dāng)前非標(biāo)審批環(huán)節(jié)的處理人數(shù)
?? ?select count(1) into assigineeCount_ ?from (select substring_index(substring_index(a.approveHandlers,',',d.id+1),',',-1) as assignee from rp_nonstandard_approve a join ( select (id-1) as id from rp_nonstandard_approve c order by id asc limit 21 ) d on d.id<(length(a.approveHandlers)-length(replace(a.approveHandlers,',',''))+1) where a.status = 1 and a.requirementID=businessMainDataId ) g;
?? ?select h.approve_handlers into users from rp_nonstandard_approve ?h where h.status = 1 and h.requirementID=businessMainDataId;
?? ?-- 中間運(yùn)行時(shí)變量
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','nrOfActiveInstances',@middleProcessId,@mainProcessId,null,null,null,assigineeCount_ ?,assigineeCount_ ?,null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','nrOfCompletedInstances',@middleProcessId,@mainProcessId,null,null,null,0,0,null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','nrOfInstances',@middleProcessId,@mainProcessId,null,null,null,assigineeCount_ ?,assigineeCount_ ?,null) ;
?? ?-- 主運(yùn)行是變量
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'long','requirementId',@mainProcessId,@mainProcessId,null,null,null,businessMainDataId,businessMainDataId,null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'json','users',@mainProcessId,@mainProcessId,null,null,null,null,concat('[',users,']'),null) ;
?? ?-- 歷史實(shí)例
?? ?set @startActId = 'newRequirement';
?? ?insert into act_hi_procinst (id_, proc_inst_id_, business_key_, proc_def_id_, start_time_, end_time_, duration_, start_user_id_, start_act_id_, end_act_id_, super_process_instance_id_, delete_reason_,tenant_id_, name_) values(@mainProcessId,@mainProcessId,null,@procDefId,sysdate(),null,null,@startUserId,@startActId,null,null,null,'',@processInstanceName);
?? ?open cursor_test2 ;
?? ?set @j= 1;
?? ?while @j<=assigineeCount_ ?do
?? ??? ?fetch cursor_test2 ?into runTaskAssignee ;
?? ??? ?-- 根據(jù)非標(biāo)處理人數(shù)循環(huán)插入執(zhí)行數(shù)據(jù)
?? ??? ?set @taskProcessId = replace(uuid(),'-','');
?? ??? ?insert into act_ru_execution (id_, rev_, proc_inst_id_, business_key_, parent_id_, proc_def_id_, super_exec_, root_proc_inst_id_, act_id_, is_active_, is_concurrent_, is_scope_, is_event_scope_, is_mi_root_, suspension_state_, cached_ent_state_, tenant_id_, name_, start_time_, start_user_id_, lock_time_, is_count_enable_, evt_subscr_count_, task_count_, job_count_, timer_job_count_, susp_job_count_, deadletter_job_count_, var_count_, id_link_count_ )
?? ??? ?values (@taskProcessId,1,@mainProcessId,null,@middleProcessId,@procDefId,null,@mainProcessId,@middleProcessActKey,1,0,0,0,0,1,null,'',null ,sysdate(),null,null,0,0,0,0,0,0,0,0,0);
?? ?-- 根據(jù)非標(biāo)處理人數(shù)循環(huán)插入任務(wù)數(shù)據(jù)
?? ?-- 任務(wù)數(shù)據(jù)
?? ?set @runTaskId = replace(uuid(),'-','');
?? ?set @runTaskKey= 'nonStandardApprove';
?? ?set @runTaskName= '審批';
?? ?set @runTaskAssignee = runTaskAssignee;
?? ?insert into act_ru_task (id_,rev_,execution_id_,proc_inst_id_,proc_def_id_,name_,parent_task_id_,description_,task_def_key_,owner_,assignee_,delegation_,priority_,create_time_,due_date_category_,suspension_state_,tenant_id_,form_key_,claim_time_) values (@runTaskId,1,@taskProcessId,@mainProcessId,@procDefId,@runTaskName,NULL,NULL,@runTaskKey,NULL,@runTaskAssignee,NULL,50,sysdate(),null,null,1,'',null,null);
?? ?-- 根據(jù)非標(biāo)處理人數(shù)循環(huán)插入任務(wù)?
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'string','user',@taskProcessId,@mainProcessId,null,null,null,null,@runTaskAssignee,null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','loopCounter',@taskProcessId,@mainProcessId,null,null,null,0,'0',null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'string','user',@taskProcessId,@mainProcessId,@runTaskId ,null,null,null,@runTaskAssignee,null) ;?? ?
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','loopCounter',@taskProcessId,@mainProcessId,@runTaskId,null,null,0,'0',null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','nrOfActiveInstances',@taskProcessId,@mainProcessId,@runTaskId,null,null,assigineeCount_ ?,assigineeCount_ ?,null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','nrOfCompletedInstances',@taskProcessId,@mainProcessId,@runTaskId,null,null,0,'0',null) ;
?? ?insert into act_ru_variable (id_, rev_, type_, name_, execution_id_, proc_inst_id_, task_id_, bytearray_id_, double_, long_, text_, text2_) values (replace(uuid(),'-',''),1,'interger','nrOfInstances',@taskProcessId,@mainProcessId,@runTaskId,null,null,assigineeCount_ ?,assigineeCount_ ?,null) ;
set @j=@j+1;
end while;
close cursor_test2 ;
set @businessMainDataId = businessMainDataId;
set @businessMainDataTable = 't_original_requirement';
set @businessCode = businessCode ;
insert into rp_pe_business_instance (business_main_data_id,business_main_data_table_name,process_instance_id,version,status,create_by,create_time,update_by,update_by,update_time,is_business_running_process,business_code) values(@businessMainDataId,@businessMainDataTable,@mainProcessId,replace(uuid(),'-',''),1,null,sysdate(),null,sysdate(),1,@businessCode);
set @i=@i+1;
set result_ =result_ +1;
end while;
close cursor_test1 ;
?select concat('數(shù)據(jù)處理?xiàng)l數(shù)：',result_ ) as resultdata;
end;

CREATE DEFINER=`root`@`localhost` PROCEDURE `test`()
BEGIN
    DECLARE user1 VARCHAR(100);
    DECLARE user2 VARCHAR(100);
    DECLARE done INT DEFAULT 0;
    DECLARE cursor_user1 CURSOR FOR(SELECT `name` FROM `user`); -- 定于游標(biāo)1
    DECLARE cursor_user2 CURSOR FOR(SELECT `name` FROM `user`); -- 定義游標(biāo)2
    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1; -- 結(jié)束標(biāo)識
    OPEN cursor_user1; -- 開啟游標(biāo)1
    loop_1: LOOP -- 外層循環(huán)
    -- -------------------------------------------------------------------------------------
			# 嘗試從游標(biāo)1指向的數(shù)據(jù)集合獲取數(shù)據(jù)，如果集合已經(jīng)遍歷完畢，done的值被設(shè)置為1。
			FETCH cursor_user1 INTO user1;
			IF done = 1 THEN LEAVE loop_1; END IF; -- 外層循環(huán)結(jié)束條件
			OPEN cursor_user2; -- 開啟游標(biāo)2
			loop_2: LOOP -- 內(nèi)層循環(huán)
			-- -----------------------------------------------------------------------------
					# 嘗試從游標(biāo)2指向的數(shù)據(jù)集合獲取數(shù)據(jù)，如果集合已經(jīng)遍歷完畢，done的值被設(shè)置為1。
					FETCH cursor_user2 INTO user2;
					IF done = 1 THEN LEAVE loop_2; END IF; -- 內(nèi)層循環(huán)結(jié)束條件
					# do something...
		    -- -----------------------------------------------------------------------------
			END LOOP loop_2;
			CLOSE cursor_user2; -- 關(guān)閉游標(biāo)2
			SET done = 0; -- important
    -- ------------------------------------------------------------------------------------
    END LOOP loop_1;
    CLOSE cursor_user1; -- 關(guān)閉游標(biāo)1
END

CREATE DEFINER=`root`@`localhost` PROCEDURE `test`()
BEGIN
    DECLARE result VARCHAR(2000) DEFAULT 'result';
    DECLARE user1 VARCHAR(100);
    DECLARE user2 VARCHAR(100);
    DECLARE done INT DEFAULT 0;
    DECLARE cursor_user1 CURSOR FOR(SELECT `name` FROM `user`); -- 定于游標(biāo)1
    DECLARE cursor_user2 CURSOR FOR(SELECT `name` FROM `user`); -- 定義游標(biāo)2
    DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1; -- 結(jié)束標(biāo)識
    OPEN cursor_user1; -- 開啟游標(biāo)1
    loop_1: LOOP -- 外層循環(huán)
    -- -------------------------------------------------------------------------------------
			# 嘗試從游標(biāo)1指向的數(shù)據(jù)集合獲取數(shù)據(jù)，如果集合已經(jīng)遍歷完畢，done的值被設(shè)置為1。
			FETCH cursor_user1 INTO user1;
			IF done = 1 THEN LEAVE loop_1; END IF; -- 外層循環(huán)結(jié)束條件
			OPEN cursor_user2; -- 開啟游標(biāo)2
			loop_2: LOOP -- 內(nèi)層循環(huán)
			-- -----------------------------------------------------------------------------
					# 嘗試從游標(biāo)2指向的數(shù)據(jù)集合獲取數(shù)據(jù)，如果集合已經(jīng)遍歷完畢，done的值被設(shè)置為1。
					FETCH cursor_user2 INTO user2;
					IF done = 1 THEN LEAVE loop_2; END IF; -- 內(nèi)層循環(huán)結(jié)束條件
					# do something...
					SET result = CONCAT(result,';',user1,'-',user2);
		    -- -----------------------------------------------------------------------------
			END LOOP loop_2;
			CLOSE cursor_user2; -- 關(guān)閉游標(biāo)2
			SET done = 0; -- important
    -- ------------------------------------------------------------------------------------
    END LOOP loop_1;
    CLOSE cursor_user1; -- 關(guān)閉游標(biāo)1
	SELECT result; 
END