oracle proc

CREATE OR REPLACE PROCEDURE user_learn_stat_p(v_in_user_id IN number) AS
--参数IN表示输入参数，
--OUT表示输入参数，类型可以使用任意Oracle中的合法类型。
--定义变量
v_classroom_id number(10); --课程id
v_user_id number(10); --课程id
vs_msg varchar2(4000); --错误信息变量
dept_no_array_c dbms_sql.Number_Table; --数组完成
ilm_classroom_id dbms_sql.Number_Table; --综合学习课程id
dept_no_array_t dbms_sql.Number_Table; --数组总计
dept_no_array_classroom dbms_sql.Number_Table; --数组classroomid
dept_no_array_classroom_name dbms_sql.Varchar2_Table; --数组classroom名称

v_classroom_count number(10);

v_i number(10);

v_j number(10);
v_k number(10);
v_kk number(10);

v_ret number(10);

--定义游标(简单的说就是一个可以遍历的结果集)

CURSOR cur_1 IS

select C.id,

C.name,

C.type,

EV.start_date,

C.rco_id,

NVL(R.title, '') as rco_title,

'Y' as is_enrolled,

C.location,

C.is_sample,

C.is_browsable,

'Y' as is_published,

DECODE(C.cal_ev_featured, null, 'N', 'Y') as is_featured,

cg.name as content_group_name,

E.cert_period_start_date,

E.cert_period_end_date,

E.initial_certification_days,

E.renewal_certification_days

from classroom C,

cal_events EV,

rco R,

enrollment E,

privilege_ref P,

content_group cg

where P.user_id = v_in_user_id

and P.target_id = E.classroom_id

and E.user_id = v_in_user_id

and E.classroom_id = C.id

and E.is_deleted = 'N'

and C.cal_event_id = EV.id

and C.is_published = 'Y'

and C.is_hidden = 'N'

and (EV.end_date > sysdate OR EV.end_date IS NULL OR

EV.repeat_until > sysdate)

and C.content_group_id = cg.id

and C.rco_id = R.id(+)
and C.id not in(
SELECT /* IlmEnrolledView */
--c.name as cname,
c.id as cid
FROM GROUP_ENROLLMENT GE,
CLASSROOM_GROUP CG,
classroom_group_xref x,
classroom c
WHERE GE.CLASSROOM_GROUP_ID = CG.ID
and x.class_id = c.id
and cg.id = x.group_id
AND CG.IS_PUBLISHED = 'Y'
AND GE.USER_ID = v_in_user_id
AND GE.IS_DELETED = 'N'
AND GE.SITE_ID = CG.SITE_ID
AND CG.TYPE = 'I'
);

CURSOR cur_2 IS
SELECT /* IlmEnrolledView */
c.name as cname, c.id as cid
FROM GROUP_ENROLLMENT GE,
CLASSROOM_GROUP CG,
classroom_group_xref x,
classroom c
WHERE GE.CLASSROOM_GROUP_ID = CG.ID
and x.class_id = c.id
and cg.id = x.group_id
AND CG.IS_PUBLISHED = 'Y'
AND GE.USER_ID = v_in_user_id
AND GE.IS_DELETED = 'N'
AND GE.SITE_ID = CG.SITE_ID
AND CG.TYPE = 'I';

BEGIN

select count(*)

into v_classroom_count

from classroom C,

cal_events EV,

rco R,

enrollment E,

privilege_ref P,

content_group cg

where P.user_id = v_in_user_id

and P.target_id = E.classroom_id

and E.user_id = v_in_user_id

and E.classroom_id = C.id

and E.is_deleted = 'N'

and C.cal_event_id = EV.id

and C.is_published = 'Y'

and C.is_hidden = 'N'

and (EV.end_date > sysdate OR EV.end_date IS NULL OR

EV.repeat_until > sysdate)

and C.content_group_id = cg.id

and C.rco_id = R.id(+)
and C.id not in(
SELECT /* IlmEnrolledView */
--c.name as cname,
c.id as cid
FROM GROUP_ENROLLMENT GE,
CLASSROOM_GROUP CG,
classroom_group_xref x,
classroom c
WHERE GE.CLASSROOM_GROUP_ID = CG.ID
and x.class_id = c.id
and cg.id = x.group_id
AND CG.IS_PUBLISHED = 'Y'
AND GE.USER_ID = v_in_user_id
AND GE.IS_DELETED = 'N'
AND GE.SITE_ID = CG.SITE_ID
AND CG.TYPE = 'I'
);

--用输入参数给变量赋初值，用到了Oralce的SUBSTR TO_CHAR ADD_MONTHS TO_DATE 等很常用的函数。

v_user_id := v_in_user_id;

--然后用内置的DBMS_OUTPUT对象的put_line方法打印出影响的记录行数，其中用到一个系统变量SQL%rowcount

--DBMS_OUTPUT.put_line('del上月记录='||SQL%rowcount||'条');

--遍历游标处理后更新到表。遍历游标有几种方法，用for语句是其中比较直观的一种。


v_k := 0;

FOR rec2 IN cur_2 LOOP
v_k := v_k + 1;
ilm_classroom_id(v_k) := rec2.cid;
dbms_output.put_line('综合学习'||ilm_classroom_id(v_k));
END LOOP;

v_i := 0;

FOR rec IN cur_1 LOOP

v_i := v_i + 1;

v_classroom_id := rec.id;

dept_no_array_classroom(v_i) := rec.id;

select mm.name
into dept_no_array_classroom_name(v_i)
from classroom mm

where mm.id = v_classroom_id;

SELECT /* UserStatusView */

completed, total

into dept_no_array_c(v_i), dept_no_array_t(v_i)

FROM (SELECT SUM(DECODE(nvl(P.STATUS, 'N'), 'N', 1, 0)) AS NOT_ATTEMPTED,

SUM(DECODE(P.STATUS, 'C', 1, 0)) AS COMPLETED,

SUM(DECODE(P.STATUS, 'P', 1, 0)) AS PASSED,

SUM(DECODE(P.STATUS, 'I', 1, 0)) AS INCOMPLETE,

SUM(DECODE(P.STATUS, 'F', 1, 0)) AS FAILED,

COUNT(P.child_id) AS TOTAL

FROM (select x.child_id, P.status

from tree_xref x,

performance p,

rco,

classroom c,

enrollment E

where c.id = v_classroom_id

and x.parent_id = c.rco_id

and x.child_id = rco.id

and p.rco_id(+) = rco.source_rco_id

and p.user_id(+) = v_user_id

and rco.is_published = 'Y'

and E.user_id(+) = v_user_id

and E.classroom_id(+) = C.id

and E.cert_period_start_date is null

UNION

select x.child_id, P.status

from tree_xref x,

certification_performance p,

rco,

classroom c,

enrollment E

where c.id = v_classroom_id

and x.parent_id = c.rco_id

and x.child_id = rco.id

and p.rco_id(+) = rco.source_rco_id

and p.user_id(+) = v_in_user_id

and p.classroom_id(+) = v_classroom_id

and p.end_date(+) is null

and rco.is_published = 'Y'

and E.user_id = v_user_id

and E.classroom_id = C.id

and E.cert_period_start_date is not null) P);

END LOOP;

dbms_output.put_line('课程总计');

dbms_output.put_line(v_classroom_count);

v_ret := 0;

FOR v_j in 1 .. v_classroom_count loop

if dept_no_array_t(v_j) = 0 or dept_no_array_c(v_j) = 0 or
dept_no_array_c(v_j) / dept_no_array_t(v_j) < 1 then
v_ret := v_ret + 1;
end if;

dbms_output.put_line('!!!');

dbms_output.put_line(v_j);

dbms_output.put_line(dept_no_array_classroom(v_j));

dbms_output.put_line(dept_no_array_classroom_name(v_j));

dbms_output.put_line('完成');

dbms_output.put_line(dept_no_array_c(v_j));

dbms_output.put_line('总计');

dbms_output.put_line(dept_no_array_t(v_j));

dbms_output.put_line('百分比');

dbms_output.put_line(dept_no_array_c(v_j) / dept_no_array_t(v_j));

dbms_output.put_line('&&&');
end loop;
dbms_output.put_line('未完成课程');

dbms_output.put_line(v_ret);

--错误处理部分。OTHERS表示除了声明外的任意错误。SQLERRM是系统内置变量保存了当前错误的详细信息。

EXCEPTION

WHEN OTHERS THEN

vs_msg := 'ERROR IN user_learn_stat_p():' || SUBSTR(SQLERRM, 1, 500);

ROLLBACK;

--把当前错误记录进日志表。

INSERT INTO LOG_INFO

(proc_name, error_info, op_date)

VALUES

('user_learn_stat_p', vs_msg, SYSDATE);

COMMIT;

RETURN;

END;