一个存储过程，关于blob
好坏给点意见，谢了
代码:--------------------------------------------------------------------------------
create or replace procedure ps_cmpimage(
p_srtid in cmpimage.cimg_srtid%type,
p_id in cmpimage.cimg_id%type,
p_filename in varchar2,
p_title in cmpimage.cimg_title%type,
p_flag in number,
p_rowid in rowid)
is
image BLOB;
sourcefile BFILE;
cursor cur_cmpimage is
select a.cimg_count,a.cimg_idate from cmpimage a
where a.rowid=p_rowid;
rowimage cur_cmpimage%rowtype;
BEGIN
if p_flag=0 then
INSERT INTO cmpimage (cimg_srtid,cimg_id,cimg_image,cimg_title)
VALUES (p_srtid,p_id,EMPTY_BLOB,p_title)
RETURNING cimg_image INTO image;
sourcefile := BFILENAME('PHOTO_DIR',p_filename);
DBMS_LOB.OPEN(sourcefile, DBMS_LOB.LOB_READONLY);
DBMS_LOB.LOADFROMFILE(image,sourcefile,DBMS_LOB.GETLENGTH(sourcefile));
else
if p_filename is null then
update cmpimage a
set a.cimg_srtid=p_srtid,a.cimg_id=p_id,a.cimg_title=p_title
where a.rowid=p_rowid;
else
update cmpimage a
set a.cimg_srtid=p_srtid,a.cimg_id=p_id,a.cimg_title=p_title
where a.rowid=p_rowid;
select a.cimg_image into image from cmpimage a
where a.rowid=p_rowid
for update;
sourcefile := BFILENAME('PHOTO_DIR',p_filename);
DBMS_LOB.OPEN(sourcefile, DBMS_LOB.LOB_READONLY);
DBMS_LOB.LOADFROMFILE(image,sourcefile,DBMS_LOB.GETLENGTH(sourcefile));
end if;
end if;
commit;
end ps_cmpimage;--------------------------------------------------------------------------------
相关：
-- Create Directory
create or replace directory PHOTO_DIR
as 'C:\WINNT\TEMP\';
--grant
grant create any directory to 用户