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Reading Blob by crystal report
Hi experts,
I'm upgrading JDE from Xe to 8.12 and found that the spec of F00165 has been changed. Text attachment was stored as long string in rtf format but now has become blob. I'm using crystal report to get the text attachment but now it doesn't work. Can anyone enlighten me how to do it with blob?
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by: schwertnerPosted on 2008-10-27 at 02:30:07ID: 22810868
Read this:
http://www.jdelist.com/ubb
The view looks like this:
--------------------------
connect PRODDTA/XXXXXX@XXXXXX;
CREATE OR REPLACE VIEW f00165_view(
NameObject_GDOBNM ,
GenericTextKey_GDTXKY ,
SeqNo_GDMOSEQN ,
MediaObjType_GDGTMOTYPE ,
LanguagePreference_GDLNGP ,
UpdatedByUser_GDUSER ,
DateUpdated_GDUPMJ ,
TimeOfDay_GDTDAY ,
ObjectTypeName_GDGTITNM ,
QueueName_GDQUNAM ,
FileName_GDGTFILENM ,
MediaObjectVariableLeng_GD
AS SELECT
GDOBNM,
GDTXKY,
GDMOSEQN,
GDGTMOTYPE,
GDLNGP,
GDUSER,
JDE2Date(GDUPMJ),
GDTDAY,
GDGTITNM,
GDQUNAM,
GDGTFILENM,
JDETextFix(ROWID)
FROM F00165
WHERE GDGTMOTYPE = 0
WITH READ ONLY;
--------------------------
Note that there are 2 Oracle Function Calls in this select.
The first one, JDE2DATE, just converts the JDE Julian Date to a standard date.
The second, JDETextFix(ROWID), does data type conversion on the BLOB data field. Here's the function I wrote to do this:
--------------------------
CREATE OR REPLACE FUNCTION "PRODDTA"."JDETEXTFIX" (p_rowid in
ROWID) RETURN VARCHAR2
IS
v_textout VARCHAR2(4000);
v_lob BLOB;
v_buffer RAW(8192);
v_offset INTEGER := 1;
v_textlen BINARY_INTEGER := 8192;
v_rawlen NUMBER;
v_from_set RAW(2);
v_to_set RAW(1);
v_output RAW(8192);
BEGIN
SELECT gdtxft INTO v_lob
FROM F00165 where ROWID = p_rowid;
DBMS_LOB.READ (v_lob, v_textlen, v_offset,v_buffer);
v_textout := ' ';
v_from_set := HEXTORAW('7D00');
v_to_set := HEXTORAW('7D');
v_output := UTL_RAW.TRANSLATE (v_buffer, v_from_set, v_to_set);
v_rawlen := UTL_RAW.LENGTH (v_output);
if (v_rawlen > 4000) then
v_rawlen := 4000;
end if;
if (v_rawlen > 0) then
v_textout := UTL_RAW.CAST_TO_VARCHAR2 (UTL_RAW.SUBSTR(v_output,1
end if;
RETURN (v_textout);
EXCEPTION WHEN NO_DATA_FOUND THEN
RETURN (v_textout);
END;